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Juniper CBL-M40-PWR-AU power cable

1. os 1052 Remove the Air Filter The air filter is located below the craft interface at the front of the chassis see Figure 1 The air filter weighs less than 0 5 Ib 0 2 kg but you must remove it in order to remove the lower impeller assembly To remove the air filter follow this procedure see Figure 54 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Grasp the sides of the air filter and firmly pull it out from the chassis Install the Router and Configure Software Install the Router without Using a Mechanical Lift Figure 34 Remove the Air Filter Craft interface display 1039 Remove the Lower Impeller Assembly The lower impeller assembly is located just above the air intake on the front of the chassis behind the craft interface see Figure 1 The assembly weighs approximately 9 Ib 4 kg To remove the lower impeller assembly follow this procedure see Figure 55 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Unscrew the three screws at the bottom edge of the assembly using a Phillips screwdriver if necessary 3 Grasp the sides of the assembly and slide it about halfway out of the chassis 4 Move one of your hands underneath the assembly to support it and slide it complet
2. 1019 Mounting screws Install the Routing Engine Housing To return the Routing Engine housing to the chassis follow this procedure see Figure 82 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Place one hand underneath the unit to support it and grasp a handle on the front of the unit with the other hand Maintain and Replace Routing Engine Components Replace the Routing Engine 5 Align the rear of the unit with the slide guides in the chassis 4 Slide the unit completely into the chassis 5 Using a Phillips screwdriver tighten the screws along the left and right edges of the Routing Engine housing six in all Figure 82 Install the Routing Engine Housing dmm 1055 Replace the Routing Engine The Routing Engine is hot pluggable as described in Field Replaceable Units FRUS on page 4 When it fails or is removed from the chassis forwarding halts until it is replaced and functioning again To replace the Routing Engine perform the following procedures W Remove the Routing Engine on page 177 W Install the Routing Engine on page 178 The appearance and position of electronic components or the PC card slot on your Routing Engine might differ from the figures in this section These differences do not affect Routing Engine installation and removal or functionality Note Q M4
3. LS 120 drive ESD point Power supply A Power supply B 1001 Packet Forwarding Engine The Packet Forwarding Engine is a multicomponent system that uses application specific integrated circuits ASICs to perform Layer 2 and Layer 3 packet switching route lookups and packet forwarding The ASICs include the Distributed Buffer Manager ASIC I O Manager ASIC Internet Processor or Internet Processor II ASIC and various media specific controllers The Packet Forwarding Engine has the following components W Backplane Forms the rear of the FPC card cage distributes power from the power supplies and transfers packets and signals between router components which plug into it W Physical Interface Cards PICs Physically connect the router to network media such as OC 12 ATM OC 12 and OC 48 SONET SDH Channelized OC 12 and Gigabit Ethernet PICs are housed in FPCs W Flexible PIC Concentrators FPCs Process incoming and outgoing packets From one to eight FPCs can plug into the backplane from the front of the chassis Each FPC accommodates up to four Physical Interface Cards PICs W System Control Board SCB Performs route lookup filtering and switching The SCB installs into the backplane from the front of the chassis Hardware Component Overview Q Packet Forwarding Engine Backplane The backplane is a panel that forms the back of the FPC card cage see Figure 3 The S
4. 165 E EE 18 maintenance oe cc eee eee 162 offline DUttOr ege certet edu e etn 18 removal Checklist ie deter 105 removal instructions during initial Installatton 105 for maintenance or replacement 165 Index Index serial Uppert EEN eeu eben ee 217 status checking in eps erede 162 tools required C D ue ee 161 troubleshooting 4n i erred erit 201 KE iiic o WR UC ERE EPA e etg lee ess 99 front mount rack See rack FRUs See field replaceable units grounding electrical specftcatonms 45 guidelines See specifications hardware components BACK PIANC mesian ageet tee dt geed cals 10 fan in power supply seisear irii a aTi 25 fat tA esee es doe M LI Lose 25 PRC ee eege 12 impeller assemblies 23 packing for shipment 221 PIG ok es la eM ee 11 reinstallation of all during initial installation 111 removal of all during initial installation 100 return for repair or replacement ss 215 Routing Englne cciam 15 GER M 15 WESH oneri Hl bets do e Ee ees 99 higher order mode loss OO 50 hot pluggable components See field replaceable units hot removable and hot insertable components See field replaceable units humidity relative acceptable sss 45 I O Manager ASIC ORR ERC tosses eeometeet tutes ea NTC lette ttai eges 12 rolein TORWALCING oerte niet eee 55 impeller assembly See lower impeller assembly
5. ssssssss 49 SrOUNGING s ey t eder ee 45 environmental aeaea Ee 45 IKE Safety ec tero sete er e tti ce RES 45 power SEET dte eo tee edd ee etus 44 rack connection to building structure mounting hole spacing eee Size and sttengltli iet te reg there 40 wires to external alarm reporting devices 55 staridards cormpliatiCe ss odii cem oae pet mors to tede 84 support obtaining ee eee eee eenteeeeeeees 194 Surge ele EE 49 system lgl EE 31 GESCPIPUION S ieioea ce as IP e NT AEN 5 System Control Board See SCB o M40 Internet Router Hardware Guide T1 PIC pinouts for RJ 48 cable eee tables routing and forwarding technical support obtaining ssssssssssse telco rack See rack temperature acceptable range ssssssssese 45 DEER cc reet tete et et Rp onesies cum 45 tools required Cable maintenance cs este sede etd tane 181 cooling system malntenance 155 Packet Forwarding Engine maintenance 161 power system maintenance i e 155 router installatiori i i etes en epe ets 97 UNPACKIN uoi AT reet d dete es 89 Routing Engine maimtenamce 175 traceroute Commande 191 traffic engineering protocols 26 transmission distances fiber optic cable 50 troubleshooting CUISCOMIMANGS enee ster pti e geri errans 191 cooling system EEGEN LEDs craft interlace e aee dete etre 192 hardware components i 192 overview Of LOOIS at 1 net eed tete donde 191 PIC
6. TX TX RX RX 0 2 27 1 26 1 4 29 5 28 2 6 51 5 50 5 8 55 7 52 4 10 35 9 34 5 12 37 11 36 6 14 39 13 38 7 16 41 15 40 8 18 45 17 42 Cable Connectors and Pinouts Cable Connectors and Pinouts 212 M40 Internet Router Hardware Guide Ethernet Port Numbers 9 RJ 21 Pin Assignment 20 45 19 44 10 22 47 21 46 11 24 49 23 48 Fiber Optic Connector Cleaning For proper performance of PICs that use SC fiber optic cable you must clean the fiber optic transceivers before inserting SC cable Because of the high sensitivity of fiber optic PIC receivers you must keep the PIC connectors clean and free of dust Small micro deposits of oil and dust in the canal of the SC connector could cause loss of light reducing signal power and possibly causing intermittent problems with the optical connection Figure 93 shows the oil and dust that collects in the SC connector canals Figure 93 Microdeposits in the SC Connector Canal Keep the connectors clean using an appropriate fiber cleaning device such as RIFOCS Fiber Optic Adaptor Cleaning Wands part number 946 Follow the directions for the cleaning kit you use Figure 94 shows the proper cleaning procedure Figure 94 Clean the Connectors After you have cleaned the optical transceiver area of the fiber optic PIC make sure that the SC connector tip of the fiber optic cable is clean Fiber Optic Connector Cleaning 215 Fiber Opti
7. JUNOScript API Documentation JUNOScript API Guide Describes how to use the JUNOScript API to monitor and configure Juniper Networks routers JUNOScript API Reference Provides a reference page for each tag in the JUNOScript API JUNOS Internet Software Comprehensive Index Comprehensive Index Provides a complete index of all JUNOS Internet software books and the JUNOScript API Guide Hardware Documentation Hardware Guide Describes how to install maintain and troubleshoot routers and router components Each platform has its own hardware guide PIC Guide Describes the router Physical Interface Cards PICs Each router platform has its own PIC guide Release Notes JUNOS Internet Software Release Notes Provide a summary of new features for a particular software release Software release notes also contain corrections and updates to published JUNOS and JUNOScript manuals provide information that might have been omitted from the manuals and describe upgrade and downgrade procedures Hardware Release Notes Describe the available documentation for the router platform and summarize known problems with the hardware and accompanying software Each platform has its own release notes JUNOScope Software JUNOScope Software Guide Describes the JUNOScope software graphical user interface GUI how to install and administer the software and how to use the software to manag
8. Policy FrameworR Provides an overview of policy concepts and describes how to configure routing policy firewall filters and forwarding options M40 Internet Router Hardware Guide Book Routing and Routing Protocols List of Technical Publications Description Provides an overview of routing concepts and describes how to configure routing routing instances and unicast routing protocols Services Interfaces Provides an overview of the services interfaces functions of the JUNOS software and describes how to configure the services interfaces on the router VPNs Provides an overview of Layer 2 and Layer 3 Virtual Private Networks VPNs describes how to configure VPNs and provides configuration examples JUNOS Internet Software References Operational Mode Command Reference Interfaces Describes the JUNOS Internet software operational mode commands you use to monitor and troubleshoot network and services interfaces on Juniper Networks M series and T series routers Operational Mode Command Reference Protocols Class of Service Chassis and Management Describes the JUNOS Internet software operational mode commands you use to monitor and troubleshoot most aspects of Juniper Networks M series and T series routers System Log Messages Reference Describes how to access and interpret system log messages generated by JUNOS software modules and provides a reference page for each message
9. Set 1054 Reinstall the Routing Engine Housing The Routing Engine resides in a metal housing in the rear of the chassis below the fan tray see Figure 2 To reinstall the Routing Engine housing follow this procedure see Figure 45 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Place one hand underneath the unit to support it and grasp a handle on the front of the unit with the other hand 5 Align the rear of the unit with the slide guides in the chassis 4 Slide the unit completely into the chassis 5 Using a Phillips screwdriver tighten the screws along the left and right edges of the Routing Engine housing six in all Install the Router and Configure Software Install the Router without Using a Mechanical Lift Figure 45 Reinstall the Routing Engine Housing 1055 Reinstall the Power Supplies The router has two power supplies either AC or DC located at the bottom rear of the chassis see Figure 2 To reinstall the power supplies follow this procedure see Figure 46 which shows an AC power supply 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Verify that the power switch on the faceplate of both power supplies is in the OFF 0 position 3 Grasp the handle on the power supply faceplate with one hand and p
10. Disconnect DC Power from the Router 147 Connect DC Power tothe Routers orani a deti opes tots 149 Maintain and Replace Cooling System Components 155 Tools and Parts Required WEE 155 Maintain and Replace the Air Filter 54 Remove the Ait Pier ii trate Renee titi el ce ede de ERISRER RR ies 54 Install the AI Eilte stets tbt Ets db LP bue dod ee 155 Maintain and Replace the Fan Tra 55 Remove the Fan aeren NE lette petrol qe ie qt td ode eit dle 56 nstall the Fan8sTrayz ssi egene ete ter e de LR a 56 Maintain the Impeller Assemblies iach 5 ertet be bt toas 57 Replace the Lower Impeller Assembly sssssssss 158 Remove the Lower Impeller Assembly ssssss HH 158 Install the Lower Impeller ASSEMDIy sss 59 Replace the Upper Impeller Assembly ssssss He 59 Remove the Upper Impeller Assembly ssssssssmR 159 Install the Upper Impeller Assembly sss 160 Maintain and Replace Packet Forwarding Engine Componente ooo 161 Tools and Parts Required cede ete Rb eve RE NES 161 Maintain EPCS aridiPIGS iude tot ie dee eed ettet etes 162 Replace an FPC or Quad wide PIC 165 Remove amt FPC og Quad Wide PIG utet beet 165 Install an FPC or Quad wide bic 165 Replace Elte e t tele Ce ont bone nee etl d e cec On eae tes veut REMOVE aPC aa senec ene eneen ee geess OR Rig Pes Uns Install a PIG 2 tecla te eet let d lu Maintain theiSGB une aee trece beet ss Replace th
11. Jos telinett varten on vakaimet asenna ne ennen laitteen asettamista telineeseen tai sen huoltamista siin Regulatory Compliance and Safety Information Safety Guidelines and Warnings Warning Attention Pour viter toute blessure corporelle pendant les op rations de montage ou de r paration de cette unit en casier il convient de prendre des pr cautions sp ciales afin de maintenir la stabilit du syst me Les directives ci dessous sont destin es assurer la protection du personnel Le rack sur lequel est mont le Juniper Networks router doit tre fix la structure du b timent Si cette unit constitue la seule unit mont e en casier elle doit tre plac e dans le bas Si cette unit est mont e dans un casier partiellement rempli charger le casier de bas en haut en placant l l ment le plus lourd dans le bas Si le casier est quip de dispositifs stabilisateurs installer les stabilisateurs avant de monter ou de r parer l unit en casier Warnung Zur Vermeidung von K rperverletzung beim Anbringen oder Warten dieser Einheit in einem Gestell m ssen Sie besondere Vorkehrungen treffen um sicherzustellen da das System stabil bleibt Die folgenden Richtlinien sollen zur Gew hrleistung Ihrer Sicherheit dienen Der Juniper Networks router mu in einem Gestell installiert werden das in der Gebaudestruktur verankert ist Wenn diese Einheit die einzige im Gestell ist sollte sie unten im Ge
12. replacement instructions specifications descriptione Pret suey ae petiere rt qu ACK Plane s xo ote ee Pte REC E 10 brackets MOUNTING ate a core oeren 94 Index Index cable auxiliary or console port on craft interface connecting during initial installation 120 replacing for maintenance tools required 1 e ede DC power and grounding connecting during initial installation 125 connecting for maintenance s 149 disconnecting yis aimam aia 147 tools r quired cte frs tps 181 Ethernet port on craft interface connecting during initial installation 120 replacing for maintenance 186 tools required 181 fiber optic attenuatlor coy eec e 50 cleaning instructions for transceivers 215 dispersioon tas e ees ree ERR Imaintenance s osse ret enden eee multimode and single mode transmission distance maximum wavelength rage grounding See DC power and grounding cables management system descriptions smettere tes 24 installation instructions s 115 removal instructions 0 cece eeeeeeees 104 use in cable maintenance ssssss 182 USC NM 99 PIC connecting during initial installation 121 connecting during maintenance 184 disconngecHimnB cd A ec ere oe Sg Se reed 185 maintenance stes ea a dn repite 182 tools required sien 181 carton See shipping crat
13. See SPF Dual inline memory module 168 pin memory module that supports 64 bit data transfer See interface routes Data link connection identifier Identifier for a Frame Relay virtual connection also called a logical interface Denial of service System security breach in which network services become unavailable to users Dynamic random access memory Storage source on the router that can be accessed quickly by a process Drop probabilities for different levels of buffer fullness that are used by RED to determine from which queue to drop packets Glossary Glossary DSU DTE DVMRP DWDM Dynamic Host Configuration Protocol ECSA EGP EIA EMI explicit path export FEAC Flexible PIC Concentrator forwarding information base forwarding table FPC FRU Data service unit A device used to connect a DTE to a digital phone line Converts digital data from a router to voltages and encoding required by the phone line See also CSU DSU Data Terminal Equipment RS 232 C interface that a computer uses to exchange information with a serial device Distance Vector Multicast Routing Protocol Distributed multicast routing protocol that dynamically generates IP multicast delivery trees using a technique called reverse path multicasting RPM to forward multicast traffic to downstream interfaces Dense wavelength division multiplexing Technology that enables data from different sources to be carrie
14. Disconnect DC Power from the Router on page 147 If after powering on the power supply you must power it off wait at least 60 seconds After powering off a power supply wait 60 seconds before turning it back on Disconnect and Connect DC Power On a DC powered router the power cables from the external DC power sources connect to terminal studs on each power supply To disconnect or connect power to the router perform the following procedures W Disconnect DC Power from the Router on page 147 E Connect DC Power to the Router on page 149 Disconnect DC Power from the Router To disconnect DC power from the router follow this procedure 1 Onthe console or other management device connected to the Routing Engine enter CLI operational mode and issue the following command to shut down the router software For more information see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management user host gt request system halt Wait to continue until a message appears on the console confirming that the operating system has halted 2 Turn off the power flowing from each DC power source to a power supply Ensure that the voltage across the leads of the DC power cables is O V and that there is no chance that they might become active during removal Maintain and Replace the Power Supplies Disconnect and Connect DC Power 3 Flip the power switch on both power supplies
15. RTN a RTN moeu ent o para moer Anote que o fio terra deve sempre ser conectado primeiramente e desconectado por ltimo Anote que o fio terra deve sempre ser conectado primeiramente e desconectado por ltimo Varning Korrekt kopplingssekvens ar jord till jord RTN till RTN 48 V till 48 V Korrekt kopplas kopplingssekvens ar 48 V till 48 V RTN till RTN jord till jord M40 Internet Router Hardware Guide Safety Guidelines and Warnings DC Power Wiring Terminations Warning When stranded wiring is required use approved wiring terminations such as closed loop or spade type with upturned lugs These terminations should be the appropriate size for the wires and should clamp both the insulation and conductor TZ Waarschuwing Wanneer geslagen bedrading vereist is dient u bedrading te gebruiken die voorzien is van goedgekeurde aansluitingspunten zoals het gesloten lus type of het grijperschop type waarbij de aansluitpunten omhoog wijzen Deze aansluitpunten dienen de juiste maat voor de draden te hebben en dienen zowel de isolatie als de geleider vast te klemmen Varoitus Jos s ikeellinen johdin on tarpeen k yt hyv ksytty johdinliitantaa esimerkiksi suljettua silmukkaa tai kourumaista liit nt jossa on yl sp in k nnetyt kiinnityskorvat T llaisten liit nt jen tulee olla kooltaan johtimiin sopivia ja niiden tulee puristaa yhteen sek eristeen ett johdinosan Attention Quand des fils t
16. OC 48 single mode Pg Pr Pr Pg 5 dBm 18 dBm Pg 13 dB Power Margin Calculation After calculating a link s power budget using the equation described in Power Budget Calculation on page 51 you can calculate the power margin Py which estimates the amount of power available after subtracting attenuation or link loss LL from the power budget Pg A worst case estimate of Py assumes maximum LL Py Pg LL A Py greater than zero indicates that the power budget is sufficient to operate the receiver Prepare the Site Q Fiber Optic and Network Cable Guidelines Table 16 lists the estimated amount of loss for factors that cause link loss Table 16 Estimating Link Loss Link Loss Factor Higher order mode losses Estimated Link Loss Value Single mode None Multimode 0 5 dB Modal and chromatic Single mode None dispersion Multimode None if product of bandwidth and distance is less than 500 MHz km Connector 0 5 dB Splice 0 5 dB Fiber attenuation Single mode 0 5 dB km Multimode 1 dB km In the following sample calculation for a 2 km long multimode link with a power budget Pp of 15 dB the link loss LL is the sum of the following factors W Fiber attenuation for 2 km 1 0 dB km 2 dB W Loss for five connectors 0 5 dB per connector 5 0 5 dB 2 5 dB W Loss for two splices 0 5 dB per splice 2 0 5 dB 1 dB W Higher order loss 0 5 dB W Clock recove
17. M40 Internet Router Hardware Guide W Remove an AC Power Supply on page 137 W install an AC Power Supply on page 158 Replace an AC Power Supply Remove an AC Power Supply The AC power supplies are located at the bottom rear of the chassis see Figure 2 Each AC power supply weighs approximately 20 Ib 9 kg Do not leave a power supply slot empty for more than a short time while the router is operational The power supply must remain in the chassis for proper airflow Caution To remove an AC power supply follow this procedure see Figure 53 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Press the power switch on the power supply faceplate to the OFF O position If you are not removing the power supply but simply powering it off wait at least 60 seconds before turning it back on If you need to power it off again wait for at least 60 seconds after powering it on 3 Unplug the power cord from the appliance inlet on the faceplate 4 Loosen the thumbscrew at each upper corner of the power supply faceplate using a Phillips screwdriver if necessary 5 Lift and hold up the safety interlock lever which is directly below the appliance inlet 6 While holding the safety interlock lever up turn the extractor inserter counterclockwise until the power supply disengages from the backplane 7 Grasp the handle on the power supply faceplate and pull fir
18. Ne la remplacer que par une pile de type semblable ou quivalent recommand e par le fabricant Jeter les piles usag es conform ment aux instructions du fabricant Warnung Bei Einsetzen einer falschen Batterie besteht Explosionsgefahr Ersetzen Sie die Batterie nur durch den gleichen oder vom Hersteller empfohlenen Batterietyp Entsorgen Sie die benutzten Batterien nach den Anweisungen des Herstellers Avvertenza Pericolo di esplosione se la batteria non installata correttamente Sostituire solo con una di tipo uguale o equivalente consigliata dal produttore Eliminare le batterie usate secondo le istruzioni del produttore Advarsel Det kan v re fare for eksplosjon hvis batteriet skiftes p feil m te Skift kun med samme eller tilsvarende type som er anbefalt av produsenten Kasser brukte batterier i henhold til produsentens instruksjoner Aviso Existe perigo de explos o se a bateria for substitu da incorrectamente Substitua a bateria por uma bateria igual ou de um tipo equivalente recomendado pelo fabricante Destrua as baterias usadas conforme as instru es do fabricante Advertencia Existe peligro de explosi n si la bater a se reemplaza de manera incorrecta Reemplazar la bater a exclusivamente con el mismo tipo o el equivalente recomendado por el fabricante Desechar las bater as gastadas seg n las instrucciones del fabricante Varning Explosionsfara vid felaktigt batteribyte Ers tt endast batteriet med samma batte
19. The Routing Engine kernel provides the underlying infrastructure for all JUNOS software processes It also provides the link between the routing tables maintained by the routing protocol process and the forwarding table maintained by the Routing Engine Additionally it coordinates communication with the Packet Forwarding Engine which primarily involves synchronizing the Packet Forwarding Engine s forwarding table with the master forwarding table maintained by the Routing Engine JUNOS Internet Software Overview o Tools for Accessing and Configuring the Software Tools for Accessing and Configuring the Software The JUNOS CLI is the primary tool for accessing and controlling the JUNOS Internet software You use it when accessing the router from the console or through a remote network connection For information about connecting a console or other management device to the router see Routing Engine LEDs and Interface Ports on page 19 The CLI includes commands for configuring router hardware the JUNOS Internet software and network connectivity The JUNOS CLI is a straightforward command interface You type commands on a single line and enter the commands by pressing the Enter key The CLI provides command help and command completion as well as Emacs style keyboard sequences for moving around on a command line and scrolling through a buffer that contains recently executed commands For more information about the CLI see the JUNOS Intern
20. Varoitus Koska portin aukosta voi emittoitua n kym t nt s teily kun kuitukaapelia ei ole kytkettyn v lt s teilylle altistumista l k katso avoimiin aukkoihin Attention Des radiations invisibles l il nu pouvant traverser l ouverture du port lorsqu aucun c ble en fibre optique n y est connect il est recommand de ne pas regarder fixement l int rieur de ces ouvertures Warnung Aus der Port ffnung k nnen unsichtbare Strahlen emittieren wenn kein Glasfaserkabel angeschlossen ist Vermeiden Sie es sich den Strahlungen auszusetzen und starren Sie nicht in die ffnungen Avvertenza Quando i cavi in fibra non sono inseriti radiazioni invisibili possono essere emesse attraverso l apertura della porta Evitate di esporvi alle radiazioni e non guardate direttamente nelle aperture Advarsel Unng utsettelse for str ling og stirr ikke inn i pninger som er pne fordi usynlig str ling kan emiteres fra portens pning n r det ikke er tilkoblet en fiberkabel Aviso Dada a possibilidade de emiss o de radia o invis vel atrav s do orif cio da via de acesso quando esta n o tiver nenhum cabo de fibra conectado dever evitar a exposi o radia o e n o dever olhar fixamente para orif cios que se encontrarem a descoberto jAdvertencia Debido a que la apertura del puerto puede emitir radiaci n invisible cuando no existe un cable de fibra conectado evite mirar directamente a las aperturas para no expo
21. the opening and use a Phillips screwdriver to tighten the screws M40 Internet Router Hardware Guide Maintain the Impeller Assemblies Figure 70 Install the Fan Tray 7 1053 Maintain the Impeller Assemblies The router has two non interchangeable impeller assemblies The lower impeller is located behind the craft interface at the front the chassis see Figure 1 and the upper assembly is located above the fan tray at the rear of the chassis see Figure 2 They work together to cool the Packet Forwarding Engine components During normal operation the impellers run at less than full speed The following conditions automatically cause the impellers to run at full speed and trigger the indicated alarm W One of the impellers fails red alarm W One of the impellers is removed yellow alarm For removal instructions see the following sections m Remove the Lower Impeller Assembly on page 158 m Remove the Upper Impeller Assembly on page 159 W The router temperature exceeds the temperature warm threshold yellow alarm W The temperature of the router exceeds the maximum temperature hot threshold red alarm and automatic shutdown of the power supplies For more information about impeller related alarms see Hardware and Interface Alarm Messages on page 192 To check the status of the impeller assemblies issue the show chassis environment command The output refers to the Top and Bott
22. upper impeller assembly installation instructions AC power cord during initial installation sss 125 for maintenance or replacement 140 AC power supply during initial installation 00 0 118 for maintenance or replacement 158 air filter during initial installation sss 112 for maintenance or replacement 155 alarm relay contact wires during initial insta for maintenance o cable management sys M40 Internet Router Hardware Guide cable auxiliary or console port on craft interface during initial installation 120 for maintenance or replacement 187 cable Ethernet port on craft interface during initial installation 120 for maintenance or replacement 186 cable PIC during initial installation for maintenance or replacement DC power and grounding cables during initial installation 125 for maintenance or replacement 149 DC power supply during initial installation 118 for maintenance or replacement 144 fan tray during initial installation 116 for maintenance or replacement 156 FPC during initial installatio
23. 1 and Figure 2 W Avoid contact between the board and your clothing ESD emitted from clothing can damage components W When removing or installing a component always place it component side up on an antistatic surface in an antistatic card rack or in an electrostatic bag see Figure 21 If you are returning a component to the factory immediately store the component in an electrostatic bag Prepare to Install the Router Q Unpack the Router Figure 21 Place a Board Component into an Electrostatic Bag Unpack the Router CAUTION a SS ELECTROSTATIC iV J SENSITIVE A DEVICES DO NOT OPEN OR HANDLE EXCEPT ATA STATIC FREE WORKSTATION 1051 The router is shipped in a wooden crate and bolted to the pallet that forms the bottom of the crate The crate also contains an accessory box the handle used during manual router installation and the M40 Internet Router Installation Quick Start poster The router is maximally protected inside the shipping crate Do not unpack it until you are ready to begin installation To unpack the system follow these steps 1 M40 Internet Router Hardware Guide Move the shipping crate to a staging area as close to the installation site as possible but where you have enough room to remove the system components While the chassis is bolted to the pallet you can use a forklift to move it Position the crate so that the arrows are pointing up Open the top flaps on the cra
24. 4 per FPC SCB 1 Lower impeller assembly and craft interface 1 Backplane 1 Upper impeller assembly 1 Fan tray with 3 fans 1 Prepare to Install the Router o Rack Mounting Brackets Component Quantity Shipped Routing Engine 1 Power supply with integrated fan 2 Rack Mounting Brackets Front rack mounting ears are built into the chassis sides as shown in Figure 23 If requested a center rack mounting kit can be shipped with the router see Figure 24 You attach center rack mounting ears along the middle of either side of the chassis with the screws provided Figure 23 Chassis Showing Mounting Ears Front rack mounting ear ahha Cable managment CU system L Card cage Backplane Slide guides for FPCs P M ESD point Craft interface Air filter 1002 Center rack mounting ear A C bracket shelf can also be requested to provide additional support when a router is mounted above another router in the upper half of the rack A router mounted in the lowest position in the rack is supported by the floor or by the bottom rack rail so the C bracket shelf is not required in that case Figure 24 shows the C bracket shelf o M40 Internet Router Hardware Guide Rack Mounting Brackets Figure 24 Optional C Bracket Shelf Center Mounting Ears and Screws C bracket 1016 Mounting ears Screws Side handle
25. 55 W Prepare to Install the Router on page 89 W Install the Router and Configure Software on page 97 M40 Internet Router Hardware Guide Prepare the Site This chapter describes how to prepare your site so that you can install a router discussing the following topics W Rack Requirements on page 59 W Clearance Requirements for Airflow and Hardware Maintenance on page 42 W Site Environmental Requirements on page 45 W Fire Safety Requirements on page 45 W Power System Requirements and Specifications on page 44 W Site Electrical Wiring and Cable Guidelines on page 49 E Fiber Optic and Network Cable Guidelines on page 49 W Routing Engine Interface Cable and Wire Specifications on page 55 W Site Preparation Checklist on page 54 Rack Requirements The router must be installed in a rack Many types of racks are acceptable including front mount racks 4 post telco racks and center mount racks an example of which appears in Figure 15 The following sections describe rack requirements W Rack Size and Strength on page 40 W Spacing of Mounting Holes on page 41 W Connection to Building Structure on page 41 Prepare the Site o Rack Requirements Figure 15 Typical Center Mount Rack Mounting rails Floor bolts 1011 Rack Size and Strength The router is designed for installation in a rack that complies with either the following standards W A 19 in rack as defined in Cabinets Racks Panel
26. AC Plug TYPES Sueca cte hs eva de t epi tU Let ede Eua 46 DC Power Supply Cable Connectorg 46 DC Power Supply Terminal and Grounding Lug 0 0 0 0 eee 47 Place a Board Component into an Electrostatic Bag 92 Contents ofthe Shipping Craters TEE 95 Chassis Showing Mounting Ears e 94 Optional C Bracket Shelf Center Mounting Ears and Screws 95 Chassis Side Handles n ecce ttt tret AP a Pu Riso F s PER RT dE Remove a Power Supp Remove the Routing Engine Housing sss Remove the Upper Impeller Assembly Remove the Fan Tray eee teet onte Tego Remove the Cable Management System Cover ET Remove the Cable Management System 0 0cceeeeeeteeenteees le Vin D EE le VE Remove the Air EE Remove the Lower Impeller Assembiy Install the Chassis in a Rack Reinstall the Lower Impeller Assembly ssssss R install the Air Pulte ts tee inte sie Ser eb ash o pt de Reimstallktli ss CB corse eL ed EE Reinstall amEBERBG i uci deet Ebrei it dau Reinstall the Cable Management System sssssss Reinstall the Cable Management System Cover iecere 116 age e ENEE 116 Reinstall the Upper Impeller Assembly erre Tr Figure 45 Reinstall the Routing Engine Housing sssss 118 Figure 46 Reinstall a Power Suppiv eem 119 Figure 47 Routing Engine Interface Ports on the Craft Interface 119 Figure 48 Routing
27. AC powered routers E AC powered routers are shipped with a three wire electrical cord with a grounding type plug that fits only a grounding type power outlet Do not circumvent this safety feature Equipment grounding should comply with local and national electrical codes W You must provide an external circuit breaker rated minimum 20 A 250 VAC in the building installation W The power cord serves as the main disconnecting device The socket outlet must be near the router and be easily accessible W The cores in the mains lead are colored in accordance with the following code m Green and yellow Earth m Blue Neutral m Brown Live W When a router is equipped with two AC power supplies both power cords one for each power supply must be unplugged to completely disconnect power to the router DC Power Electrical Safety Guidelines The following electrical safety guidelines apply to DC powered routers W DC powered routers are equipped with a DC terminal block that is rated for the power requirements of a maximally configured router To supply sufficient power terminate the DC input wiring on a facility DC source capable of supplying at least 45 A 48 VDC The 48 VDC facility DC source should be equipped with a circuit breaker rated at 45 A minimum Incorporate an easily accessible disconnect device into the facility wiring Be sure to connect the ground wire or conduit to a solid office earth ground A closed loop ring is recomm
28. ESD wrist strap to your bare wrist and connect the wrist strap to one of the two ESD points on the chassis 2 Grasp the sides of the air filter and firmly pull it out from the chassis Figure 67 Remove the Air Filter Craft interface display 1039 M40 Internet Router Hardware Guide Maintain and Replace the Fan Tray Install the Air Filter To install the air filter follow this procedure see Figure 68 Attach an ESD wrist strap to your bare wrist and connect the wrist strap to one of the two ESD points on the chassis 2 Grasp the sides of the air filter and push it firmly over the air intake inserting its metal prongs into the chassis Figure 68 Install the Air Filter uS Maintain and Replace the Fan Tray 1064 The fan tray is located at the rear of the chassis beneath the upper impeller assembly see Figure 2 To check the status of the fans in the fan tray issue the show chassis environment command The output refers to the individual fans in the fan tray as the Rear Left Fan Rear Center Fan and Rear Right Fan user host gt show chassis environment Class Item Status Measurement Fans Top Impeller OK Spinning at normal speed Bottom Impeller OK Spinning at normal speed Rear Left Fan OK Spinning at normal speed Rear Center Fan OK Spinning at normal speed Rear Right Fan OK Spinning at normal speed For further description of the output from the command see
29. Engine Ethernet Cable Connector sser 120 Figure 49 Console and Auxiliary Serial Port Connector 120 Figure 50 Connect Cable toa PIE 4 uo eet eegen dree 122 Figure 51 DC Power Switch in the Off Position 124 Figure 52 Attach Cables to the DC Power Supply 125 Figure 55 Remove an AC Power Supply tette cle e dete tn 138 Figure 54 Install an AC Power Supp 139 Figure 55 Flip the Power Switch on a DC Power Supply to the OFF Position 142 Figure 56 Remove the Protective Shield from the Terminal Studs 145 Figure 57 Remove Cables from a DC Power Supply 143 Figure 58i Remove a DC ROWEr SUPPLY cosie eest led e E ee el T 144 Figure 59 Install a DC Power Suppiy ne h a iae 145 Figure 60 Remove the Protective Shield from the Terminal Studs 1145 Figure 61 Attach Cables to a DC Power Supply 146 Figure 62 Flip the Power Switch on a DC Power Supply to the OFF Position 148 Figure 65 Remove Cables from a DC Power Suppiv 148 Figure 64 Power Switch on a DC Power Supply in the OFF Position 150 Figure 65 Remove the Protective Shield from the Terminal Studs 150 Figure 66 Attach Cables to a DC Power Supply 151 Figure 67 Remove the Air Filter eia sse tee tdi vidi ente 154 Figure 68 Install the Air Filter spenti onanerer anna dea eme 155 Figure 69 Remove tne Fan Tra eie eate eet eer eiie etes 156 Figure 70 Install the Ean Tray noe eer e
30. Internet architecture and the smooth operation of the Internet Internet Group Membership Protocol Used with multicast protocols to determine whether group members are present Interior gateway protocol such as IS IS OSPF and RIP To install routes from the routing protocols into a routing table Routes that are in the routing table because an interface has been configured with an IP address Also called direct routes Internet Protocol The protocol used for sending data from one point to another on the Internet Intermediate System to Intermediate System protocol Link state interior gateway routing protocol for IP networks that also uses the shortest path first SPF algorithm to determine routes International Organization for Standardization Worldwide federation of standards bodies that promotes international standardization and publishes international agreements as International Standards Internet service provider Company that provides access to the Internet and related services International Telecommunications Union formerly known as the CCITT Group supported by the United Nations that makes recommendations and coordinates the development of telecommunications standards for the entire world Glossary Glossary jitter kernel forwarding table label switched path LSP label switching label switching router link link state PDU LSP LSP LSR mask MBone MED mesh MIB MPLS MT
31. JUNOS Internet software preinstalled To upgrade the software you use CLI commands to copy a set of software images over the network to the router s flash disk The JUNOS Internet software set consists of several images provided in individual packages or as a bundle You normally upgrade all packages simultaneously For information about installing and upgrading JUNOS software see the JUNOS Internet Software Configuration Guide Getting Started M40 Internet Router Hardware Guide System Architecture Overview The router architecture consists of two major components W Packet Forwarding Engine Performs Layer 2 and Layer 3 packet switching route lookups and packet forwarding W Routing Engine Provides Layer 5 routing services and network management The Packet Forwarding Engine and the Routing Engine perform independently but communicate constantly through a 100 Mbps internal link This arrangement provides streamlined forwarding and routing control and the ability to run Internet scale networks at high speeds Figure 11 illustrates the relationship between the Packet Forwarding Engine and the Routing Engine Figure 11 System Architecture Routing Engine 100 Mbps link Packet Forwarding gt Packets Engine out 1244 For a discussion of the architectural components see the following sections W Packet Forwarding Engine Architecture on page 32 W Routing Engine Architecture on page 33 Sys
32. PIM PLP policing PPP preference primary interface Protocol Independent Multicast provider edge router provider router QoS quality of service RADIUS Random Early Detection rate limiting RBOC RDRAM RED Resource Reservation Protocol RFC Protocol Independent Multicast A protocol independent multicast routing protocol PIM Sparse Mode routes to multicast groups that might span wide area and interdomain internets PIM Dense Mode is a flood and prune protocol Packet Loss Priority Applying rate limits on bandwidth and burst size for traffic on a particular interface Point to Point Protocol Link layer protocol that provides multiprotocol encapsulation It is used for link layer and network layer configuration Desirability of a route to become the active route A route with a lower preference value is more likely to become the active route The preference is an arbitrary value in the range 0 through 255 that the routing protocol process uses to rank routes received from different protocols interfaces or remote systems Router interface that packets go out when no interface name is specified and when the destination address does not imply a particular outgoing interface See PIM See PE router Router in the service provider s network that does not attach to a customer edge CE device Quality of service Performance such as transmission rates and error rates of a communications channel o
33. RX Tip 4 4 TX Ring 5 5 TX Tip 5 5 Shield Return Ground 6 6 Shield Return Ground 7 o connec o connec 8 o connec o connec 9 o connec o connec 0 o connec o connec 1 o connec o connec 2 o connec o connec 5 o connec o connec 4 o connec o connec 5 o connec o connec Table 27 RJ 48 Connector to RJ 48 Connector Crossover Pinout RJ 48 Pin on T1 E1 PIC RJ 48 Pin Data numbering form Data numbering form Signal 1 4 RX Ring lt gt TX Ring 2 5 RX Tip lt gt TX Tip 4 4 1 TX Ring gt RX Ring 5 2 TX Tip 4 lt gt RX Tip 4 5 5 Shield Return Ground 6 6 Shield Return Ground 7 o connec o connec 8 o connec o connec 9 o connec o connec 0 o connec o connec 1 o connec o connec 2 o connec o connec 3 o connec o connec 4 o connec o connec 5 o connec o connec Cable Connectors and Pinouts Q Cable Connectors and Pinouts Table 28 RJ 48 Connector to DB 15 Connector Straight Pinout RJ 48 Pin on T1 E1 PIC DB 15 Pin Data numbering form Data numbering form Signal 1 11 RX Ring lt gt RX Ring 2 3 RX Tip lt gt RX Tip 4 9 TX Ring lt gt TX Ring 5 1 TX Tip lt gt TX Tip 3 4 Shield Return Ground 6 2 Shield Return Ground 7 o connec o connec 8 o connec o connec 9 o connec o connec 0 o connec o connec 1 o connec o connec 2 o connec o connec 3 o
34. S N 900106217 1607 Q M40 Internet Router Hardware Guide Return the Router or Its Components Figure 101 Routing Engine 600 Serial Number ID Label 1576 1234567891012 Serial number ID label SCB Serial Number ID Label The serial number ID label on an SCB is located at the center front of the board panel see Figure 102 Figure 102 Serial Number Label on the System Control Board e 1 000000000 Serial number ID label S ENS 1602 Return the Router or Its Components Q Return the Router or Its Components Pack the Router for Shipment To pack the router for shipment follow this procedure 1 Retrieve the crate with bottom pallet and packing materials in which the router was originally shipped 2 On the console or other management device connected to the Routing Engine enter CLI operational mode and issue the following command to shut down the router software For more information see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management user host gt request system halt Wait until a message appears on the console confirming that the operating system has halted 3 Shut down power to the router by pressing the power switch o
35. Supplies Disconnection Warning Warning The router has more than one power supply connection All connections must be removed completely to remove power from the unit completely Waarschuwing Deze eenheid heeft meer dan n stroomtoevoerverbinding alle verbindingen moeten volledig worden verwijderd om de stroom van deze eenheid volledig te verwijderen Varoitus T ss laitteessa on useampia virtal hdekytkent j Kaikki kytkenn t on irrotettava kokonaan jotta virta poistettaisiin t ysin laitteesta Attention Cette unit est quip e de plusieurs raccordements d alimentation Pour supprimer tout courant lectrique de l unit tous les cordons d alimentation doivent tre d branch s Warnung Diese Einheit verf gt ber mehr als einen Stromanschlu amp um Strom g nzlich von der Einheit fernzuhalten m ssen alle Stromzufuhren abgetrennt sein Avvertenza Questa unit ha piu di una connessione per alimentatore elettrico tutte le connessioni devono essere completamente rimosse per togliere l elettricit dall unit Advarsel Denne enheten har mer enn n stromtilkobling Alle tilkoblinger ma kobles helt fra for eliminere strom fra enheten Aviso Este dispositivo possui mais do que uma conex o de fonte de alimenta o de energia para poder remover a fonte de alimenta o de energia dever o ser desconectadas todas as conex es existentes jAdvertencia Esta unidad tiene m s de una conexi n de suministros de a
36. W LED Indicates disk activity for the internal IDE interface It does not necessarily indicate routing related activity The LEDs that report Routing Engine status are on the craft interface rather than the Routing Engine faceplate See Routing Engine LEDs and Interface Ports on page 19 W Reset button Reboots the Routing Engine when pressed E Extractor clips Control the locking system that secures the Routing Engine in the chassis The appearance and position of electronic components or the PC card slot on your Routing Engine might differ from the figures in this section These differences do not affect Routing Engine installation and removal or functionality For specific information about components in a Routing Engine for example the capacity of the hard disk issue the show chassis routing engine command Although the Routing Engine has a PC card slot it is disabled on the M40 router The router instead uses an LS 120 disk Figure 6 Routing Engine Routing Engine 333 Routing Engine 600 Extractor clip Extractor clip PC card slot PC card slot Extractor clip 1596 Extractor clip o M40 Internet Router Hardware Guide Craft Interface Craft Interface The craft interface provides status and troubleshooting information at a glance and has buttons for deactivating alarms and preparing FPCs for removal The craft interface is located on the front of the chassis below the FPC card cage as shown
37. addition the site should be as dust free as possible Dust can clog the air filter reducing cooling system efficiency Check the air filter under the cable management system and the covers on all cooling subsystems frequently cleaning them as necessary For more information see Maintain and Replace Cooling System Components on page 153 Figure 17 Site Environment Specifications Description Specification Altitude No performance degradation to 10 000 ft 3048 m Relative humidity Normal operation ensured in relative humidity range of 5 to 90 noncondensing Temperature Normal operation ensured in temperature range of 0 C 32 F to 40 C 104 F Shock Tested to meet Bellcore Zone 4 earthquake requirements Install the router only in restricted areas such as dedicated equipment rooms and equipment closets in accordance with Articles 110 16 110 17 and 110 18 of the National Electrical Code ANSI NFPA 70 For additional safety guidelines and requirements see Regulatory Compliance and Safety Information on page 55 Fire Safety Requirements In the event of a fire emergency involving routers and other network equipment the safety of people is the primary concern You should establish procedures for protecting people in the event of a fire emergency provide safety training and properly provision fire control equipment and fire extinguishers In addition you should establish procedures to prote
38. and impellers are powerful enough to draw in foreign material such as bits of wire through the unfiltered air intake which could Caution damage router components W Upper and lower impeller assemblies Cool the Packet Forwarding Engine components backplane SCB FPCs and PICs The lower impeller assembly is located behind the craft interface at the front the chassis and the upper assembly is located above the fan tray at the rear of the chassis Each assembly houses two impellers for redundancy The assemblies are not interchangeable For replacement instructions see Replace the Lower Impeller Assembly on page 158 and Replace the Upper Impeller Assembly on page 159 W Fan tray Cools the Routing Engine and backplane The tray houses three fans for redundancy and is located above the Routing Engine at the upper rear of the chassis see Figure 2 For replacement instructions see Maintain and Replace the Fan Tray on page 155 W Power supply integrated fan Cools the power supply It is not field replaceable Hardware Component Overview o Cable Management System Airflow through the Chassis Figure 10 shows airflow through the chassis and the location of the cooling subsystems Figure 10 Side View of Air Flow through the Chassis Exhaust for U eet Packet Forwarding pperimperers Engine cooling Exhaust for Routing Fan tray Packet l Engine and backplane Forwarding cooling En
39. assumes a broad understanding of networks in general the Internet in particular networking principles and network configuration A detailed discussion of these concepts is beyond the scope of this manual About This Manual o Document Organization Document Organization This manual is divided into several parts W Preface About This Manual this chapter provides a brief description of the contents and organization of this manual and describes how to obtain technical support W Part 1 Product Overview provides an overview of the router describing its hardware components the JUNOS Internet software and the system architecture W Part 2 Initial Installation describes how to prepare your site for router installation and how to unpack install and power on the router It describes requirements and specifications for the installation site power source rack wiring and cabling It also provides detailed safety guidelines and warnings W Part 5 Hardware Maintenance and Replacement Procedures describes general maintenance procedures for the router and how to maintain and replace the router components W Part 4 Troubleshooting describes general troubleshooting procedures for the router It also tells you how to contact the Juniper Networks Technical Assistance Center JTAC W Part 5 Appendixes provides pinout specifications for several cable types instructions for cleaning fiber optic transceivers instru
40. blank panel so that cooling air can circulate properly through the FPC card cage Install an FPC or Quad wide PIC To install an FPC or quad wide PIC follow this procedure for brevity the instructions refer to FPCs only 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Install or remove PICs as desired by following the instructions in Replace a PIC on page 167 You must install or remove PICs before installing the FPC into the chassis If any PICs use fiber optic cable make sure that each transceiver is covered with a rubber safety cap 3 Verify that the ends of the extractor clips are pointing outward toward the ends of the FPC 4 Grasp the front of the FPC with both hands and align the rear with the guides at the sides of the FPC slot in the chassis 5 Slide the FPC straight into the card cage until it contacts the backplane When about 1 in 2 5 cm of the FPC remains outside the slot adjust the insertion speed so that it takes between 1 and 15 seconds for the FPC to contact the backplane Completing the insertion too quickly or too slowly can cause the router to reset Caution 6 Push the ends of the extractor clips located at each end of the FPC inward toward the center of the FPC see Figure 76 7 Tighten the thumbscrew at each end of the FPC 8 If any of the PICs on the FPC use fiber optic cable remove the rubber safety cap from each tr
41. bornes Warnung Vor der Arbeit an Ger ten die an das Netz angeschlossen sind jeglichen Schmuck einschlie lich Ringe Ketten und Uhren abnehmen Metallgegenstande erhitzen sich wenn sie an das Netz und die Erde angeschlossen werden und k nnen schwere Verbrennungen verursachen oder an die AnschluBklemmen angeschwei amp t werden Avvertenza Prima di intervenire su apparecchiature collegate alle linee di alimentazione togliersi qualsiasi monile inclusi anelli collane braccialetti ed orologi Gli oggetti metallici si riscaldano quando sono collegati tra punti di alimentazione e massa possono causare ustioni gravi oppure il metallo pu saldarsi ai terminali Advarsel Fjern alle smykker inkludert ringer halskjeder og klokker fer du skal arbeide p utstyr som er koblet til kraftledninger Metallgjenstander som er koblet til kraftledninger og jord blir svaert varme og kan for rsake alvorlige brannskader eller smelte fast til polene Aviso Antes de trabalhar em equipamento que esteja ligado a linhas de corrente retire todas as j ias que estiver a usar incluindo an is fios e rel gios Os objectos met licos aquecerao em contacto com a corrente e em contacto com a liga o terra podendo causar queimaduras graves ou ficarem soldados aos terminais jAdvertencia Antes de operar sobre equipos conectados a l neas de alimentaci n quitarse las joyas incluidos anillos collares y relojes Los objetos de metal se calientan cuando
42. certain that the positive source DC power cable lug is connected to the return terminal labeled RTN and the negative power cable lug is connected to the input terminal labeled 48V Install the Router and Configure Software o Provide Power to the Router M40 Internet Router Hardware Guide Turn on the power to the management device that is connected to the Routing Engine through the craft interface port labeled CONSOLE AUXILIARY or MANAGEMENT ETHERNET For more information on connecting management devices see Connect the Router to Management and Alarm Devices on page 119 Press the power switch on one power supply to the ON position Verify that the green LED labeled OK on the power supply faceplate eventually lights steadily After a power supply is turned on it can take up to 60 seconds for status indicators such as LEDs on the power supply show chassis commands and messages on the craft interface LCD to indicate that the power supply is functioning normally Ignore error indicators that appear during the first 60 seconds The Routing Engine boots as the power supply completes its startup sequence If the Routing Engine finishes booting and you need to power down the router again first issue the CLI request system halt command For complete instructions see Disconnect AC Power from the Router on page 140 or Disconnect DC Power from the Router on page 147 If after powering on the
43. en que el sistema quede bien estable Para garantizar su seguridad proceda seg n las siguientes instrucciones El Juniper Networks router debe instalarse en un bastidor fijado a la estructura del edificio Colocar el equipo en la parte inferior del bastidor cuando sea la nica unidad en el mismo Cuando este equipo se vaya a instalar en un bastidor parcialmente ocupado comenzar la instalaci n desde la parte inferior hacia la superior colocando el equipo m s pesado en la parte inferior Si el bastidor dispone de dispositivos estabilizadores instalar stos antes de montar o proceder al mantenimiento del equipo instalado en el bastidor Regulatory Compliance and Safety Information Safety Guidelines and Warnings Varning F r att undvika kroppsskada n r du installerar eller utf r underhallsarbete pa denna enhet p en st llning m ste du vidta s rskilda f rsiktighets tg rder f r att f rs kra dig om att systemet st r stadigt F ljande riktlinjer ges f r att trygga din s kerhet SE Juniper Networks router m ste installeras i en st llning som r f rankrad i byggnadens struktur Om denna enhet ar den enda enheten pa st llningen skall den installeras langst ned pa st llningen Om denna enhet installeras pa en delvis fylld stallning skall stallningen fyllas nedifran och upp med de tyngsta enheterna l ngst ned pa st llningen Om st llningen ar f rsedd med stabiliseringsdon skall dessa monteras fast innan enhete
44. from dust before during and after installation E Keep tools away from areas where people could trip over them while walking W Do not wear loose clothing or jewelry such as rings bracelets or chains which could become caught in the chassis W Wear safety glasses if you are working under any conditions that could be hazardous to your eyes W Do not perform any actions that create a potential hazard to people or make the equipment unsafe W Never attempt to lift an object that is too heavy for one person to handle W Never install or manipulate wiring during electrical storms W Never install electrical jacks in wet locations unless the jacks are specifically designed for wet environments E Operate the router only when it is properly grounded W Replace fuses only with fuses of the same type and rating W Do not open or remove chassis covers or sheet metal parts when instructions are not provided in this manual Such an action could cause severe electrical shock W Do not push or force any objects through any opening in the chassis frame Such an action could result in electrical shock or fire Regulatory Compliance and Safety Information o Safety Guidelines and Warnings W Avoid spilling liquid onto the router chassis or onto any router component Such an action could cause electrical shock or damage the router W Avoid touching uninsulated electrical wires or terminals that have not been disconnected from their powe
45. fun Mtt REALI oe M LES 202 POWEL SYSTE iiie n i eade oe er epaod a uds 195 SGB ratis ee ee E M NEED 202 i rack urit eese pet qb ect aa te e sae 40 unicast routing protocols ssssssssse 26 upper impeller assembly description hardware and function 25 installation instructions during initial installation 117 for maintenance or replacement 160 FELSEA Eege e 157 removal instructions during initial installation ssse for maintenance or replacement tools regure d a a osten evt de pedes TROUDIESHOOUIIE voserion e btts WISN Gash tinct ene apia a EEN warnings Electricals isn dink Ae ee 60 DEE 57 installation bct be eee ie ae 71 laser anid LED iiie tete er rater re enn 76 levels defined uates eti beg be UE ee tine 55 maintenance and operational 79 weight fully configured Toute h coueina iaa 40 hardware Component Ss te beet aihe 99 wiring electrical See electricity eee 49 Index Index o Index M40 Internet Router Hardware Guide
46. functioning normally For more information see FPC LEDs and Offline Button on page 18 W Check the LEDs on PIC faceplates Most PIC faceplates have an LED labeled STATUS Some PICs have additional LEDs often one per port The meaning of the LED states differs for various PICs For more information see the M20 and M40 Internet Routers PIC Guide If the FPC that houses the PIC detects a PIC failure the FPC informs the SCB which in turn sends an alarm to the Routing Engine E Issue the CLI show chassis fpc command to check the status of installed FPCs As shown in the sample output the value Online in the column labeled State indicates that the FPC is functioning normally user host gt show chassis fpc Temp CPU Utilization Memory Utilization Slot State C Total Interrupt DRAM MB Heap Buffer 0 Online 28 1 0 8 9 SE 1 Online 27 1 0 8 9 l5 2 Online 29 I 0 8 12 14 3 Empty 4 Empty 5 Online 25 0 0 8 8 14 6 Online 29 1 0 8 9 14 7 Online 26 1 0 8 8 13 For more detailed output add the detail option The following example also specifies a slot number 0 which is optional user host gt show chassis fpc detail 0 Slot 0 information State Online Logical slot 0 Temperature 28 degrees C 82 degrees F Total CPU DRAM 8 MB Total SRAM 1 MB Total SDRAM 128 MB Total notification SDRAM 24 MB I O Manager ASIC information Start time Version 1 1 Foundry IBM Part number 0 2003 05 23 18 14 31 PDT Uptime 3
47. in Figure 1 It includes the elements shown in Figure 7 Figure 7 Craft Interface FPC LEDs FAIL O OK FAIL O OK FAIL O OK FAIL O OK FAIL O OK FAIL O OK FAIL O OK FAIL O OK Lo 6 ALARM ROUTING ENGINE NC Wi RED G ALARM MENU A OK o o o ALARM lt gt FAIL CONSOLE J xL RW C O YELLOW v MANAGEMENT o jo NO Oo ALARM ETHERNET AUXILIARY j wo S Alarm relay Alarm LEDs LCD Routing Engine LEDs Routing Engine ports contacts 9 The power supply LEDs are located on the power supply faceplate rather than on the craft interface For more information see Power Supplies on page 20 For information about the elements on the craft interface see the following sections W FPC LEDs and Offline Button on page 18 W Alarm Relay Contacts LEDs and Cutoff Button on page 18 E LCD on page 19 E Routing Engine LEDs and Interface Ports on page 19 Hardware Component Overview Craft Interface FPC LEDs and Offline Button Each of the eight FPC slots in the router has two LEDs and an offline button located directly below it on the craft interface as shown in Figure 7 The green LED labeled OK and red LED labeled FAIL indicate FPC status as described in Table 5 The offline button labeled w
48. install the stabilizers before mounting or servicing the router in the rack Waarschuwing Om lichamelijk letsel te voorkomen wanneer u dit toestel in een rek monteert of het daar een servicebeurt geeft moet u speciale voorzorgsmaatregelen nemen om ervoor te zorgen dat het toestel stabiel blijft De onderstaande richtlijnen worden verstrekt om uw veiligheid te verzekeren De Juniper Networks router moet in een stellage worden ge nstalleerd die aan een bouwsel is verankerd Dit toestel dient onderaan in het rek gemonteerd te worden als het toestel het enige in het rek is Wanneer u dit toestel in een gedeeltelijk gevuld rek monteert dient u het rek van onderen naar boven te laden met het zwaarste onderdeel onderaan in het rek Als het rek voorzien is van stabiliseringshulpmiddelen dient u de stabilisatoren te monteren voordat u het toestel in het rek monteert of het daar een servicebeurt geeft Varoitus Kun laite asetetaan telineeseen tai huolletaan sen ollessa telineess on noudatettava erityisi varotoimia j rjestelm n vakavuuden s ilytt miseksi jotta v ltyt n loukkaantumiselta Noudata seuraavia turvallisuusohjeita Juniper Networks router on asennettava telineeseen joka on kiinnitetty rakennukseen Jos telineess ei ole muita laitteita aseta laite telineen alaosaan Jos laite asetetaan osaksi t ytettyyn telineeseen aloita kuormittaminen sen alaosasta kaikkein raskaimmalla esineell ja siirry sitten sen yl osaan
49. monitoring policing and configuration management Forwarding operations in the router are performed by the Packet Forwarding Engine which consists of hardware including ASICs designed by Juniper Networks System Overview eo Field Replaceable Units FRUs Field Replaceable Units FRUs Field replaceable units FRUs are router components that can be replaced at the customer site Replacing FRUs requires minimal router downtime There are three types of FRUs W Hot removable and hot insertable FRUs You can remove and replace these components without powering down the router or disrupting the routing functions W Hot pluggable FRUs You can remove and replace these components without powering down the router but the routing functions of the system are interrupted when the component is removed W FRUs that require powering down the router You must power down the router before removing these components Table 2 lists the FRUs for the M40 router Table 2 Field Replaceable Units Hot Removable and FRUs That Require Powering Hot Insertable FRUs Hot Pluggable FRUs Down the Router W Fan tray assembly W Routing Engine W Craft interface E Flexible PIC Concentrator W System Control Board FPC SCB W Front and rear impeller assemblies W Physical Interface Card PIC W Power supply For FRU replacement instructions see Hardware Maintenance and Replacement Procedures on page 151 Component Redundancy T
50. of a paper clip or other small probing device through the hole in the SCB faceplate W Extractor clips Control the locking system that secures the SCB in the chassis For specific information about SCB components for example the amount of SSRAM and DRAM issue the show chassis scb command Figure 5 System Control Board o M40 Internet Router Hardware Guide Access to reset switch D p D Tre LE OB aco ge g aig Hi dg co 0 i p g UD 1 22 LEDs Bio ps 0 7 Debug port a ol s 1005 Routing Engine Table 4 States for SCB LEDs Routing Engine Label Color State Description ACTIVE Green Flashing pulsed with out time I O interrupts are occurring proportional to traffic RUN Green Blinking SCB processor is running Normally the blinking is faint and becomes bright only when the SCB is processing many exceptions STATL Amber Flashing Internal diagnostics are running STAT2 The Routing Engine is an Intel based PCI platform that runs JUNOS Internet software Software processes that run on the Routing Engine maintain the routing tables manage the routing protocols used on the router control the router s interfaces control some chassis components and provide the interface for system management and user access to the router The Routing Engine installs i
51. power supply faceplate and indicate the status of the power supply See Power Supply LEDs on page 22 W SCB Four LEDs on the faceplate of the SCB indicate its status See SCB Components on page 15 Hardware and Interface Alarm Messages When the Routing Engine detects an alarm condition it lights the red or yellow alarm LED on the craft interface as appropriate trips the corresponding alarm relay contact on the craft interface and reports the cause of the alarm in the craft interface LCD To view a more detailed description of the alarm cause issue the show chassis alarms CLI command M40 Internet Router Hardware Guide Hardware and Interface Alarm Messages user host gt show chassis alarms There are two classes of alarm messages W Chassis alarms Indicate a problem with a chassis component such as the cooling system or power supplies as described in Table 22 The text in the column labeled LCD Message appears in the LCD The text in the column labeled CLI Message appears in the output from the show chassis alarms command W Interface alarms Indicate a problem with a specific network interface as described in Table 25 Table 22 Chassis Alarm Messages Component LCD Message CLI Message Fans fan name FAIL fan name stopped spinning fan name RMVD fan name removed Too few fans Too few fans installed or working Temperature sensors temperature sensor FAIL temperature sens
52. quipement soyez conscient des dangers pos s par les circuits lectriques et familiarisez vous avec les proc dures couramment utilis es pour viter les accidents Warnung Dieses Warnsymbol bedeutet Gefahr Sie befinden sich in einer Situation die zu einer K rperverletzung f hren k nnte Bevor Sie mit der Arbeit an irgendeinem Ger t beginnen seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur Vermeidung von Unf llen bewu t Avvertenza Questo simbolo di avvertenza indica un pericolo La situazione potrebbe causare infortuni alle persone Prima di lavorare su qualsiasi apparecchiatura occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti Advarsel Dette varselsymbolet betyr fare Du befinner deg i en situasjon som kan f re til personskade F r du utf rer arbeid p utstyr m du vare oppmerksom p de faremomentene som elektriske kretser inneb rer samt gj re deg kjent med vanlig praksis n r det gjelder unng ulykker Aviso Este s mbolo de aviso indica perigo Encontra se numa situa o que lhe poder causar danos fisicos Antes de come ar a trabalhar com qualquer equipamento familiarize se com os perigos relacionados com circuitos el ctricos e com quaisquer pr ticas comuns que possam prevenir poss veis acidentes jAtenci n Este s mbolo de aviso significa peligro Existe riesgo para s
53. se conectan a la alimentaci n y a tierra lo que puede ocasionar quemaduras graves o que los objetos met licos queden soldados a los bornes Varning Tag av alla smycken inklusive ringar halsband och armbandsur innan du arbetar pa utrustning som r kopplad till kraftledningar Metallobjekt hettas upp nar de kopplas ihop med str m och jord och kan f rorsaka allvarliga br nnskador metallobjekt kan ocks sammansvetsas med kontakterna Regulatory Compliance and Safety Information Safety Guidelines and Warnings Lightning Activity Warning Do not work on the system or connect or disconnect cables during periods of lightning activity mmm Waarschuwing Tijdens onweer dat gepaard gaat met bliksem dient u niet aan het arnin systeem te werken of kabels aan te sluiten of te ontkoppelen Varoitus l ty skentele j rjestelm n parissa l k yhdist tai irrota kaapeleita ukkosilmalla Attention Ne pas travailler sur le syst me ni brancher ou d brancher les c bles pendant un orage Warnung Arbeiten Sie nicht am System und schlie en Sie keine Kabel an bzw trennen Sie keine ab wenn es gewittert Avvertenza Non lavorare sul sistema o collegare oppure scollegare i cavi durante un temporale con fulmini Advarsel Utf r aldri arbeid p systemet eller koble kabler til eller fra systemet n r det tordner eller lyner Aviso N o trabalhe no sistema ou ligue e desligue cabos durante per odos de mau tempo trovoada jA
54. service Process of selecting the paths chosen by data traffic in order to balance the traffic load on the various links routers and switches in the network Definition from http www ietf org internet drafts draft ietf mpls framework 04 txt See also MPLS Private secure path through an otherwise public network See ToS Operation of sending network traffic from one network node to another individual network node Uninterruptible power supply Device that sits between a power supply and a router or other piece of equipment the prevents undesired power source events such as outages and surges from affecting or damaging the device See VCI Vapor corrosion inhibitor Small cylinder packed with the router that prevents corrosion of the chassis and components during shipment Virtual circuit identifier 16 bit field in the header of an ATM cell that indicates the particular virtual circuit the cell takes through a virtual path Also called a logical interface See also VPI See VCI Q M40 Internet Router Hardware Guide virtual path identifier Virtual Router Redundancy Protocol VPI VRRP wavelength division multiplexing WDM weighted round robin WRR Glossary See VPI See VRRP virtual path identifier 8 bit field in the header of an ATM cell that indicates the virtual path the cell takes See also VCI Virtual Router Redundancy Protocol On Fast Ethernet and Gigabit Ethernet interfaces allows y
55. shuts down both power supplies There is no power to the router so the alarm LEDs on the craft interface are not lit Excessive system temperature is almost always caused by excessive environmental temperatu re Correct the environmental temperature before powering the router on again All LEDs on One Supply are Off or LED States are not Correct If either of the following conditions apply perform the diagnostic procedure that follows E TheL EDs on one power supply are all off but the LEDs on the other supply indicate that it is functioning properly E TheL ED states on one or both supplies indicate a problem the green LED labeled OK is not lit and the red LED labeled FAIL is lit Troubleshoot the Power Supplies All LEDs on One Supply are Off or LED States are not Correct Perform the following steps to diagnose and correct the problem 1 Check the red alarm LED on the craft interface W if it is lit issue the following CLI command for more information about the source of an alarm condition user host gt show chassis alarms For a list of messages that can appear see Hardware and Interface Alarm Messages on page 192 A common cause of power supply shutdown is that the temperature of the power supply or another router component has exceed the maximum temperature W If the red alarm LED is not lit check that the power switch is in the ON position on the power supply faceplate 2 Replace the f
56. that reports lower priority yellow alarms Remove existing wires from the alarm relay contact and insert replacement wires the NC label on one contact means normally closed C means common and NO means normally open Tighten the screws to secure the wire Attach the other end of the replacement wires to the external device Troubleshooting W Troubleshooting Overview on page 191 W Troubleshoot the Power Supplies on page 195 W Troubleshoot the Cooling System on page 197 W Troubleshoot the Packet Forwarding Engine Components on page 201 M40 Internet Router Hardware Guide Troubleshooting Overview This chapter provides an overview of the resources you can use while troubleshooting problems with the router W Command Line Interface on page 191 W LEDs on page 192 W Hardware and Interface Alarm Messages on page 192 E Juniper Networks Technical Assistance Center on page 194 For information about troubleshooting problems with specific hardware components including the cooling system power supplies and the Packet Forwarding Engine see the subsequent chapters in this document If you encounter problems with other router components including the Routing Engine contact the Juniper Networks Technical Assistance Center JTAC as described in Juniper Networks Technical Assistance Center on page 194 Command Line Interface The JUNOS Internet software command line interface CLI is the primary tool for controlling an
57. the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management To replace the fan tray perform the following procedures W Remove the Fan Tray on page 156 W Install the Fan Tray on page 156 Maintain and Replace Cooling System Components Maintain and Replace the Fan Tray Remove the Fan Tray The fan tray is located at the rear of the chassis beneath the upper impeller assembly see Figure 2 On some M40 routers the tray is covered by a protective screen You do not need to remove the screen before removing the fan tray from the chassis The fan tray weighs approximately 5 Ib 2 kg To remove the fan tray follow this procedure see Figure 69 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Unscrew the screws at the outer corners of the fan tray not the screws that attach the protective screen using a Phillips screwdriver if necessary 3 Grasp the sides of the fan tray and pull firmly to slide it out of the chassis Figure 69 Remove the Fan Tray 1040 Install the Fan Tray To install the fan tray follow this procedure see Figure 70 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Slide the fan tray into the chassis 3 Align the screws at the corners of the fan tray with the mounting holes at the edges of
58. the JUNOScript application programming interface the craft interface and SNMP o M40 Internet Router Hardware Guide Routing Engine Architecture W Storage and change management Configuration files system images and microcode can be held and maintained in primary and secondary storage systems permitting local or remote upgrades W Monitoring efficiency and flexibility The router supports functions such as alarm handling and packet counting on every port without degrading packet forwarding performance The Routing Engine constructs and maintains one or more routing tables From the routing tables the Routing Engine derives a table of active routes called the forwarding table which is then copied into the Packet Forwarding Engine The design of the Internet Processor II ASIC allows the forwarding table in the Packet Forwarding Engine to be updated without interrupting forwarding performance See Figure 14 Figure 14 Control Packet Handling Routing and Forwarding Table Updates Routing protocol process Routing Engine Forwarding table Routing protocol updates packets from network Forwarding table Packet Forwarding Packets Engine out 1240 System Architecture Overview o Routing Engine Architecture M40 Internet Router Hardware Guide Initial Installation W Prepare the Site on page 39 W Regulatory Compliance and Safety Information on page
59. the cable is disconnected To replace a PIC cable perform the following procedures W Remove a PIC Cable on page 185 W Install a PIC Cable on page 184 Remove a PIC Cable To remove a PIC cable follow this procedure 1 Ifthe PIC connects to fiber optic cable have ready a rubber safety cap for each cable you are removing and the transceiver into which it plugs 2 Unplug the cable from the cable connector port and immediately place a rubber safety cap over the port if it connects to fiber optic cable Do not look directly into the ends of fiber optic cables or the transceivers on the faceplate of a PIC that connects to fiber optic cable Single mode fiber optic cable and the PICs that use it such as ATM and SONET SDH emit laser light that can damage your eyes Warning Do not leave a transceiver uncovered except when removing or inserting the cable The safety cap keeps the port clean and prevents accidental exposure to laser light 3 Carefully thread the cable through the cable management system to prevent the cable from dislodging or developing stress points Place excess cable out of the way in a neatly coiled loop in the cable management system Placing fasteners on the loop helps to maintain its shape Avoid bending fiber optic cable beyond its minimum bend radius An arc smaller than a few inches in diameter can damage the cable and cause problems that are difficult to diagnose Caution Do not let fiber optic ca
60. the center slot of the card cage installing into the backplane from the front of the chassis see Figure 1 The SCB is hot pluggable as described in Field Replaceable Units FRUs on page 4 For SCB replacement instructions see Replace the SCB on page 169 The SCB performs the following functions W Route lookups The Internet Processor or Internet Processor II ASIC on the SCB performs route lookups using the forwarding table stored in the synchronous SRAM SSRAM After performing the lookup the ASIC informs the backplane of the forwarding decision and the backplane forwards the decision to the appropriate outgoing interface W Monitoring and control of router components The SCB collects statistics from all sensors in the system When it detects a failure or alarm condition it sends a signal to the Routing Engine which generates control messages or sets an alarm The SCB also relays control messages from the Routing Engine to the router components W Transfer of exception and control packets The Internet Processor or Internet Processor II ASIC passes exception packets to the microprocessor on the SCB which processes almost all of them The SCB sends any remaining exception packets to the Routing Engine for further processing When the SCB detects an error originating in the Packet Forwarding Engine it sends it to the Routing Engine using system logging syslog messages W Control of FPC resets If the SCB detec
61. voltages are only to be associated with float voltages for the charging function Because the router is a positive ground system you must connect the positive lead to the terminal labeled RTN the negative lead to the terminal labeled 48V and the earth ground to the grounding studs on each power supply Use a hexagonal head external drive socket wrench with a minimum of 150 Ib in 16 Nm tightening torque to connect the leads to the terminals If using a fixed size nut driver or wrench to tighten and loosen the nuts use only a 7 16 in tool Do not substitute a metric tool because a tool that does not fit the nuts exactly can damage them If a 7 16 in tool is not available use pliers or an adjustable wrench Caution Safety Guidelines and Warnings Copper Conductors Warning Use copper conductors only Waarschuwing Gebruik alleen koperen geleiders Warning Varoitus K yt vain kuparijohtimia Attention Utilisez uniquement des conducteurs en cuivre Warnung Verwenden Sie ausschlie lich Kupferleiter Avvertenza Usate unicamente dei conduttori di rame Advarsel Bruk bare kobberledninger Aviso Utilize apenas fios condutores de cobre jAdvertencia Emplee s lo conductores de cobre Varning Anv nd endast ledare av koppar Regulatory Compliance and Safety Information Safety Guidelines and Warnings DC Power Disconnection Warning Before performing any of the following procedures ensure that power is re
62. you must remove it from the chassis to access the Routing Engine and LS 120 drive The Routing Engine housing weighs approximately 17 Ib 8 kg To remove and install the Routing Engine housing perform the following procedures W Remove the Routing Engine Housing on page 175 W Install the Routing Engine Housing on page 175 Q M40 Internet Router Hardware Guide Replace the Routing Engine Housing Remove the Routing Engine Housing To remove the Routing Engine housing use the following procedure see Figure 81 1 On the console or other management device connected to the Routing Engine enter CLI operational mode and issue the following command The command shuts down the Routing Engine cleanly so that its state information is preserved user host gt request system halt Wait to continue until a message appears on the console confirming that the operating system has halted Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Unscrew the screws along the left and right edges of the Routing Engine housing six in all using a Phillips screwdriver if necessary Grasp the handles located at either side of the Routing Engine housing and slide the unit about halfway out of the chassis Move one of your hands underneath the housing to support it and slide it completely out of the chassis Figure 81 Remove the Routing Engine Housing Mounting screws
63. your geographical area is subject to earthquakes bolt the rack to the floor For maximum stability also secure the rack to ceiling brackets For more information see Laser and LED Safety Guidelines and Warnings on page 76 Prepare the Site o Clearance Requirements for Airflow and Hardware Maintenance Clearance Requirements for Airflow and Hardware Maintenance When planning the installation site you need to allow sufficient clearance around the rack see Figure 16 W For the cooling system to function properly the airflow around the chassis must be unrestricted Allowing at least 6 in 15 2 cm of clearance between each side of the chassis and adjacent racks or equipment is recommended W For service personnel to remove and install hardware components there must be adequate space at the front and back of the router Allow at least 19 in 50 cm both in front of and behind the rack Figure 16 Chassis Dimensions Top View and Recommended Clearances La gt for airf CS T 19 clearance required 6 for airflow 19 clearance required for maintenance for maintenance A 23 5 gt Front of chassis Du Rear of chassis 19 17 25 Y Y i I o Front mounting ear Center mounting ear 6 for m o M40 Internet Router Hardware Guide Site Environmental Requirements Site Environmental Requirements Table 17 specifies the environmental conditions required for normal router operation In
64. 0 Made minor edits 28 February 2000 Added information about Channelized OC 12 PIC and Fast Ethernet Applied new templates and covers 9 March 1999 Added updates about power supplies 6 November 1998 Added more safety warnings and information about cabling DC power supplies 50 October 1998 Added DC power supply notices 8 September 1998 First edition rhe information in this document is current as of the date listed in the revision history Juniper Networks assumes no responsibility for any inaccuracies in this document Juniper Networks reserves the right to change modify transfer or otherwise revise this publication without notice Products made or sold by Juniper Networks including the G10 CMTS M5 M10 M20 M40 M40e and M160 routers T320 router T640 routing node and the JUNOS software or components thereof might be covered by one or more of the following patents that are owned by or licensed to Juniper Networks U S Patent Nos 5 475 599 5 905 725 5 909 440 6 333 650 6 559 479 and 6 406 512 YEAR 2000 NOTICE Juniper Networks hardware and software products are Year 2000 compliant The JUNOS software has no known time related limitations through the year 2058 However the NTP application is known to have some difficulty in the year 2056 About This Manual Objectives E Ee x Docurient Organization oet eet edet tes e tei eee e SES ER TNNT xviii List of Technical PubliCatiOTIs eter retenta ese
65. 0 Internet Router Hardware Guide FPC card carrier Houses the other FPC components I O Manager ASIC Parses Layer 2 and Layer 3 data and performs encapsulation and segmentation Two identical SDRAM dual inline memory modules DIMMs Form the memory pool shared with the other FPCs installed in the router Parity protected SSRAM Stores data structures used by the I O Manager ASIC Processor subsystem Manages packet handling in the FPC and communication with the SCB It is a PowerPC 605e based CPU with parity protected DRAM EEPROM Stores the serial number and revision level of the FPC Two LEDs Indicate FPC status There is a green one labeled OK and a red one labeled FAIL The LEDs for each FPC are located directly below it on the router craft interface For more information see FPC LEDs and Offline Button on page 18 Offline button Prepares the FPC for removal from the router when pressed Like the LEDs an offline button is located on the craft interface directly below each FPC slot For more information see FPC LEDs and Offline Button on page 18 Extractor clips Control the locking system that secures the FPC in the card cage Packet Forwarding Engine System Control Board SCB SCB Components The System Control Board SCB performs route lookup filtering and switching on incoming data packets then directs outbound packets to the appropriate FPC for transmission to the network It occupies
66. 0 Internet Router Hardware Guide Replace the Routing Engine Remove the Routing Engine The Routing Engine is housed in the Routing Engine housing It weighs approximately 1 5 Ib 0 7 kg To remove the Routing Engine follow this procedure 1 Place an electrostatic bag or antistatic mat on a flat stable surface to receive the Routing Engine 2 Attach an ESD wrist strap to your bare wrist and connect the wrist strap to one of the two ESD points on the chassis 3 Remove the Routing Engine housing from the chassis if it is not already For instructions see Remove the Routing Engine Housing on page 175 4 If screws are installed in the extractor clips located at each end of the Routing Engine faceplate use a Phillips screwdriver to loosen them until the Routing Engine is no longer seated in the housing 5 Using your thumbs push and hold the red tab on each extractor clip toward the outer edge of the unit Push the ends of the extractor clips outward see Figure 83 6 Grasp the extractor clips and slide the unit about halfway out of the chassis Be careful to slide the Routing Engine straight out of the chassis Damage can result if it gets lodged because of uneven movement 7 Place one hand under the Routing Engine to support it Slide it completely out of the chassis and place it on the antistatic mat or in the electrostatic bag prepared in Step 1 Maintain and Replace Routing Engine Components Repla
67. 02 he Fan Tray on page 103 he Cable Management System on page 104 he FPCs on page 105 he SCB on page 106 he Air Filter on page 107 he Lower Impeller Assembly on page 108 Install the Router without Using a Mechanical Lift Remove the Power Supplies The router has two power supplies either AC or DC located at the bottom rear of the chassis see Figure 2 Each power supply weighs approximately 20 Ib 9 kg To remove the power supplies follow this procedure see Figure 26 which shows an AC power supply 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Verify that the power switch on the faceplate of both power supplies is in the OFF 0 position 3 Loosen the thumbscrew at each upper corner of the power supply faceplate using a Phillips screwdriver if necessary 4 Lift and hold up the safety interlock lever On an AC power supply the lever is just below the appliance inlet On a DC power supply it is just below the power switch 5 While holding the safety interlock lever up turn the extractor inserter counterclockwise until the power supply disengages from the backplane 6 Grasp the handle on the power supply faceplate and pull firmly to slide the unit about halfway out of the chassis 7 Place one hand under the power supply to support it then slide it completely out of the chassis 8 Repeat Steps 5 through 7 to remove the second power supply F
68. 4 days 6 hours 9 minutes 5 seconds W To check the status of a PIC issue the CLI show chassis fpc pic status command The following example specifies an FPC slot number 5 which is optional The PIC slots in an FPC are numbered from O zero through 3 top to bottom user host gt show chassis fpc pic status 5 Slot 5 Online PIC 0 1x OC 12 SONET SMIR Er 1x OC 12 ATM MM PIC 2 1x OC 12 SONET SMIR PIC 3 1x Tunnel M40 Internet Router Hardware Guide Replace an FPC or Quad wide PIC For further description of the output from the commands see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management Replace an FPC or Quad wide PIC FPCs and quad wide PICs are hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 When you remove one of them forwarding operations halt for about 200 ms while the Packet Forwarding Engine flushes the shared memory buffers on the remaining FPCs and quad wide PICs To replace an FPC or quad wide PIC perform the following procedures W Remove an FPC or Quad wide PIC on page 165 W Install an FPC or Quad wide PIC on page 165 Remove an FPC or Quad wide PIC The router can have up to eight FPCs or quad wide PICs mounted vertically in the FPC card cage on the front of the chassis see Figure 1 An FPC that houses four PICs weighs about 5 Ib 1 5 kg To remove an FPC or quad wide PIC follow this p
69. 7 Do not substitute a metric nut driver or wrench A tool that does not fit the nuts exactly can damage them If a 7 16 in tool is not available use pliers or an adjustable wrench Caution 6 Using a 7 16 in nut driver or wrench loosen the nuts that secure the grounding cable lug to the grounding studs Remove the nuts washers and lug from the grounding studs Figure 57 Remove Cables from a DC Power Supply Terminal studs Cable lug Locking washers 1131 Grounding studs 7 Loosen the thumbscrew at each upper corner of the power supply faceplate using a Phillips screwdriver if necessary 8 Lift and hold up the safety interlock lever which is just below the power switch Maintain and Replace the Power Supplies Replace a DC Power Supply While holding the safety interlock lever up turn the extractor inserter counterclockwise until the power supply disengages from the backplane See Figure 58 Grasp the handle on the power supply faceplate and pull firmly to slide the unit about halfway out of the chassis Place one hand under the power supply to support it then slide it completely out of the chassis Figure 58 Remove a DC Power Supply 1129 Install a DC Power Supply To install a DC power supply follow this procedure 1 M40 Internet Router Hardware Guide Verify that the power from the DC power source is shut off Ensure that the voltage across the leads of t
70. 9 Rack Size and Strength yes dno ov M iene neta tite ber 40 Spacing oF MOUNTING Holes iuro ie deed ete oerte eve sete STE dus no ta Zeg Zeg 41 Connectiorito Butlding EDERT Aeddi bere EA shes 41 Clearance Requirements for Airflow and Hardware Maintenance eecee 42 Site Environmental Requirements o ood hes eek e e UE tete e RO tpe tbe 45 Fire safety Requirements eee dpt etapa ees t edv e EES 45 FIRGSUPPFESSION EE 45 Fire SuppressiorUEqulprierit sii on b See et reb o tta def 44 Power System Requirements and Specifications 0 00ccceeeeeeeseeeteeeetteeeeees 44 Power Supply Load Sharing Redundancy and Replacement s 45 Connection and Grounding Requirements sssssssss e 45 AC Power Cord Specifications eege 45 DC Power and Grounding Cable Specifications 46 System Power Requirements tert DEENEN ee 48 Site Electrical Wiring and Cable Guidelines ssssssssss 49 Distance Limitations for Signaling sss Radio Frequency Interference a scd oed ete e eet eth gedreet seed idee Electromagnetic Compatibility Fiber Optic and Network Cable Guidelines Multimode and Single Mode Pier Attenuation and Dispersion c ccc eeseeeeeeeeeeeeeeeeeeeees Power Budget Calculation ecceeeeeeeeetteeerteeenees 7 Power Margin Calculation 4 ehe te beet enter e eee ie teh Attenuate to Prevent Saturation at SONET SDH Pics 55 Routing Engine Interface Cable and Wire Specifications 0 0 0 0 e
71. BF MTU multicast Multiprotocol Label Switching Small random variation introduced into the value of a timer to prevent multiple timer expirations from becoming synchronized See forwarding table Sequence of routers that cooperatively perform MPLS operations for a packet stream The first router in an LSP is called the ingress router and the last router in the path is called the egress router An LSP is a point to point half duplex connection from the ingress router to the egress router The ingress and egress routers cannot be the same router See MPLS See LSR Communication path between two neighbors A link is up when communication is possible between the two end points Packets that contain information about the state of adjacencies to neighboring systems See label switched path LSP and link state PDU LSP Label switching router A router on which MPLS and RSVP are enabled and is thus capable of processing label switched packets See subnet mask Internet multicast backbone An interconnected set of subnetworks and routers that support the delivery of IP multicast traffic The MBone is a virtual network that is layered on top of sections of the physical Internet Multiple exit discriminator Optional BGP path attribute consisting of a metric value that is used to determine the exit point to a destination when all other factors in determining the exit point are equal Network topology in which devices are organize
72. Brackets on page 94 Follow this procedure a Select the height in the rack at which to mount the C bracket The M40 router is 55 in 89 cm or 20 U high so if you are mounting two routers in the rack leave at least that much distance between the C bracket shelf and both the top and bottom cross pieces of the rack b As you stand in front of the rack position the C bracket so that the shelf is protruding toward you and align the C bracket mounting holes with holes in the rack rails If you are front mounting the router install the C bracket into the rack from the rear Make sure the mounting holes on both sides are parallel c Insert and tighten the provided screws 2 Ifyou are center mounting the router attach a center mounting ear to either side of the chassis For information about the center mounting ears see Rack Mounting Brackets on page 94 5 If desired attach a lifting handle on either side of the chassis see Rack Mounting Brackets on page 94 Install the Router and Configure Software Install the Router without Using a Mechanical Lift 4 Prepare to lift the router W A person stands on either side of the chassis Each grasps the side edge of the FPC card cage with one hand and either grasps the lifting handle with the other hand or places the other hand under the chassis near the rear W A third person stands behind the chassis and lifts from under it with both hands 5 Liftthe chassis and p
73. CB and all the FPCs install into the backplane from the front of the chassis The backplane contains a temperature sensor and is cooled by three fans operating in unison It also contains an EEPROM that stores the serial number and revision level of the backplane The backplane performs the following functions W Power distribution The backplane distributes power to all router components from the power supplies attached to it W Signal connectivity The backplane transports the signals exchanged by system components for monitoring and control purposes W Management of shared memory on the FPCs One Distributed Buffer Manager ASIC on the backplane uniformly allocates incoming data packets throughout shared memory on the FPCs W Transfer of outgoing data cells to the FPCs A second Distributed Buffer Manager ASIC on the backplane passes data cells to the FPCs for reassembly into packets when the data is ready to be transmitted Figure 3 The Backplane Backplane 1048 Physical Interface Cards PICs Physical Interface Cards PICs are housed on Flexible PIC Concentrators FPCs and physically connect the router to network media For information about FPCs see Flexible PIC Concentrators FPCs on page 11 The router supports various PICs including ATM Channelized OC 12 STM 4 Gigabit Ethernet and SONET SDH interfaces Up to four PICs install in each FPC The PIC slots ar
74. Do not stare into the laser beam or view it directly with optical instruments Waarschuwing Niet in de straal staren of hem rechtstreeks bekijken met optische instrumenten Warning Varoitus l katso s teeseen l k tarkastele sit suoraan optisen laitteen avulla Attention Ne pas fixer le faisceau des yeux ni l observer directement l aide d instruments optiques Warnung Nicht direkt in den Strahl blicken und ihn nicht direkt mit optischen Ger ten pr fen Avvertenza Non fissare il raggio con gli occhi n usare strumenti ottici per osservarlo direttamente Advarsel Stirr eller se ikke direkte p strlen med optiske instrumenter Aviso N o olhe fixamente para o raio nem olhe para ele directamente com instrumentos pticos jAdvertencia No mirar fijamente el haz ni observarlo directamente con instrumentos pticos Varning Rikta inte blicken in mot str len och titta inte direkt p den genom optiska instrument Q M40 Internet Router Hardware Guide Safety Guidelines and Warnings Radiation From Open Port Apertures Warning Because invisible radiation may be emitted from the aperture of the port when no fiber cable is connected avoid exposure to radiation and do not stare into open apertures Waarschuwing Aangezien onzichtbare straling vanuit de opening van de poort kan komen als er geen fiberkabel aangesloten is dient blootstelling aan straling en het kijken in open openingen vermeden te worden Warning
75. Engine 29 MIB II process software module in Routing Engine 29 modal dispersion in fiber optic cable s ssssssiieea 50 mode loss Higher Ord Gti cs da ea rrt eerte 50 multicast routing protocols cece eetteeeeeees 26 multimode fiber optic cable See cable fiber optic Pline button fOr PPC ze aote e er etat 18 Index Index Packet Forwarding Engine architectural components ssssssese 32 ASICs diagram of 32 COMPONEN S eege pester fe ty ted ete teased 9 cooling subsystem See lower impeller assembly upper impeller assembly data How through iudei ee ere nt ete 55 packing crate See shipping crate Physical Interface Card See PIC PIC ASIC O irai iita ui oie e MED REA 10 cable installation instructions 0 eee 184 removal instructions cece 183 tools required iesen EE 181 COMPONENTS e ste haley eL he s Ma 11 description hardware and function 10 E1 pinouts for RJ 48 cable eee 208 Fast Ethernet 12 port pinouts for RJ 21 cable 211 installation instructions ele E 165 regulate nc rre eg 168 LED Sots estote Pe e edet be pt aee Ent 11 DS HEES Aene pel ette 162 removal instructions ele EE 163 Tegulafz iso ons diet Melo cere ids 167 Serial GER IEREN e pare pertes 217 SONET SDH alarm ressageszc onere p antis 192 power budget calculating ee 51 Status CHECKING ss 5 ate tet teet 162 T1 pinouts for RJ 48 cable eee 208 tools re
76. Engine Interface Cable and Wire Specifications on page 55 Figure 47 Routing Engine Interface Ports on the Craft Interface FAL O OK FAL O OK FAL O OK FAL O OK 5 6 W FAIL O OK FAIL O OK FAIL O OK 0 1 23 ALARM Ne T Hm venu Al Ee ENGINE NO Oo a orm m CONSOLE NC Oo CUTOFF C YELLOW v MANAGEMENT ol jo NO E ALARM v ETHERNET AUXILIARY D m Routing Engine ports 1065 Alarm relay contacts To connect external devices perform the procedures described in the following sections W Connect to a Network for Out of Band Management on page 120 E Connect to a Management Console or Auxiliary Device on page 120 W Connect to an External Alarm Reporting Device on page 121 Install the Router and Configure Software Connect the Router to Management and Alarm Devices Connect to a Network for Out of Band Management Connect the Routing Engine to a network for out of band management through the MANAGEMENT ETHERNET port on the craft interface One cable with RJ 45 RJ 45 connectors is provided with the router as detailed in Routing Engine Interface Cable and Wire Specifications on page 53 Follow this procedure 1 Plug one end of the Ethernet cable the connector is shown in Figure 48 into th
77. Engine connector from the top of the drive You might need a small pair of pliers to grip the Routing Engine connector Using a Phillips screwdriver unscrew the screws on the metal housing three on each side Slide the LS 120 drive out of its bay Slide the replacement LS 120 drive into the empty bay Reattach the power connector and the Routing Engine connector Using a Phillips screwdriver tighten the screws along both sides of the metal housing Return the Routing Engine housing to the chassis For instructions see Install the Routing Engine Housing on page 175 Figure 85 Remove the LS 120 Drive from the Routing Engine Housing M40 Internet Router Hardware Guide 1071 Maintain and Replace Cables and Connectors This chapter describes how to maintain and replace cables and connectors W Tools and Parts Required on page 181 W Cable Specifications on page 182 W Maintain PIC Cables on page 182 W Replace PIC Cables on page 185 W Replace Power Supply Cables on page 185 W Replace Cables and Wire Connecting to Routing Engine Interface Ports on page 186 Tools and Parts Required To replace network and power cords cables and wiring you need the following tools and parts W Phillips screwdrivers numbers 1 and 2 W Phillips screwdriver 2 5 mm for alarm relay contacts E Flat blade screwdriver 2 5 mm for serial cable connector W ESD grounding wrist strap W Wire cutter
78. IC Field replaceable unit Router component that customers can replace onsite M40 Internet Router Hardware Guide HDLC hold time host subsystem IANA ICMP IDE IEC IEEE IETF IGMP IGP import interface routes IP IS IS ISO ISP ITU Glossary High level data link control An International Telecommunication Union ITU standard for a bit oriented data link layer protocol on which most other bit oriented protocols are based Maximum number of seconds allowed to elapse between the time a BGP system receives successive keepalive or update messages from a peer Provides routing and system management functions of the router Consists of a Routing Engine and an adjacent Control Board CB Internet Assigned Numbers Authority Regulatory group that maintains all assigned and registered Internet numbers such as IP and multicast addresses See also NIC Internet Control Message Protocol Used in router discovery ICMP allows router advertisements that enable a host to discover addresses of operating routers on the subnet Integrated Drive Electronics Type of hard disk on the Routing Engine International Electrotechnical Commission See ISO Institute of Electronic and Electrical Engineers International professional society for electrical engineers Internet Engineering Task Force International community of network designers operators vendors and researchers concerned with the evolution of the
79. If after powering on the power supply you must power it off wait at least 60 seconds After powering off a power supply wait 60 seconds before turning it back on 5 Press the second power switch to the ON position and observe the LEDs on the second power supply faceplate They should light as described in Step 4 If the LEDs are not lit in the appropriate pattern after 60 seconds repeat the power supply installation procedures described in Install an AC Power Supply on page 158 and the previous steps in this procedure 6 Onthe management device monitor the startup process to verify that the system has booted properly Replace a DC Power Supply A DC powered router has two load sharing redundant DC power supplies Each power supply is hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 When one power supply fails or is powered down the other power supply automatically assumes the entire electrical load for the router To replace a DC power supply perform the following procedures W Remove a DC Power Supply on page 142 W Install a DC Power Supply on page 144 Maintain and Replace the Power Supplies Replace a DC Power Supply Remove a DC Power Supply The DC power supplies are located at the bottom rear of the chassis see Figure 2 Each DC power supply weighs approximately 20 Ib 9 kg Do not leave a power supply slot empty for more than a short time while the r
80. LED on the craft interface lights check the LCD on the craft interface for the source of the problem The display reports the number of alarm conditions and the source of each alarm For a list of messages see Hardware and Interface Alarm Messages on page 192 Issue the following CLI command for more information about the source of an alarm condition user host gt show chassis alarms Issue the following command to check the status of the fans and impellers To check the status of the impellers and fans issue the show chassis environment command The output refers to the Top and Bottom impellers and to the individual fans in the fan tray as the Rear Left Fan Rear Center Fan and Rear Right Fan user host gt show chassis environment Class Item Status Measurement Fans Top Impeller OK Spinning at normal speed Bottom Impeller OK Spinning at normal speed Rear Left Fan OK Spinning at normal speed Rear Center Fan OK Spinning at normal speed Rear Right Fan OK Spinning at normal speed For further description of the output from the command see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management Place your hand near the exhaust at the upper rear of the chassis to determine whether the impellers and fans are expelling air If both power supplies have failed the system temperature might have exceeded the threshold causing the system to shut down See All LEDs on Bo
81. M see Figure 47 A system condition that triggers the red or yellow alarm LED on the craft interface also activates the corresponding alarm relay contact The alarm relay contacts accept wire of any gauge between 28 AWG and 14 AWG 0 09 and 2 09 mm wire which is not provided Use the gauge of wire appropriate for the external device that you are connecting to the contacts To connect an external device to an alarm relay contact follow this procedure 1 Prepare the required length of wire with gauge between 28 AWG and 14 AWG 0 09 and 2 09 mm 2 Usea2 5 mm Phillips screwdriver to loosen the small screws on the faceplate of the appropriate alarm relay contact the upper contact for a device that reports high priority red alarms or the lower contact for the device that reports lower priority yellow alarms 3 Insert wires into the appropriate slots in the front of the relay contact NC means normally closed C means common and NO means normally open 4 Attach the other end of the wires to the external device To attach a reporting device for the other kind of alarm repeat Steps 1 through 4 Connect PIC Cables Now plug network cable into the PICs housed in the FPCs For information about the cable used by the PICs supported on the M40 router see the M20 and M40 Internet Routers PIC Guide To connect the PIC cables into the PIC cable connectors at the front of the chassis follow this procedure 1 H
82. MAO Internet Juniper Networks Inc 1194 North Mathilda Avenue Sunnyvale CA 94089 USA 408 745 2000 www juniper net Part Number 530 007249 01 Revision 4 Router Hardware Guide This product includes the Envoy SNMP Engine developed by Epilogue Technology an Integrated Systems Company Copyright 1986 1997 Epilogue Technology Corporation All rights reserved This program and its documentation were developed at private expense and no part of them is in the public domain This product includes memory allocation software developed by Mark Moraes copyright 1988 1989 1993 University of Toronto This product includes FreeBSD software developed by the University of California Berkeley and its contributors All of the documentation and software included in the 4 4BSD and 4 4BSD Lite Releases is copyrighted by The Regents of the University of California Copyright 1979 1980 1983 1986 1988 989 1991 1992 1993 1994 The Regents of the University of California All rights reserved GateD software copyright 1995 The Regents of the University All rights reserved Gate Daemon was originated and developed through release 3 0 by Cornell University and its collaborators Gated is based on Kirton s EGP UC Berkeley s routing daemon routed and DCN s HELLO routing protocol Development of Gated has been supported in part by the National Science Foundation Portions of the GateD software copyright 1988 Regen
83. OMPONENTS t Sit tasted ur o ME 4 Ge EE ER FAN DESST eter dle t Psp 25 impeller assemblies eeeeeeetees 23 Ee EE 45 regulatory compliance 55 relative humidity acceptable cere 45 removal instructions AGC DOWEE COD e ette D nu 140 AC power supply during initial installation ssse 101 for maintenance or replacement 157 air filter during initial installation ssse 107 for maintenance or replacement 154 alarm relay contact wire 0 0 0 0 188 cable auxiliary or console port on craft interfaces tete rp ted Lee EA 187 Ethernet port on craft Interface 186 management System ausiceeeceteee e 104 ig c eg gegen souks aca kt caeunlsaaceatat 183 DC power and grounding cables 147 DC power supply during initial installation ssse 101 for maintenance or replacement 142 fan tray during initial installation ssse 105 for maintenance or replacement 156 FPC during initial Installatton 105 for maintenance or replacement 165 lower impeller assembly during initial Installatton 108 for maintenance or replacement 158 s SEL ONE tecti o rec EE 180 PIC quad wide regulapa 4 eet sterne PW ppt ves ipea Routing ENSIN E eere ttn enti ien 177 Routing Engine housing during initial Installatton 102 for maintenance or replac
84. PCs After the SCB decides how to forward a packet the I O Manager ASIC on the FPC reassembles the corresponding data cells back into network packet form and passes the packet to the appropriate PIC for transmission to the network For more information see Data Flow through the Packet Forwarding Engine on page 55 FPCs are hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 When you remove or install an FPC packet forwarding halts for about 200 ms while the Packet Forwarding Engine adjusts to the change in the amount of memory available in the pool located on and shared by all FPCs When you install an FPC into a functioning router press its offline button to activate it and the PICs installed in it The Routing Engine downloads the FPC software the FPC runs its diagnostics and the PICs housed on the FPC are enabled Forwarding continues uninterrupted during this process For FPC replacement instructions see Replace an FPC or Quad wide PIC on page 163 Hardware Component Overview o Packet Forwarding Engine The PICs that install on both types of FPC are also hot removable and hot insertable For more information see Physical Interface Cards PICs on page 10 Figure 4 FPC Installed in Slot FPC7 FPC Components FAIL O D OK 1059 Each FPC contains the following components o M4
85. Reinstall the SCB Extractor clip Thumbscrew La SEIS E D Og U DCH 0 ge 0 de U UC td KS EE mad 1049 Install the Router and Configure Software Install the Router without Using a Mechanical Lift Reinstall the FPCs The FPCs install into the card cage at the front of the chassis as shown in Figure 1 To help you work systematically the following procedure directs you to reinstall FPCs starting at the left side of the card cage and working toward the right You can install FPCs in any order however Be sure there is a blank panel over every empty slot The blank panels must be in place during router operation to guarantee adequate circulation of cooling air To reinstall the FPCs follow this procedure 1 M40 Internet Router Hardware Guide Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Locate the leftmost slot in the FPC card cage on the front of the chassis It is directly above the offline button on the craft interface that is labeled O zero Locate the FPC that you labeled O during removal Verify that the ends of the extractor clips which are located at each end of the FPC are pushed outward toward the ends of the FPC Grasp the front of the FPC with both hands and align the rear of the card carrier with the sl
86. Sie die Installationsanweisungen bevor Sie das System an die Stromquelle anschlie en Avvertenza Consultare le istruzioni di installazione prima di collegare il sistema all alimentatore Advarsel Les installasjonsinstruksjonene f r systemet kobles til str mkilden Aviso Leia as instru es de instala o antes de ligar o sistema sua fonte de energia jAtenci n Ver las instrucciones de instalaci n antes de conectar el sistema a la red de alimentaci n Varning L s installationsanvisningarna innan du kopplar systemet till dess str mf rs rjningsenhet M40 Internet Router Hardware Guide Safety Guidelines and Warnings Rack Mounting Requirements and Warnings Warning Ensure that the equipment rack into which the router is installed is evenly and securely supported to avoid the hazardous condition that could result from uneven mechanical loading To prevent bodily injury when mounting or servicing the router in a rack take the following precautions to ensure that the system remains stable The following directives help maintain your safety The router must be installed into a rack that is secured to the building structure The router should be mounted at the bottom of the rack if it is the only unit in the rack When mounting the router in a partially filled rack load the rack from the bottom to the top with the heaviest component at the bottom of the rack If the rack is provided with stabilizing devices
87. UP PIES SION sete oio e pretend ve ee bes EMP it eoe teet de tp EAR environmental specifications ssssssese ESD preventing damage to components by 91 Ethernet port on craft interface cable connecting during initial installation 120 replacement instructions 00 ees 186 SPECI CAH OMS E 53 GESCLIPUON eie ts ci See rn ied gite tatit put 19 ETSI rack standardse e ttt rtp tend 40 exception packets handling of 15 fan tray description hardware and function 25 installation instructions during initial installation for maintenance or replacement hs mmalntenance zie edere er e dete eee eu removal instructions during initial Installatton 105 for maintenance or replacement 156 tools required osea Sept rho 155 troubleshooting xc sco E 198 WOIBli acit an de A e E Pon ie 99 fan power supply adita uei deett gendi ipte ecu 25 Fast Ethernet 12 port PIC pinouts for RJ 21 cable 211 field replaceable Units 0 eee cence eeeteentteeeenes 4 fire salety specificatioris een eei teer e e 45 Flexible PIC Concentrator See FPC forwarding tables seemed tenens 28 FPC ASICS OD consteur tuere Du Ld cede iso e 12 bl nk panels 2 2 de norat ten c en EPA 11 COMPONENTS atie ee hts chine ege ean 12 description hardware and function 11 installation instructions during initial installation ee 114 for maintenance or replacement
88. W Maintain the Impeller Assemblies on page 157 E Replace the Lower Impeller Assembly on page 158 W Replace the Upper Impeller Assembly on page 159 Tools and Parts Required You need the following tools and parts to replace cooling system components W Phillips screwdrivers numbers 1 and 2 W ESD grounding wrist strap E Electrostatic bag or antistatic mat for each component removed Maintain and Replace Cooling System Components o Maintain and Replace the Air Filter Maintain and Replace the Air Filter Check the air filter regularly for dust and debris replacing it as necessary The air filter is hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 Take note of the following caution however Do not operate the router for more than a few minutes when the air filter has been removed The fans and impellers are powerful enough to draw in foreign material such as bits of wire through the unfiltered air intake which could damage router components Caution See the following sections W Remove the Air Filter on page 154 W Install the Air Filter on page 155 Remove the Air Filter The air filter is located below the craft interface at the front of the chassis see Figure 1 The air filter weighs less than 0 5 Ib 0 2 kg and you must remove it in order to remove the lower impeller assembly To remove the air filter use the following procedure see Figure 67 1 Attach an
89. a management console The ports are configured as data terminal equipment DTE For more information see Routing Engine LEDs and Interface Ports on page 19 Table 25 describes the DB 9 connector pinouts Table 25 DB 9 Connector Pinout Pin Signal Direction Description 1 DCD lt Carrier Detect 2 RxD lt Receive Data 3 TxD gt Transmit Data 4 DTR gt Data Terminal Ready 5 Ground Signal Ground 6 DSR lt Data Set Ready 7 RTS gt Ready to Send 8 CTS lt Clear to Send 9 RING lt Ring Indicator E1 and T1 RJ 48 Cable Pinouts The El and T1 PICs use an RJ 48 cable which is not supplied with the PIC To maintain agency approvals use only a properly constructed shielded cable The following tables describe the RJ 48 connector pinouts W Table 26 RJ 48 Connector to RJ 48 Connector Straight Pinout on page 209 W Table 27 RJ 48 Connector to RJ 48 Connector Crossover Pinout on page 209 W Table 28 RJ 48 Connector to DB 15 Connector Straight Pinout on page 210 W Table 29 RJ 48 Connector to DB 15 Connector Crossover Pinout on page 210 M40 Internet Router Hardware Guide Table 26 RJ 48 Connector to RJ 48 Connector Straight Pinout Cable Connectors and Pinouts RJ 48 Pin on T1 E1 PIC RJ 48 Pin Data numbering form Data numbering form Signal 1 1 RX Ring 2 2
90. aardverbinding altijd het eerste WI amig worden gemaakt en het laatste worden losgemaakt Varoitus Laitetta asennettaessa on maahan yhdist minen aina teht v ensiksi ja maadoituksen irti kytkeminen viimeiseksi Attention Lors de l installation de l appareil la mise la terre doit toujours tre connect e en premier et d connect e en dernier Warnung Der Erdanschlub mu bei der Installation der Einheit immer zuerst hergestellt und zuletzt abgetrennt werden Avvertenza In fase di installazione dell unit eseguire sempre per primo il collegamento a massa e disconnetterlo per ultimo Advarsel Nar enheten installeres ma jordledningen alltid tilkobles f rst og frakobles sist Aviso Ao instalar a unidade a liga o terra dever ser sempre a primeira a ser ligada e a ltima a ser desligada jAdvertencia Al instalar el equipo conectar la tierra la primera y desconectarla la ultima Varning Vid installation av enheten m ste jordledningen alltid anslutas f rst och kopplas bort sist Regulatory Compliance and Safety Information Qo Safety Guidelines and Warnings DC Power Wiring Sequence Warning Wire the DC power supply using the appropriate lugs When connecting power the proper wiring sequence is ground to ground RTN to RTN then 48 V to 48 V When disconnecting power the proper wiring sequence is 48 V to 48 V RTN to RTN then ground to ground Note that the ground wire should always be connect
91. aces some of the chassis components system management and user access to the router Common database of routes learned from one or more routing protocols All routes are maintained by the JUNOS routing protocol process JUNOS software routing protocol process daemon User level background process responsible for starting managing and stopping the routing protocols on a Juniper Networks router Reverse path multicasting Routing algorithm used by DVMRP to forward multicast traffic Resource Reservation Protocol Resource reservation setup protocol designed to interact with integrated services on the Internet Session Announcement Protocol Used with multicast protocols to handle session conference announcements Segmentation and reassembly Buffering used with ATM Synchronous Digital Hierarchy CCITT variation of SONET standard Session Description Protocol Used with multicast protocols to handle session conference announcements Synchronous dynamic random access memory See SSH See SPF An interface that assumes that packets it receives from itself are the result of a software loopback process The interface does not consider these packets when determining whether the interface is functional Simple Network Management Protocol Protocol governing network management and the monitoring of network devices and their functions Synchronous Optical Network High speed up to 2 5 Gbps synchronous network specification deve
92. age them If a 7 16 in tool is not available use pliers or an adjustable wrench Caution 11 If the protective shield is installed over the power supply terminals use a Phillips screwdriver to loosen and remove the screws that secure the shield to the power supply see Figure 60 Figure 60 Remove the Protective Shield from the Terminal Studs Protective shield ies ERA Washer 1130 Maintain and Replace the Power Supplies Replace a DC Power Supply 12 Slide the power cable lugs onto the terminal studs on the power supply faceplate see Figure 61 W Connect the positive source cable lug to the return terminal which is labeled RTN W Connect the negative source cable lug to the input terminal which is labeled 48V Run the power cables to the left on the left power supply and to the right on the right power supply This arrangement enables you to replace a power supply without having to detach the cables from the other power supply There is no standard color coding for DC power cables The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that attach to the circuit breaker box You must ensure that the connections at the circuit breaker box maintain the proper polarity The power source DC cables might be labeled and to indicate their polarity Caution Figure 61 Attach Cables to a DC Power Supply Termi
93. aling for MPLS paths JUNOS Internet Software Overview o Routing Engine Software Components Routing and Forwarding Tables The primary function of the JUNOS routing protocol process is maintaining routing tables and using the information in them to determine active routes to network destinations It copies information about the active routes into the Routing Engine s forwarding table which the JUNOS kernel copies to the Packet Forwarding Engine By default the routing protocol process maintains the following routing tables and uses the information in each table to determine active routes to network destinations E Unicast routing table Stores routing information for all unicast protocols running on the router including BGP IS IS OSPF and RIP You can also configure additional routes such as static routes for inclusion in the routing table The unicast routing protocols use the routes in this table when advertising routing information to their neighbors In the unicast routing table the routing protocol process designates routes with the lowest preference values as active By default a route s preference value is simply a function of how the routing protocol process learned about the route You can modify the default preference value by setting routing policies and configuring other software parameters See Routing Policy on page 28 W Multicast routing table cache Stores routing information for all multicast protocol
94. ansceiver and the end of each cable Do not look directly into the ends of fiber optic cables or into the transceivers on the PIC faceplate Single mode fiber optic cable and the PICs that use it such as ATM and SONET SDH interfaces emit laser light that can damage your eyes Warning Maintain and Replace Packet Forwarding Engine Components Replace an FPC or Quad wide PIC Figure 76 Install an FPC Q M40 Internet Router Hardware Guide Insert the appropriate cables into the cable connector ports on each PIC on the FPC Secure the cables so that they are not supporting their own weight Place excess cable out of the way in a neatly coiled loop using the cable management system Placing fasteners on a loop helps to maintain its shape Do not let cable hang free from the connector Do not allow fastened loops of cable to dangle from the ladder rack because this stresses the cable at the fastening point Caution Avoid bending fiber optic cable beyond its minimum bend radius An arc smaller than a few inches in diameter can damage the cable and cause problems that are difficult to diagnose Press and hold the FPC offline button on the craft interface The green LED labeled OK blinks for about 5 seconds while the Routing Engine downloads the FPC software the FPC runs its diagnostics and the PICs housed in the FPC are enabled Router forwarding operations then halt for about 200 ms while the Packet Forwarding Engine incor
95. ates National Fire Protection Association NFPA70 United States National Electrical Code m Canada Canadian Electrical Code Part 1 CSA C22 1 m Other countries International Electromechanical Commission IEC 60564 Part 1 through Part 7 m Evaluated to the TN and IT power systems W Locate the emergency power off switch for the room in which you are working so that if an electrical accident occurs you can quickly turn off the power W Do not work alone if potentially hazardous conditions exist anywhere in your workspace W Never assume that power is disconnected from a circuit Always check the circuit before starting to work M40 Internet Router Hardware Guide Safety Guidelines and Warnings E Carefully look for possible hazards in your work area such as moist floors ungrounded power extension cords and missing safety grounds E Operate the router within marked electrical ratings and product usage instructions W For the router and peripheral equipment to function safely and correctly use the cables and connectors specified for the attached peripheral equipment and make certain they are in good condition Many router components can be removed and replaced without powering down or disconnecting power to the router as detailed in Field Replaceable Units FRUs on page 4 Never install equipment if it appears damaged AC Power Electrical Safety Guidelines The following electrical safety guidelines apply to
96. aulty power supply with a spare For instructions see Replace an AC Power Supply on page 156 and Replace a DC Power Supply on page 141 If the LEDs light correctly on the spare the original power supply is faulty Return it to Juniper Networks for replacement as described in Return the Router or Its Components on page 215 5 If the spare power supply also does not work connect the router to a different power source You might also try replacing the power cord on an AC powered router or power cable on a DC powered router For instructions see Disconnect and Connect AC Power on page 140 and Disconnect and Connect DC Power on page 147 If you cannot determine the cause of the problem or need additional assistance see Juniper Networks Technical Assistance Center on page 194 M40 Internet Router Hardware Guide Troubleshoot the Cooling System The router s cooling system comprises two separate subsystems W Upper and lower impeller assemblies Cool the Packet Forwarding Engine components backplane SCB FPCs and PICs The lower impeller assembly is located behind the craft interface at the front the chassis see Figure 1 and the upper assembly is located above the fan tray at the rear of the chassis see Figure 2 Each assembly houses two impellers for redundancy The assemblies are not interchangeable W Fan tray Cools the Routing Engine and backplane The tray houses three fans for redundancy and is located ab
97. ave ready a length of the type of cable used by the PIC 2 Ifthe PIC cable connector port is covered by a rubber safety plug remove the plug Do not look directly into the ends of fiber optic cables or the transceivers on the faceplate of a PIC that connects to fiber optic cable Single mode fiber optic cable and the PICs that use it such as ATM or SONET SDH emit laser Warning light that can damage your eyes Do not leave a transceiver uncovered except when removing or inserting the cable The safety cap keeps the port clean and prevents accidental exposure to laser light 5 Insert the cable connector into the cable connector port on the PIC faceplate see Figure 50 which shows a fiber optic connector Install the Router and Configure Software o Provide Power to the Router 4 Carefully thread the cable through the hooks in the cable management system at the upper front of the chassis see Figure 1 to prevent the cable from dislodging or developing stress points Secure the cable so that it is not supporting its own weight as it hangs to the floor Place excess cable out of the way ina neatly coiled loop in the cable management system Placing fasteners on the loop helps to maintain its shape Avoid bending fiber optic cable beyond its minimum bend radius An arc smaller than a few inches in diameter can damage the cable and cause problems that are difficult to diagnose Caution Never let fiber optic cable hang free f
98. ber safety cap Carefully thread each disconnected cable through the hooks in the cable management system to prevent the cables from developing stress points Do not look directly into the ends of fiber optic cables or into the transceivers on the PIC faceplate Single mode fiber optic cable and the PICs that use it such as ATM and SONET SDH interfaces emit laser light that can damage your eyes Warning Do not leave a transceiver uncovered except when removing or inserting the cable The safety cap keeps the port clean and prevents accidental exposure to laser light Unscrew the thumbscrew at each end of the FPC using a Phillips screwdriver if necessary Pull the ends of the extractor clips which are adjacent to the thumbscrews outward toward the ends of the FPC see Figure 75 Grasp the FPC with both hands and slide it about halfway out of the chassis Place one hand underneath the FPC to support it and slide it completely out of the chassis Set the FPC on the antistatic foam mat prepared in Step 1 To avoid damaging any components use extra care when laying the FPC on the antistatic mat particularly if the mat is not made of foam Caution Do not stack the FPC on top of or under any other component Replace an FPC or Quad wide PIC 10 If you are removing or replacing PICs on the FPC see Replace a PIC on page 167 11 If you are not immediately reinstalling an FPC into the slot cover the slot with a
99. ble hang free from the connector Do not allow fastened loops of cable to dangle which stresses the cable at the fastening point Maintain and Replace Cables and Connectors Replace PIC Cables Install a PIC Cable 1 Have ready a length of the type of cable used by the PIC as specified in the M20 and M40 Internet Routers PIC Guide Figure 86 depicts the connector on fiber optic cable Figure 86 PIC Fiber Optic Cable Connector 2 Remove the rubber safety plug from the PIC cable connector port Do not look directly into the ends of fiber optic cables or the transceivers on the faceplate of a PIC that connects to fiber optic cable Single mode fiber optic cable and the PICs that use it such as ATM and SONET SDH emit laser light that can damage your eyes Warning Do not leave a transceiver uncovered except when removing or inserting the cable The safety cap keeps the port clean and prevents accidental exposure to laser light 3 Insert the cable connector into the cable connector port on the PIC faceplate see Figure 87 which shows a fiber optic connector 4 Carefully thread the cable through in the cable management system to prevent the cable from dislodging or developing stress points Secure the cable so that it is not supporting its own weight as it hangs from the connector Place excess cable out of the way in a neatly coiled loop in the cable management system Placing fasteners on the loop helps to maintain it
100. block access to router components or drape where people could trip on it 5 Repeat Step 4 for the other power supply Connect Power to a DC Powered Router Connect power to a DC powered router by attaching power cables from external DC power sources to the terminal studs on each power supply Power and grounding cables are not supplied with the router For information about the required cable type see DC Power and Grounding Cable Specifications on page 46 The router must be connected to two separate external DC power sources one for each power supply There is no standard color coding for DC power cables The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that attach to the circuit breaker box You must ensure that the connections at the circuit breaker box maintain the proper polarity The power source DC cables might be labeled and to indicate their polarity Caution To connect DC power cables to the power supplies follow this procedure 1 Ensure that the voltage across the leads of the DC power cables that you are connecting to the circuit breaker box is O V and that there is no chance that the cable leads might become active during installation 2 Verify that a licensed electrician has attached the cable lugs provided with the router to the grounding and power cables Install the Router and Configure Software Provide Power to t
101. but do not enable it to forward traffic For complete information about the commands to issue in Step 13 including examples see the JUNOS Internet software configuration guides Install the Router and Configure Software Configure the JUNOS Internet Software M40 Internet Router Hardware Guide Hardware Maintenance and Replacement Procedures W Hardware Maintenance Overview on page 133 W Maintain and Rep W Maintain and Rep W Maintain and Rep B Maintain and Rep W Maintain and Rep ace the Power Supplies on page 155 ace Cooling System Components on page 155 ace Packet Forwarding Engine Components on page 161 ace Routing Engine Components on page 175 ace Cables and Connectors on page 181 M40 Internet Router Hardware Guide Hardware Maintenance Overview This chapter discusses the following procedures for maintaining the router E Routine Main tenance Procedures on page 133 W Replacing FRUs on page 133 For information about returning a part to Juniper Networks for repair or replacement see Return the Router or Its Components on page 215 Routine Maintenance Procedures For optimum router performance perform the following preventive maintenance procedures on a regular basis W Inspect the installation site for potential problems caused by moisture loose wires or cables and excessive dust Make sure that airflow around the router and into the air intake vent a the bottom of the chassis front i
102. c Connector Cleaning To clean the fiber optic cable SC connection use only an approved alcohol free fiber optic cable cleaning kit such as the Opptex Cletop S Fiber Cleaner Follow the directions for the cleaning kit you use Figure 95 shows a cable cleaning kit Figure 95 Fiber optic Cable Cleaning Kit Q M40 Internet Router Hardware Guide Return the Router or Its Components This chapter discusses the following topics related to returning parts for repair or replacement W Return Procedure on page 215 W Locate Component Serial Numbers on page 216 W Pack the Router for Shipment on page 220 W Pack Components for Shipment on page 221 Return Procedure When you need to return a component follow this procedure 1 Determine the part number and serial number of the component For instructions see Locate Component Serial Numbers on page 216 2 Obtain a Return Materials Authorization RMA number from the Juniper Networks Technical Assistance Center JTAC You can send e mail to support juniper net or call 1 888 314 JTAC within the United States or 1 408 745 9500 from outside the United States Provide the following information in your e mail message or during the telephone call W Part number and serial number of component W Your name organization name telephone number and fax number W The shipping address for the replacement component including contact name and phone number W Description of the failure T
103. cations Description Specification Maximum power output 1500 W Input voltage 180 264 VAC operating range Input line frequency 50 60 Hz autoranging Input current rating 8A 208V Output voltage 3 3V 5V 2 5V 12V 24V Hardware Component Overview o Power Supplies DC Power Supply A DC powered router has two load sharing DC power supplies located at the bottom rear of the chassis as shown in Figure 2 Each power supply has an internal circuit breaker Figure 9 shows the power supply and Table 9 lists electrical specifications For information about the LEDs on the power supply see Power Supply LEDs on page 22 Figure 9 DC Power Supply Captive Handle Extractor inserter screw Power terminals Power switch Status LEDs 1038 Safety interlock lever Grounding studs Table 9 DC Power Supply Electrical Specifications Description Specification Maximum power output 1500 W Input voltage 40 through 75 VDC operating range Input current rating 55A 48V Output voltage t 5 5V 5V 2 5V 12V 24V Power Supply LEDs Table 10 describes the LEDs on both AC and DC power supplies Table 10 States for Power Supply LEDs Description On steadily Power supply is functioning normally input is occurring outputs are within range temperature is within range and fans are operational FAIL Red On steadily Power supply has failed M40 I
104. cations on page 46 W System Power Requirements on page 48 o M40 Internet Router Hardware Guide Power System Requirements and Specifications Power Supply Load Sharing Redundancy and Replacement When two power supplies are installed they are redundant sharing the electrical load equally if both supplies are operational If one power supply stops functioning for any reason the remaining power supply instantly begins providing all the power the router needs for normal functioning and can provide full power indefinitely Power supplies are hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 For replacement instructions see Replace an AC Power Supply on page 136 and Replace a DC Power Supply on page 141 Connection and Grounding Requirements On an AC powered router plug each power supply into a grounded 180 264 VAC power receptacle The receptacle provides the grounding for the router so no additional grounding is necessary The receptacle must be within about 8 ft 2 5 m of the router and must be easily accessible On a DC powered router connect each power supply to a separate dedicated DC power source Most sites distribute DC power through a main conduit that leads to frame mounted DC power distribution panels one of which might be located at the top of the rack that houses the router A pair of cables one input and one return connects each power supply to the power di
105. ce the Routing Engine Figure 83 Remove the Routing Engine E ug ps Wu LLLI SE EE 22 gt D T s z e DEEN ET CARD Install the Routing Engine To install the Routing Engine in the Routing Engine housing follow this procedure see Figure 82 1 Q M40 Internet Router Hardware Guide Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Verify that the extractor clip at each end of the Routing Engine is flipped toward the outer edge of the unit If necessary use your thumbs to push and hold the red tab on each extractor clip toward the outer edge then push the ends of the extractor clips outward Place one hand under the Routing Engine to support it and grasp one of the extractor clips on the faceplate with the other hand Align the rear of the Routing Engine with the guide rails in the Routing Engine housing and slide it in completely See Figure 84 Be careful to align the Routing Engine correctly with the guide rails and push it in evenly Damage can result if it gets lodged because of uneven movement Caution Replace the Routing Engine 5 Press the extractor clip at each end of the Routing Engine inward to seat the unit firmly in the chassis 6 If screws are installed in the extractor clips us
106. ch the cables from the other power supply Provide Power to the Router Figure 52 Attach Cables to the DC Power Supply Terminal studs Cable lug Locking washers 1131 Grounding studs 8 Secure the power cable lugs to the terminal studs first with a washer then with a nut the washers and nuts are provided with the router Using a 7 16 in nut driver or wrench tighten the nuts Do not substitute a metric nut driver or wrench A tool that does not fit the nuts exactly can damage them If a 7 16 in tool is not available use pliers or an adjustable wrench Caution 9 Verify that the source power cabling and the grounding cabling are correct that they are not touching or blocking access to router components and that they do not drape where people could trip on them 10 Replace the clear cover over the terminal studs and tighten the screws that secure it to the power supply 11 Repeat Steps 5 through 10 to reinstall the second power supply Power On the Router To power on the router follow this procedure 1 Make certain that the power supplies are fully inserted in the chassis and the thumbscrews on their faceplates are tightened 2 For both power supplies on an AC powered router make certain that the ends of the power cord are firmly plugged into the appliance inlet on the power supply faceplate and the external power source receptacle For both power supplies on a DC powered router make
107. connec o connec 4 o connec o connec 5 o connec o connec Table 29 RJ 48 Connector to DB 15 Connector Crossover Pinout RJ 48 Pin on T1 E1 PIC DB 15 Pin Data numbering form Data numbering form Signal 1 9 RX Ring lt gt TX Ring 2 1 RX Tip lt gt TX Tip 4 11 TX Ring lt gt RX Ring 5 5 TX Tip 4 lt gt RX Tip 5 4 Shield Return Ground 6 2 Shield Return Ground 7 o connec o connec 8 o connec No connect 9 o connec o connec 0 o connec No connect 1 o connec o connec 2 o connec No connect 3 o connec o connec 4 o connec No connect 5 o connec o connec Q M40 Internet Router Hardware Guide Fast Ethernet 12 port Cable Pinouts Cable Connectors and Pinouts The Fast Ethernet 12 port PIC has one VHDCI connector port on its faceplate see Figure 91 which accepts the RJ 21 cable supplied with the PIC see Figure 92 Figure 91 Fast Ethernet 12 port PIC Ethernet 10 100 BASE Tx STATUS D 909 Figure 92 VHDCI to RJ 21 Cable Ll Table 50 describes the RJ 21 cable pinouts 1801 1480 RJ 21 pin numbers 25 and 50 do not appear in the table because they are ground connectors Table 30 RJ 21 Pin Assignments Ethernet Port Numbers RJ 21 Pin Assignment
108. ct your equipment in the event of a fire emergency Juniper Networks products should be installed in an environment suitable for electronic equipment We recommend that fire suppression equipment be available in the event of a fire in the vicinity of the equipment and that all local fire safety and electrical codes and ordinances be observed when installing and operating your equipment Fire Suppression In the event of an electrical hazard or an electrical fire you should first turn power off to the equipment at the source Then use a Type C fire extinguisher which uses noncorrosive fire retardants to extinguish the fire For more information about fire extinguishers see Fire Suppression Equipment on page 44 Prepare the Site o Power System Requirements and Specifications Fire Suppression Equipment Type C fire extinguishers which use noncorrosive fire retardants such as carbon dioxide CO5 and Halotron are most effective for suppressing electrical fires Type C fire extinguishers displace the oxygen from the point of combustion to eliminate the fire For extinguishing fire on or around equipment that draws air from the environment for cooling you should use this type of inert oxygen displacement extinguisher instead of an extinguisher that leave residues on equipment Do not use multipurpose Type ABC chemical fire extinguishers dry chemical fire extinguishers near Juniper Networks equipment The primary ingredient in th
109. ctions for returning the router or components and a glossary of terms W Part 6 Index provides an index of the manual List of Technical Publications Table 1 lists the software and hardware books for Juniper Networks routers and describes the contents of each book Table 1 Juniper Networks Technical Documentation Book Description JUNOS Internet Software Configuration Guides Feature Guide Provides a detailed explanation and configuration examples for several of the most complex features in the JUNOS software Getting Started Provides an overview of the JUNOS software and describes how to install and upgrade the software This manual also describes how to configure system management functions and how to configure the chassis including user accounts passwords and redundancy MPLS Applications Provides an overview of traffic engineering concepts and describes how to configure traffic engineering protocols Multicast Provides an overview of multicast concepts and describes how to configure multicast routing protocols NetworR Interfaces and Class of Service Provides an overview of the network interface and class of service functions of the JUNOS software and describes how to configure the network interfaces on the router Network Management Provides an overview of network management concepts and describes how to configure various network management features such as SNMP accounting options and cflowd
110. ctorg eem es 215 Figure 95 Fiber optic Cable Cleaning Rit eee eem nee 214 Figure 96 Serial Number ID Label eee 216 Figure 97 EPC Serial Number ID Eabel eege gefestegt els d r er 217 teure PIC Serial Number ID Label niece ee e teda tts 217 Figure 99 Power Supply Serial Number ID Label 218 Figure 100 Routing Engine 333 Serial Number ID Label 218 o M40 Internet Router Hardware Guide Figure 101 Routing Engine 600 Serial Number ID Label 219 Figure 102 Serial Number Label on the System Control Board s151ss1e1eei 219 M40 Internet Router Hardware Guide List of Tables Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab el e2 e5 e4 e5 e 6 e e8 e9 e 10 ell el e 15 e 14 e15 e16 e17 e 18 e 19 e 20 e212 e 22 e 23 e 24 e 25 e 26 e 27 e 28 e 29 e 30 Juniper Networks Technical Documentation xviii Field Replaceable Units sii etr te c bte o nei D ue Physical and Environmental Specifications States for SCB LEDS osse rere hr States for FPC LEDS sz pestis tert eb Heer Alarm LEDs and Alarm Cutoff Button States for Routing Engine LEDSs Es AC Power Supply Electrical Specifications sss DC Power Supply Electrical Specifications States for Power Supply LEDS sssssss H
111. d in a manageable segmented manner with many often redundant interconnections between network nodes Management Information Base Definition of an object that can be managed by SNMP Multiprotocol Label Switching Mechanism for engineering network traffic patterns that functions by assigning to network packets short labels that describe how to forward them through the network Also called label switching See also traffic engineering Mean time between failure Measure of hardware component reliability Maximum transfer unit Limit on packet size for a network Operation of sending network traffic from one network node to multiple network nodes See MPLS M40 Internet Router Hardware Guide neighbor NET Network Time Protocol NIC NSAP n selector NTP OC OSI OSPF package Packet Forwarding Engine PCI PCMCIA PDU PE router peer PFE Physical Interface Card PIC Glossary Adjacent system reachable by traversing a single subnetwork An immediately adjacent router Also called a peer Network entity title Network address defined by the ISO network architecture and used in CLNS based networks See NTP Network Information Center Internet authority responsible for assigning Internet related numbers such as IP addresses and autonomous system numbers See also IANA Network service access point Connection to a network that is identified by a network address Last byte of a nonclien
112. d parts to install the chassis and its components W Mechanical lift recommended W Phillips screwdrivers numbers 1 and 2 E Flat blade screwdriver 2 5 mm for serial cable connector W Phillips screwdriver 2 5 mm for alarm relay contacts W Electrostatic bags or antistatic mats one for each electronic component removed during installation without a mechanical lift E ESD grounding wrist strap Install the Router and Configure Software Install the Router Using a Mechanical Lift W Wire cutters E Pliers Install the Router Using a Mechanical Lift Using a mechanical lift to maneuver the router into the rack is recommended because of the router s size and weight The lift must be able to accommodate the router s weight approximately 280 Ib 127 kg fully configured and must fit between the support posts of the rack If you are installing two routers in one rack install the lower one first First perform the following prerequisite procedures W Place the rack in its permanent location allowing adequate clearance for airflow and maintenance and secure it to the building structure For details see Rack Requirements on page 59 W Read the information in Installation Safety Guidelines and Warnings on page 71 with particular attention to Chassis Lifting Guidelines on page 72 W Remove the router from the shipping crate as described in Prepare to Install the Router on page 89 Then perf
113. d together on an optical fiber with each signal carried on its own separate wavelength See DHCP Exchange Carriers Standards Association A standards organization created after the divestiture of the Bell System to represent the interests of interexchange carriers Exterior gateway protocol such as BGP Electronic Industries Association A United States trade group that represents manufacturers of electronics devices and sets standards and specifications Electromagnetic interference Any electromagnetic disturbance that interrupts obstructs or otherwise degrades or limits the effective performance of electronics or electrical equipment See signaled path To place routes from the routing table into a routing protocol Far end alarm and control T3 signal used to send alarm or status information from the far end terminal back to the near end terminal and to initiate T3 loopbacks at the far end terminal from the near end terminal See FPC See forwarding table JUNOS software forwarding information base FIB The JUNOS routing protocol process installs active routes from its routing tables into the Routing Engine forwarding table The kernel copies this forwarding table into the Packet Forwarding Engine which is responsible for determining which interface transmits the packets Flexible PIC Concentrator An interface concentrator on which PICs are mounted An FPC inserts into a slot in a Juniper Networks router See also P
114. d troubleshooting router hardware the JUNOS Internet software routing protocols and network connectivity CLI commands display information from routing tables information specific to routing protocols and information about network connectivity derived from the ping and traceroute utilities You enter CLI commands on one or more external management devices connected to the Routing Engine through ports on the craft interface There is a port labeled CONSOLE for attaching a system console a port labeled AUXILIARY for attaching a laptop modem or other auxiliary device and a port labeled MANAGEMENT ETHERNET for attaching to a management LAN For more information see Routing Engine LEDs and Interface Ports on page 19 For information about using the CLI to display details about alarms generated by interfaces and hardware components see Hardware and Interface Alarm Messages on page 192 Troubleshooting Overview LEDs LEDs The LEDs described in the following sections indicate the basic status of hardware components W LEDs on the Craft Interface on page 192 W LEDs on Hardware Components on page 192 LEDs on the Craft Interface The craft interface hosts LEDs and an LCD that provide status and troubleshooting information at a glance It is located on the front of the chassis below the FPC card cage see Figure 1 The LEDs on the craft interface include the following W Alarm The circular red alarm LED at the left of the c
115. de 40 C Para impedir la restricci n de la entrada de aire deje un espacio m nimo de 15 2 cm alrededor de las aperturas para ventilaci n Varning F rhindra att en Juniper Networks router verhettas genom att inte anvanda den i ett omrade dar den maximalt rekommenderade omgivningstemperaturen pa 40 C verskrids F rhindra att luftcirkulationen inskr nks genom att se till att det finns fritt utrymme pa minst 15 2 cm omkring ventilations ppningarna Regulatory Compliance and Safety Information Agency Approvals Product Disposal Warning Disposal of this product must be handled according to all national laws and regulations Waarschuwing Dit produkt dient volgens alle landelijke wetten en voorschriften te worden afgedankt Warning Varoitus T m n tuotteen lopullisesta h vitt misest tulee huolehtia kaikkia valtakunnallisia lakeja ja s nn ksi noudattaen Attention La mise au rebut d finitive de ce produit doit tre effectu e conform ment toutes les lois et r glementations en vigueur Warnung Dieses Produkt mu den geltenden Gesetzen und Vorschriften entsprechend entsorgt werden Avvertenza L eliminazione finale di questo prodotto deve essere eseguita osservando le normative italiane vigenti in materia Advarsel Endelig disponering av dette produktet m skje i henhold til nasjonale lover og forskrifter Aviso A descartagem final deste produto dever ser efectuada de acordo com os regulamentos e a leg
116. de and dense mode Protocol Independent Multicast is a multicast routing protocol used to route traffic to multicast groups that might span wide area and interdomain internetworks In PIM sparse mode routers explicitly join and leave multicast groups PIM dense mode is a flood and prune protocol m SAP SDP Session Announcement Protocol and Session Description Protocol handle conference session announcements W Traffic engineering protocols LDP Label Distribution Protocol provides a mechanism for distributing labels in non traffic engineered applications LDP allows routers to establish label switched paths LSPs through a network by mapping network layer routing information directly to data link layer switched paths LSPs created by LDP can also traverse LSPs created by Resource Reservation Protocol RSVP MPLS Multiprotocol Label Switching enables you to configure LSPs through a network either manually or dynamically You can control how traffic traverses the network by directing it through particular paths rather than relying on an IGP s least cost algorithm to choose a path m RSVP Resource Reservation Protocol Version 1 provides a mechanism for engineering network traffic patterns that is independent of the shortest path determined by a routing protocol RSVP itself is not a routing protocol but is designed to operate with current and future unicast and multicast routing protocols JUNOS RSVP software supports dynamic sign
117. des normalen Betriebs an Erde gelegt ist Avvertenza Questa apparecchiatura deve essere collegata a massa Accertarsi che il dispositivo host sia collegato alla massa di terra durante il normale utilizzo Advarsel Dette utstyret skal jordes Forviss deg om vertsterminalen er jordet ved normalt bruk Aviso Este equipamento dever estar ligado terra Certifique se que o host se encontra ligado terra durante a sua utiliza o normal jAdvertencia Este equipo debe conectarse a tierra Asegurarse de que el equipo principal est conectado a tierra durante el uso normal Varning Denna utrustning r avsedd att jordas Se till att vardenheten r jordad vid normal anv ndning In Case of Electrical Accident If an electrical accident results in an injury take the following actions in this order 1 Use caution Be aware of potentially hazardous conditions that could cause further injury 2 Disconnect power from the router 3 If possible send another person to get medical aid Otherwise assess the condition of the victim then call for help Backplane Energy Hazard Warning High levels of electrical energy are distributed across the router backplane Be careful not to touch the backplane connectors or any component connected to the backplane with any metallic object while servicing components installed in the router Warning M40 Internet Router Hardware Guide Safety Guidelines and Warnings Multiple Power
118. dvertencia No operar el sistema ni conectar o desconectar cables durante el transcurso de descargas el ctricas en la atm sfera Varning Vid ska skall du aldrig utf ra arbete p systemet eller ansluta eller koppla loss kablar M40 Internet Router Hardware Guide Safety Guidelines and Warnings Operating Temperature Warning Warning To prevent the router from overheating do not operate it in an area that exceeds the maximum recommended ambient temperature of 104 F 40 C To prevent airflow restriction allow at least 6 inches 15 2 cm of clearance around the ventilation openings Waarschuwing Om te voorkomen dat welke router van de Juniper Networks router dan ook oververhit raakt dient u deze niet te bedienen op een plaats waar de maximale aanbevolen omgevingstemperatuur van 40 C wordt overschreden Om te voorkomen dat de luchtstroom wordt beperkt dient er minstens 15 2 cm speling rond de ventilatie openingen te zijn Varoitus Ettei Juniper Networks router sarjan reititin ylikuumentuisi sit ei saa k ytt tilassa jonka l mp tila ylitt korkeimman suositellun ymp rist l mp tilan 40 C Ettei ilmanvaihto estyisi tuuletusaukkojen ymp rille on j tett v ainakin 15 2 cm tilaa Attention Pour viter toute surchauffe des routeurs de la gamme Juniper Networks router ne l utilisez pas dans une zone o la temp rature ambiante est sup rieure 40 C Pour permettre un flot d air constant d gagez un e
119. e MANAGEMENT ETHERNET port on the craft interface 2 Plug the other end of the cable into the network device Figure 48 Routing Engine Ethernet Cable Connector S CIT 1063 Connect to a Management Console or Auxiliary Device You can configure and manage the router on a system console connected to the Routing Engine through the CONSOLE port on the craft interface or on a laptop modem or other auxiliary device connected through the AUXILIARY port One RS 252 EIA 252 serial cable with DB 9 DB 9 connectors is provided with the router as detailed in Routing Engine Interface Cable and Wire Specifications on page 53 If you want to connect a device to both ports you must supply another cable To connect a management console or auxiliary device follow this procedure 1 Turn off the power to the console or auxiliary device 2 Plug the female end shown in Figure 49 of the provided console cable into the CONSOLE or AUXILIARY port 3 Tighten the screws on the connector using a 2 5 mm flat blade screwdriver if necessary 4 Attach the other end of the cable to the console or auxiliary device Figure 49 Console and Auxiliary Serial Port Connector 1027 M40 Internet Router Hardware Guide Connect PIC Cables Connect to an External Alarm Reporting Device You can connect the router to external alarm reporting devices through the relay contacts on the craft interface next to the LEDs labeled RED ALARM and YELLOW ALAR
120. e assembly to seat it firmly in the chassis Figure 37 Reinstall the Lower Impeller Assembly 1062 Reinstall the Air Filter The air filter is located below the craft interface at the front of the chassis see Figure 1 To reinstall it follow this procedure see Figure 38 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Grasp the sides of the air filter and push it firmly over the air intake inserting its metal prongs into the chassis Figure 38 Reinstall the Air Filter 1064 M40 Internet Router Hardware Guide Install the Router without Using a Mechanical Lift Reinstall the SCB The SCB is located at the center of the card cage at the front of the chassis see Figure 1 To reinstall it follow this procedure see Figure 39 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Grasp the front of the SCB with both hands and align the rear of the card carrier with the slide guides in the card cage 3 Slide the SCB all the way into the card cage until it contacts the backplane 4 Push the ends of the extractor clips which are located at each end of the SCB towards each other to secure the SCB in the chassis 5 Using a Phillips screwdriver tighten the thumbscrew at each end of the SCB to seat the unit firmly in the chassis Figure 39
121. e center mount rack See rack chassis alarm messages See alarm messages description dimensions lifting guideline So n eemper een s 71 path of airflow through ertt tms 24 checklist FRG rermoVal Age stan a ANE 105 site preparato dui oerte rid geed Seene ee 54 chromatic dispersion in fiber optic cable 50 cleaning instructions for fiber optic transceivers 213 clearance around chassis 42 CLI as troubleshooting too 191 command to display chassis alarm messages 192 to display PPC East neo 162 to display PIC status 162 to display power supply status 155 M40 Internet Router Hardware Guide to display Routing Engine status 174 to display serial number 216 tools provided in for accessing and controlling software 30 for monitoring software cee 30 command line interface See CLI commands show chassis environment ee Lee 155 for impeller assemblies sssssss 157 for power supplies 00 eects 155 show chassis Tee egen SEN tee 162 show chassis hardware 216 show chassis routing engine ee 174 show chassis sch 169 traceroute cec ete e te aes o teet eti 191 compatibility electromagnetic ssssssssese 49 compliance EMG TEQUIREMICNES cepe pectet prep HR aes 86 gerieral Standards oeste n ep redes 84 components field replaceable See field replaceable units hot pluggable See f
122. e ER 19 Routing Engine LEDs and Interface Portz 19 Power Supplies daer eire eer ete UI PUER EE HU PERS Ee 20 AC POWER SUPPLY 2 adest enh oes e diee ita een Mete Poet ep dee 21 DO Roeser Gei gedreet ren Pe un 22 Power oupply LEDS stes cta eh te eeng at ie te 22 COOLING SYST deco pnto rrt ea EE Ee eegen a n e dite Rea e SERES 25 Cooling system Components enee pel eH RENS 25 Airlow thiroughithie Chassis sus reechen dee else eg 24 Cable Management System 24 JUNOS Internet Software Overview sss 25 Routing Engine Software Components sssssssssss eee Routing Protocol Process eee ener ROUTING Protocols conte aps deee du ae e erdt ite ed ote abe Tas Routing and Forwarding Tables ooo ccc eeccceeeceeseteeeeteeeeeteeeeneees Routine Ge e Interface e SNMP and MIBJII vPTOGOSSES ee red te t dree EE tee Management PrOCGeSS iv ssec ema s i ari ier ete cata ors iss e tene dag ee E deg Per onn R u ting Engine Kernel 2s teh dee Tools for Accessing and Configuring the Software Software Monitoring Tools Software Upgrades eec preda eere eon System Architecture Overview sss 51 Packet Forwarding Engine Architecture 32 Data Flow through the Packet Forwarding Engine ssssess 55 Routing Engine AFGhIteGtUuLe e uet emet eie eei 55 Routing ENGINE BUNCHONS 25h AE pedet etg re ee Prat edet 54 Initial Installation Prepare the Site oos 59 Rack Reg irements c zd epa oie e em Medeae 3
123. e RE 18 troubleshooting use eee 192 Index DC power supply eet endete 22 ERG cercati ep e eerte dne 18 PIG cx oce b t ita de t dire te tae boi bte 11 Routlrig Bnglmgee i es dee ev beers 15 Safety Waring S unie pee per eR Vader 76 SC Birr oe unten dar epe E 15 lifting handle for installation 109 lig der M E 51 load sharing power supplies ssse 45 lower impeller assembly description hardware and function 25 installation instructions during initial installation 111 for maintenance or replacement 159 maintenance eie ost ee ree eie bdo 157 removal instructions during initial Installatton 108 for maintenance or replacement 158 COGIS TEQUITEG WEE 153 TROUDIESHOOUNG et rete capte dt eg 198 E EE 99 LS 120 drive replacement instructions s s 180 tools regire eege eegne eet 173 lugs for DC power and grounding cables 1011 46 maintenance guidelines AG DOWEDSUDDIV s e oos ette 155 air filte arel nee d ete de eee e pee e perti 154 cable fiber OptiCA c det ba Pt nates PIG ueteres cooling system DC power supply fam tray ceste tete us LEE impeller assemblies ssssssese 157 OVERVIEW iin so einer Ree quies ere eet 133 A OERA nian sank e Ee 162 ROUTINE EN SING ik dope tse eee dus 174 EE 169 management port Ethernet See Ethernet port on craft interface process software module of Routing
124. e S CB ce eere EE Remove the SCB stalltheC Bs sce e ere QR eR NN E eR Maintain and Replace Routing Engine Components 175 Tools and Parts Required ue hee teda me ted e th i ort der Maintain the Routing Engine sssssssssss e eem Replace the Routing Engine Housing i Remove the Routing Engine Housing Install the Routing Engine Housing o M40 Internet Router Hardware Guide Replace the Routing Engine eerte ettet E e E el 176 Remove the Routing Engine n aaeoa t cece eee 177 Install the Routing Engine Replace the LS 120 Drive Maintain and Replace Cables and Connectors 181 Tools and Parts Required oe eed e a e edad Gable SpectfiGatiorts aiee eet dee petet tede e ae order tes ed eoe dus denda ts de aes Maintain PIC EE Replace PIC Cables etti retreat pit iiie de EE ee Remove a PIC Cable EURO Replace Power Supply Cables Replace Cables and Wire Connecting to Routing Engine Interface Ports 186 Replace the Management Ethernet Cable 0 ccccceeceeeeeteeeeeeeeeeeteeeen 186 Replace the Console or Auxiliary Cable errenneren 187 Replace Alarm Relay Wie 188 Troubleshooting Troubleshooting Overview 191 Command Line Interface EE 191 ERSAAT 192 LEDs on the Craft Interlace sss cy Strait dasa tede it anle Eet ee 192 LEDS Oni Hardware Components bechte deeg Eege 192 Hardware and Interface Alarm Messages 192 Juniper Net
125. e a Phillips screwdriver to tighten them 7 Return the Routing Engine housing to the chassis For instructions see Install the Routing Engine Housing on page 175 8 Afterthe Routing Engine restarts check the Routing Engine LEDs on the craft interface to verify that the green LED labeled OK is lit see Figure 7 You can also verify correct Routing Engine functioning by issuing the show chassis routing engine command described in Maintain the Routing Engine on page 174 Figure 84 Install the Routing Engine UD 05 3 7 7 c 77 7 77 d o occ S V9 Dd SONO E 3 4p AWM SIL ev g Q Maintain and Replace Routing Engine Components Q Replace the LS 120 Drive Replace the LS 120 Drive To replace the LS 120 drive use the following procedure see Figure 85 You can perform this procedure without powering down the router 1 Remove the Routing Engine housing from the chassis if it is not already For instructions see Remove the Routing Engine Housing on page 175 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Locate the LS 120 drive module inside the Routing Engine housing The drive resides in a metal housing in front of an equally sized hard drive Detach the exposed power connector plug and the Routing
126. e alarm LEDs Deactivating an alarm turns off both LEDs and deactivates the device attached to the corresponding alarm relay contact However the LCD continues to report the alarm message until you clear the condition that caused the alarm o M40 Internet Router Hardware Guide Craft Interface Table 6 describes the alarm LEDs and alarm cutoff button in more detail Table 6 Alarm LEDs and Alarm Cutoff Button Shape Color State Description Red On steadily Critical alarm LED Indicates a critical condition that C can cause the router to stop functioning Possible causes include component removal failure or overheating Yellow On steadily Warning alarm LED Indicates a serious but nonfatal SX error condition such as a maintenance alert or a significant increase in component temperature Alarm cutoff button Deactivates red and yellow ALARM alarms and reset timers for system maintenance alerts CUTOFF LCD A four line LCD is located in the center part of the craft interface next to six navigation buttons see Figure 7 The LCD operates in two modes W Idle mode Reports current system status during normal operation W Alarm mode Reports alarm conditions when the red or yellow alarm LED is lit For a list of alarm messages that can appear on the LCD see Hardware and Interface Alarm Messages on page 192 Routing Engine LEDs and Interface Ports The area labeled ROUTING ENGINE at t
127. e chassis is 19 in 48 cm wide and 23 5 in 60 cm deep The chassis height of 35 in 89 cm enables stacked installation of two M40 routers in a single floor to ceiling rack The two front or center mounting ears one on each side enable installation into either a front mount or a center mount rack For more information see Rack Requirements on page 39 The chassis includes two electrostatic discharge ESD points banana plug receptacles one front and one rear as shown in Figure 1 and Figure 2 Before removing or installing components of a functioning router attach an ESD strap to one of the ESD points and place the other end of the strap around your bare wrist Failure to use an ESD strap could result in damage to the router Warning The router must be connected to earth ground during normal operation For further safety information see Regulatory Compliance and Safety Information on page 55 Figure 1 Front View of Chassis Front rack mounting ear Cable managment system Card cage Backplane Slide guides for FPCs ESD point Craft interface Air filter 1002 Center rack mounting ear Q M40 Internet Router Hardware Guide Packet Forwarding Engine Figure 2 Rear View of Chassis Front rack mounting ear Center rack mounting ear Upper impeller assembly b ini 7 F P i D Routing Engine housing B e o
128. e ee Rack Mounting Hole Spacing 1 hte E AC Power Cable ele le DC Power and Grounding Cable Specifications 00 ee 47 System Power Requirements ees niente te nii d vetere ER tape 48 Calculating Power Budget for SONET SDH PIC Interfaces 51 Estimating Link LOSS ede ee edi 52 Routing Engine Interface Cable and Wire Specifications 55 Site Preparation Checklist He noel eR tutte ile ay 54 Generic Inventory of Router Components Installed in Chassis 95 Chassis Component Weights te cci gt iste feet eee net 99 FPC Removal Checklist nece eet termi tpe vedette 105 Chassis AlarmiM6essagesu i eie eet me o tera moe butter mate 195 SONET Interface Alarm Message 0 ccccceecseeeeeeeeerteeteeeeneees 194 RJ 45 CONMECTOr Pinout tox erred st ope o ee ce dh 207 DB 9 Connector PInOUL zii etes entere et ero gods 208 RJ 48 Connector to RJ 48 Connector Straight Pinout 209 RJ 48 Connector to RJ 48 Connector Crossover Pinout 209 RJ 48 Connector to DB 15 Connector Straight Pinout 210 RJ 48 Connector to DB 15 Connector Crossover Pinout 210 RI Z L PIRCASSISDIODES c tangs ri err eee ht ette te ete d 211 List of Tables o List of Tables M40 Internet Router Hardware Guide About This Manual This chapter provides a high level overview of the M40 Internet Router Hardware Guide W Objectives on page xvii W A
129. e ee 157 Figure 71 Remove the Lower Impeller Assembly 158 Figure 72 Install the Lower Impeller Assembly sssssssssm 159 Figure 75 Remove the Upper Impeller Assembiv 160 Figure 74 Install the Upper Impeller Assembly ssssA 160 Figur 75 REMOVE ANE PC aet e ereecht Eben 164 Figures 76 Install an EE 166 Eigure 77 K rrech e ette tes ite uut 168 Figure 75 Lora Eege tender toten ec ete gr Me when AREE PER Ue 169 Figure 79 Re rioVethe SCB tesies tasea e rois eege 170 Figure 80 Install th SEB wv ced etsi p be dete e e eoe Fe ieu 171 Figure 81 Remove the Routing Engine Housing cceeeeeeseeetteeeneeees 175 Figure 82 Install the Routing Engine Housing sssssss 176 Figure 83 Remove the Routing Bngime Re 178 Figure 84 Install the Routing Engine ccc eee eeeeeeetteeeeneeeeeteeenneees 179 Figure 85 Remove the LS 120 Drive from the Routing Engine Housing 180 Figure 86 PIC Fiber Optic Cable Connector eee e AARETE 184 Figure 87 Connect Fiber Optic Cable to a PIC ist dedos 185 Figure 88 Routing Engine Interface Ports on the Craft Interface 186 Figure 89 Management Port Ethernet Connector 187 Figure 90 Console and Auxiliary Serial Port Connector 187 Figure 9T Fast Ethernet L2 port PIC eegent ii seeds pert EEN 211 Figure 92 VHDCLO BI 21 C3ble e ul Me edet due ntur ede 211 Figure 95 Microdeposits in the SC Connector Canal 215 Figure 94 Clean the Conmne
130. e ist sicherzustellen da die Gleichstromschaltung keinen Strom erh lt Um sicherzustellen da s mtlicher Strom abgestellt ist machen Sie auf der Schalttafel den Unterbrecher f r die Gleichstromschaltung ausfindig stellen Sie den Unterbrecher auf AUS und kleben Sie den Schaltergriff des Unterbrechers mit Klebeband in der AUS Stellung fest Avvertenza Prima di svolgere una qualsiasi delle procedure seguenti verificare che il circuito CC non sia alimentato Per verificare che tutta l alimentazione sia scollegata OFF individuare l interruttore automatico sul quadro strumenti che alimenta il circuito CC mettere l interruttore in posizione OFF e fissarlo con nastro adesivo in tale posizione Advarsel F r noen av disse prosedyrene utf res kontroller at str mmen er frakoblet likestr mkretsen S rg for at all str m er sl tt AV Dette gj res ved lokalisere str mbryteren p brytertavlen som betjener likestr mkretsen sl str mbryteren AV og teipe bryterhandtaket pa str mbryteren i AV stilling Aviso Antes de executar um dos seguintes procedimentos certifique se que desligou a fonte de alimenta o de energia do circuito de corrente continua Para se assegurar que toda a corrente foi DESLIGADA localize o disjuntor no painel que serve o circuito de corrente cont nua e coloque o na posi o OFF Desligado segurando nessa posi o a manivela do interruptor do disjuntor com fita isoladora Advertencia Antes de proceder con
131. e numbered 0 zero through 3 top to bottom PICs receive incoming packets from the network and transmit outgoing packets to the network performing framing and line speed signaling for their media type as required PICs also encapsulate outgoing packets received from the FPCs before transmitting them The controller ASIC on each PIC performs additional control functions specific to the PIC media type M40 Internet Router Hardware Guide Packet Forwarding Engine A regular PIC is hot removable and hot insertable in the sense that its absence does not disrupt routing functions however you must completely remove its host FPC from the chassis before removing the PIC which affects all PICs on the FPC For replacement instructions see Replace a PIC on page 167 Quad wide PICs such as the 4 port Gigabit Ethernet and OC 48 STM 16 SONET SDH PICs occupy an entire FPC slot and are hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 The instructions for replacing a quad wide PIC are the same as for an FPC See Replace an FPC or Quad wide PIC on page 163 PIC Components Most PICs supported on the M40 router have the following components but for complete specifications see the M20 and M40 Internet Routers PIC Guide For information about pinouts for PIC cable connectors see Cable Connectors and Pinouts on page 207 W One or more cable connector ports Accept a network media con
132. e or auxiliary device 2 Plug the female end of the replacement serial cable into the CONSOLE or AUXILIARY port and the other end into the device 5 Tighten the screws on the connectors at both ends using a 2 5 mm flat blade screwdriver if necessary 4 Power on the auxiliary or console device Figure 90 Console and Auxiliary Serial Port Connector 1027 Maintain and Replace Cables and Connectors Replace Cables and Wire Connecting to Routing Engine Interface Ports Replace Alarm Relay Wire The alarm relay contacts located on the craft interface to the left of the red and yellow alarm LEDS connect to external alarm devices that report conditions that trigger a red or yellow alarm see Figure 88 The alarm relay contacts accept wire of any gauge between 28 AWG and 14 AWG 0 09 and 2 09 mm which is not provided Use the gauge of wire appropriate for the external device that you are connecting to the relay contact To replace the wires connecting to an alarm reporting device follow this procedure 1 M40 Internet Router Hardware Guide Prepare the required lengths of replacement wire with gauge between 28 AWG and 14 AWG 0 09 and 2 09 mm Disconnect the existing wires at the external device Use a 2 5 mm Phillips screwdriver to loosen the small screws on the faceplate of the appropriate alarm relay contact the upper contact for a device that reports high priority red alarms or the lower contact for the device
133. e pet eer dedere ens xviii Documentation CONVENTIONS sars bete ENEE deg ERAN XX Contact Juniper NetWOEkS aid od ce PARERE ER Vc RH CRISE TR XX Docurrieritation Feedback cte me t se tette calo etu otn ish Oi aah do xxi Product Overview System Overview ENEE 5 SySEteImuDescripLtOTu s cade ese det Aha ud Lodi dL Mat oa E IR EE 5 Eield Replaceable Ur ts ERUS rp eph eig o PHP BO UM 4 Component Red ridantcy eer NEEN e errem erre ertt eru 4 Safety Requirements Warnings and Guidelines eerren errre 5 System SPECICATION S oriee cosa ceti eter ced deans te rc eara ee REES 5 Hardware Component Overview soos 7 CHASSIS UE 8 Packet Forwarding EnGine a scies erecto ncs teet RENE STR STA GR ERE SR GOLEN 9 Backplane uie tectum iade ed teo sa Moretus kat btts tege Pacte 10 Physical Interface Cards PICS x iR e deefe EES 10 PIC Components nut e mee dit te isse ed Mert doa I eu es 11 Flexible PIC Coricentrators FRCS 4 e ete eem der e edes 11 EPCSCOITIDOIeT sz tera utero e AM Nd adum 12 System Control Board SCB ete tete pee eter ere 15 SCBCoImpotentss Seet eebe Rs dub es E Lt 15 Routing ENDINE aue SE ege HODIE aye MM HACEN Pd IAS xU R ceps 15 Routing Engine Components 0 cece em eee eene 15 Table of Contents Q o M40 Internet Router Hardware Guide Cralt Iritertacen i eso tore d bete EE Ae 17 FPC EEDS and Offline BUTTON o 0 tet ite Pate epus 18 Alarm Relay Contacts LEDs and Cutoff Button 18 EC eue DE A ed
134. e policies for redistributing the routes learned from one protocol into another protocol Interface Process The JUNOS interface process manages the physical interface devices and logical interfaces on the router It implements the JUNOS command line interface CLI commands and configuration statements that you use to specify interface properties such as location FPC location in the FPC card cage and PIC location on an FPC the interface type such as SONET SDH or ATM encapsulation and interface specific properties You can configure both interfaces that are currently active and interfaces that might be installed later The JUNOS interface process communicates with the interface process in the Packet Forwarding Engine through the JUNOS kernel enabling the JUNOS Internet software to track the status and condition of router interfaces SNMP and MIB II Processes The JUNOS Internet software supports the Simple Network Management Protocol SNMP Versions 1 and 2 which provides a mechanism for monitoring the state of the router This software is controlled by the JUNOS SNMP and Management Information Base MIB II processes which consist of an SNMP master agent and a MIB II agent Management Process The management process starts all the other JUNOS software processes and the CLI when the router boots It monitors the running JUNOS processes and makes all reasonable attempts to restart any process that terminates Routing Engine Kernel
135. e router configuration files and monitor router operations About This Manual Documentation Conventions Documentation Conventions This manual uses the following text conventions W Router and router component labels are shown in a sans serif font In the following example MANAGEMENT ETHERNET is the label for the Ethernet management port on the router The 10 100 Mbps Ethernet RJ 45 connector is used for out of band management of the router and is labeled MANAGEMENT ETHERNET W Statements commands filenames directory names IP addresses and configuration hierarchy levels are shown in a sans serif font In the following example stub is a statement name and edit protocols ospf area area id is a configuration hierarchy level To configure a stub area include the stub statement at the edit protocols ospf area area id hierarchy level W In examples text that you type literally is shown in bold In the following example you type the words show chassis alarms For example you can use the following command to get information about the source of an alarm condition user host gt show chassis alarms W Notes cautions and warnings are denoted by the following symbols A note indicates information that might be helpful in a particular situation or that might otherwise be overlooked A caution indicates a situation that requires careful attention Failure to observe a cautionary note could result in minor injury
136. e the IP address of a DNS server edit root set system name server address Set the root authentication password by entering either a clear text password an encrypted password or an ssh public key string DSA or RSA edit root set system root authentication plain text password New password password Retype new password password or edit root set system root authentication encrypted password encrypted password or edit root set system root authentication ssh dsa public key or edit root set system root authentication ssh rsa public key 11 Configure the JUNOS Internet Software Optionally display the configuration to verify that it is correct edit root show system host name host name domain name domain name backup router address root authentication authentication method password public key name server address interfaces fxpO unit O family inet address address prefix length Commit the configuration to activate it on the router edit root commit Optionally configure additional properties by adding the necessary configuration statements Then commit the changes to activate them on the router edit root host name commit When you have finished configuring the router exit configuration mode edit root host name exit root host name gt The commands in Steps 5 through 12 connect the router to the network
137. ed first and Warnin A g disconnected last Waarschuwing De juiste bedradingsvolgorde verbonden is aarde naar aarde RTN naar RTN en 48 V naar 48 V De juiste bedradingsvolgorde losgemaakt is en 48 V naar 48 V RTN naar RTN aarde naar aarde Varoitus Oikea yhdistettava kytkentajarjestys on maajohto maajohtoon RTN varten RTN 48 V varten 48 V Oikea irrotettava kytkentajarjestys on 48 V varten 48 V RTN varten RTN maajohto maajohtoon Attention C blez l approvisionnement d alimentation CC En utilisant les crochets appropri s l extr mit de c blage En reliant la puissance l ordre appropri de c blage est rectifi pour rectifier RTN RTN puis 48 V 48 V En d branchant la puissance l ordre appropri de c blage est 48 V 48 V RTN RTN a alors rectifi pour rectifier Notez que le fil de masse devrait toujours tre reli d abord et d branch pour la derni re fois Notez que le fil de masse devrait toujours tre reli d abord et d branch pour la derni re fois Warnung Verdrahten Sie die Gleichstrom Versorgung mit den passenden Ans tzen am Verdrahtung Ende Wenn man Energie anschlie t wird die korrekte Verdrahtung Reihenfolge gerieben um RTN zu RTN dann 48 V bis 48 V zu reiben Wenn sie Energie trennt ist die korrekte Verdrahtung Reihenfolge 48 V bis 48 V RTN zu RTN rieb dann um zu reiben Beachten Sie da amp der Erdungsdraht immer zuerst ang
138. edure see Figure 77 1 Place an electrostatic bag or antistatic mat on a flat stable surface to receive the PIC 2 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 5 Follow the instructions in Remove an FPC or Quad wide PIC on page 165 to remove the PIC s host FPC from the chassis Lay the FPC on an antistatic foam mat on a flat stable surface If a foam mat is not available substitute a standard flat antistatic mat but use extra care when laying the FPC component side down on it to avoid damaging the electrical components 4 With the FPC lying component side down and the PIC faceplates facing you use a Phillips screwdriver to loosen the two screws that secure the PIC to the FPC 5 Carefully turn over the FPC and lay it on the mat component side up with the PIC faceplates facing you 6 Pull the PIC straight out of the FPC slot You might need to rock the PIC back and forth to loosen it from the connector in the FPC slot To avoid bending the pins on the connector use the smallest and gentlest motion possible Caution 7 Place the PIC in the electrostatic bag or on the antistatic mat prepared in Step 1 Maintain and Replace Packet Forwarding Engine Components Replace a PIC Figure 77 Remove a PIC g003121 Install a PIC To install a PIC follow this procedure see Figure 78 1 Attach an ESD strap to your bare wrist and connect the strap to one o
139. edures described in the following sections W Replace the Management Ethernet Cable on page 186 E Replace the Console or Auxiliary Cable on page 187 W Replace Alarm Relay Wire on page 188 Figure 88 Routing Engine Interface Ports on the Craft Interface OK FAIL O OK FAL O OK O 5 6 r OK FAIL O OK FAIL O OK FAIL O OK FAIL O OK FAIL FAI LO 0 ALARM ROUTING ENGINE NC O RED NO O C ALARM MENU AJ H CUTOFF G E YELLOW v MANAGEMENT Of NO O SCH ALARM ETHERNET AUXILIARY 1065 Routing Engine ports Alarm relay contacts Replace the Management Ethernet Cable The cable that plugs into the port labeled MANAGEMENT ETHERNET on the craft interface connects the Routing Engine to a network for out of band management see Figure 88 The port accepts a cable with RJ 45 RJ 45 connectors which is provided with the router as detailed in Routing Engine Interface Cable and Wire Specifications on page 55 To replace the cable connecting to a management network follow this procedure 1 Ifa cable is already installed in the MANAGEMENT ETHERNET port perform the following steps a Press the tab on the connector and pull the connector straight out of the port Figure 89 shows the connector b Repeat to d
140. ee 55 Site Preparation CHECKSt sente AA eode dre ipe eerie ott itera eds 54 Regulatory Compliance and Safety Information 55 Definition of Safety Warning Levels snoin a aa ANE E ESA Safety Guidelines and Warmings General Safety Guidelines and Warnings Qualified Personnel Warmimg eee Restricted Access Area Warning sse Y Electrical Safety Guidelines and Warnings sss 60 General Electrical Safety Guidelines eee eeeeeeteeeetteeenneeees 60 AC Power Electrical Safety Guidelines sssssssss 61 DC Power Electrical Safety Guidelines 0 0 00 eeeeeeetteeeetreeenes 61 Copper Conductors Warning eege e eee tee od toten eder 65 DC Power Disconnection Warning sssssssssss e 64 DC Power Grounding Requirements and Warming 65 DC Power Wiring Sequence Warning siirros inir aS 66 DC Power Wiring Terminations Warning sssssssssss 67 Table of Contents o o M40 Internet Router Hardware Guide Grounded Equipment Waming eee 68 In Case of Electrical Accident o e aaa oiai He 68 Backplane Energy Hazard Warning 68 Multiple Power Supplies Disconnection Warnimg 69 Power Disconnection Warrlng ctio cet prO CH ERROR RR PT 70 TN and TI Power Warhlng 2 452 ie id op EEN 71 Installation Safety Guidelines and Warnings 7i Chassis Lifting Guideline Siiner san ene Pes tatem ergeet er oh eer 72 Installation Instructions Warmimg He 72 Rack Mounting Requirements and Warnings sssssssene 75 Rarn
141. ely out of the chassis Figure 35 Remove the Lower Impeller Assembly M40 Internet Router Hardware Guide Install the Router without Using a Mechanical Lift Install the Chassis into the Rack After you have removed components as described in Remove Components from the Chassis on page 100 the chassis is light enough for a team of installers to lift into the rack Lifting the empty chassis and mounting it into a rack requires three people to lift and a fourth person to secure the mounting screws The empty chassis weighs approximately 180 Ib 82 kg Caution If you are installing two routers in a rack install the lower one first First perform the following prerequisite procedures W Place the rack in its permanent location allowing adequate clearance for airflow and maintenance and secure it to the building structure For details see Rack Requirements on page 59 W Read the information in Installation Safety Guidelines and Warnings on page 71 with particular attention to Chassis Lifting Guidelines on page 72 W Remove the router from the shipping crate as described in Prepare to Install the Router on page 89 W Remove chassis components as directed in Remove Components from the Chassis on page 100 Then perform the following procedures to install the router 1 If you are installing the router in the upper half of the rack install the C bracket first see Rack Mounting
142. ement 175 SCB during initial installation 106 for maintenance or replacement 170 upper impeller assembly during initial Installatton 102 for maintenance or replacement 159 repair of router or components isseire 215 replacement instructions See installation instructions removal instructions requirements See specifications reset button on Routing Engine 0 eee Return Materials Authorization number RJ 21 cable pinouts RJ 45 cable connector pinouts BJA Si CADIS PIN OUtS e doeet trottoir enero RMA HUMBET e est ties Ts e torte routing policy 33 cce tee ite ibt et dft etia bomi 28 protocol process software module of Routing Engine gartier aA raaa EnA AE 26 protocols nite a 6 ea de 26 tables ee Me M LAKE ree 28 Routing Engine alarm handling Du 34 leet EE 34 components ET EE ie EE configuration files storage 0 eee description hardware and function installation instructions ereere interface PTOCESS gece pta Hag aad 29 Lu DEE 29 LEDS tite repe etr o UP pte qe TERES 15 mialltenance esee reu dent 174 management DroCese ierre ee eects 29 MIB Ap ROCESS ees i ade Lt edu e Mec sagt taka 29 packet countirig 5 teen ees 34 Index ports on craft interface cable and wire speclfications 53 GESCHPLION tite eet eae alate 19 See also auxiliary port on craft interface console port on craft interface Ethernet p
143. ended for terminating the ground conductor at the ground stud W Run two wires from the circuit breaker box to a source of 48 VDC Use appropriate gauge wire to handle up to 45 A Regulatory Compliance and Safety Information Q Safety Guidelines and Warnings M40 Internet Router Hardware Guide W You must connect only to a DC power source for which the output complies with the safety extra low voltage SELV requirements of UL 1950 CSA C22 2 No 950 95 EN 60950 and IEC 60950 to a DC input terminal block A DC powered router that is equipped with a DC terminal block is intended only for installation in a restricted access location In the United States a restricted access area is one in accordance with Articles 110 16 110 17 and 110 18 of the National Electrical Code ANSI NFPA 70 Primary overcurrent protection is provided by the building circuit breaker This breaker should protect against excess currents short circuits and earth faults in accordance with NEC ANSI NFPA70 Ensure that the polarity of the DC input wiring is correct Under certain conditions connections with reversed polarity might trip the primary circuit breaker or damage the equipment For personal safety connect the green and yellow wire to safety earth ground at both the router and the supply side of the DC wiring The marked input voltage of 48 VDC for DC powered routers is the nominal voltage associated with the battery circuit and any higher
144. entify them labeling each end of the cable the same The following guidelines apply specifically to fiber optic cable W When you unplug a fiber optic cable from a PIC always place a rubber safety plug over the transceiver on the PIC faceplate E Keep fiber optic cable connections clean using an appropriate fiber cleaning device such as RIFOCS 945 946 Fiber Optic Connector Cleaning System See Fiber Optic Connector Cleaning on page 215 W Anchor fiber optic cable to avoid stress on the connectors When attaching fiber to a PIC be sure to secure the fiber so it is not supporting its own weight as it hangs to the floor Never let fiber optic cable hang free from the connector W Avoid bending fiber optic cable beyond its bend radius An arc smaller than a few inches can damage the cable and cause problems that are difficult to diagnose W Frequent plugging and unplugging of fiber optic cable into and out of optical instruments such as ATM or SONET SDH analyzers can cause damage to the instruments that is expensive to repair Instead attach a short fiber extension to the optical equipment Any wear and tear due to frequent plugging and unplugging is then absorbed by the short fiber extension which is easy and inexpensive to replace M40 Internet Router Hardware Guide Replace PIC Cables Replace PIC Cables Removing and installing PIC cables does not affect router function except that the PIC does not receive or transmit data while
145. ents on page 86 Definition of Safety Warning Levels This manual uses the following three levels of safety warnings You might find this information helpful in a particular situation or might otherwise overlook it You need to observe the specified guidelines to avoid minor injury or discomfort to you or severe damage to the router Caution Regulatory Compliance and Safety Information o Definition of Safety Warning Levels Warning This symbol means danger You are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents Waarschuwing Dit waarschuwingssymbool betekent gevaar U verkeert in een situatie die lichamelijk letsel kan veroorzaken Voordat u aan enige apparatuur gaat werken dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico s en dient u op de hoogte te zijn van standaard maatregelen om ongelukken te voorkomen Varoitus Tama varoitusmerkki merkitsee vaaraa Olet tilanteessa joka voi johtaa ruumiinvammaan Ennen kuin ty skentelet mink n laitteiston parissa ota selv s hk kytkent ihin liittyvist vaaroista ja tavanomaisista onnettomuuksien ehk isykeinoista Attention Ce symbole d avertissement indique un danger Vous vous trouvez dans une situation pouvant causer des blessures ou des dommages corporels Avant de travailler sur un
146. er Hardware Guide Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Unscrew the captive screws at the bottom corners of the assembly using a Phillips screwdriver if necessary Install the Router without Using a Mechanical Lift 3 Grasp the handle at the top of the assembly and slide it about halfway out of the chassis 4 Move one of your hands underneath the assembly to support it and slide it completely out of the chassis Figure 28 Remove the Upper Impeller Assembly 1021 Remove the Fan Tray The fan tray is located at the rear of the chassis beneath the upper impeller assembly see Figure 2 On some M40 routers the tray is covered by a protective screen You do not need to remove the screen before removing the fan tray from the chassis The fan tray weighs approximately 5 Ib 2 kg To remove the fan tray follow this procedure see Figure 29 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Unscrew the screws at the outer corners of the fan tray not the screws that attach the protective screen using a Phillips screwdriver if necessary 3 Grasp the sides of the fan tray and pull firmly to slide it out of the chassis Figure 29 Remove the Fan Tray 77 1040 Install the Router and Configure Software Install the Router wit
147. erbrecher ab Avvertenza Prima di lavorare su un telaio o intorno ad alimentatori scollegare il cavo di alimentazione sulle unit CA scollegare l alimentazione all interruttore automatico sulle unit CC Advarsel F r det utf res arbeid p kabinettet eller det arbeides i n rheten av str mforsyningsenheter skal str mledningen trekkes ut p vekselstr msenheter og str mmen kobles fra ved str mbryteren p likestr msenheter Aviso Antes de trabalhar num chassis ou antes de trabalhar perto de unidades de fornecimento de energia desligue o cabo de alimenta o nas unidades de corrente alternada desligue a corrente no disjuntor nas unidades de corrente cont nua jAdvertencia Antes de manipular el chasis de un equipo o trabajar cerca de una fuente de alimentaci n desenchufar el cable de alimentaci n en los equipos de corriente alterna CA cortar la alimentaci n desde el interruptor autom tico en los equipos de corriente continua CC Varning Innan du arbetar med ett chassi eller n ra str mf rs rjningsenheter skall du f r vaxelstr msenheter dra ur n tsladden och f r likstr msenheter bryta str mmen vid Overspanningsskyddet M40 Internet Router Hardware Guide Safety Guidelines and Warnings TN and IT Power Warning The router is designed to work with TN IT power systems Waarschuwing Het apparaat is ontworpen om te functioneren met TN IT energiesystemen Warning Varoitus Koje on suunniteltu toimimaa
148. erference in which case the user will be required to correct the interference at his own expense M40 Internet Router Hardware Guide Compliance Statements for EMC Requirements Regulatory Compliance and Safety Information Compliance Statements for EMC Requirements 88 M40 Internet Router Hardware Guide Prepare to Install the Router This chapter explains how to unpack the router and verify the parts received Before beginning prepare the installation site as described in Prepare the Site on page 39 and review the safety information in Regulatory Compliance and Safety Information on page 55 This chapter discusses the following topics W Tools Required on page 89 W General Safety Guidelines and Warnings on page 90 W Prevent Electrostatic Discharge Damage on page 91 W Unpack the Router on page 92 W Rack Mounting Brackets on page 94 Tools Required To unpack and install the router you need the following tools W Phillips screwdrivers numbers 1 and 2 E 9 16 in open end or socket wrench to remove bolts that secure the router to the shipping pallet if 9 16 in tool is not available use pliers or an adjustable wrench rather than a fixed size metric wrench Prepare to Install the Router General Safety Guidelines and Warnings General Safety Guidelines and Warnings This manual uses the following three levels of safety warnings Pay careful attention to them as you install the router You might fi
149. ernet Router Hardware Guide Cable Connectors and Pinouts This chapter contains tables that list the pinouts for the following cable connectors on the router E RJ 45 Connector Pinouts for the Ethernet Management Port on page 207 W DB 9 Connector Pinouts for the Routing Engine Console and Auxiliary Ports on page 208 E E and T1 RJ 48 Cable Pinouts on page 208 W Fast Ethernet 12 port Cable Pinouts on page 211 RJ 45 Connector Pinouts for the Ethernet Management Port The port on the craft interface labeled MANAGEMENT ETHERNET is an autosensing 10 100 Mbps Ethernet RJ 45 receptacle that accepts an Ethernet cable for connecting the Routing Engine to a management LAN or other device that supports out of band management For more information see Routing Engine LEDs and Interface Ports on page 19 Table 24 describes the RJ 45 connector pinout Table 24 RJ 45 Connector Pinout Pin Signal 1 TX TX RX Termination network Termination network RX Termination network Oo Al an om AJ UJN Termination network Cable Connectors and Pinouts Cable Connectors and Pinouts DB 9 Connector Pinouts for the Routing Engine Console and Auxiliary Ports The ports on the craft interface labeled AUXILIARY and CONSOLE are DB 9 receptacles that accept RS 232 EIA 232 cable The AUXILIARY port connects the Routing Engine to a laptop modem or other auxiliary unit and the CONSOLE port connects it to
150. erters on their faceplates are tightened and that the power switches on both faceplates are in the OFF 0 position 2 For both power supplies verify that the ends of the power cord are firmly plugged into the appliance inlet on the power supply faceplate and the external power source receptacle 5 Turnon the power to the management device that is connected to the Routing Engine through the craft interface port labeled CONSOLE AUXILIARY or MANAGEMENT ETHERNET For more information on connecting management devices see Connect the Router to Management and Alarm Devices on page 119 M40 Internet Router Hardware Guide Replace a DC Power Supply 4 Press the power switch on the faceplate of one power supply to the ON position The green OK LED on the power supply faceplate blinks rapidly for a short time then lights steadily After a power supply is turned on it can take up to 60 seconds for status indicators such as LEDs on the power supply show chassis commands and messages on the craft interface LCD to indicate that the power supply is functioning normally Ignore error indicators that appear during the first 60 seconds The Routing Engine boots as the power supply completes its startup sequence If the Routing Engine finishes booting and you need to power down the router again first issue the CLI request system halt command For complete instructions see Disconnect AC Power from the Router on page 140
151. es The router can use either AC or DC power In either case there are two load sharing power supplies that install into the bays located at the bottom rear of the chassis as shown in Figure 2 As viewed from the rear of the chassis the supply on the left is referred to as supply A and the supply on the right as supply B The power supplies connect to the backplane which distributes power to router components according to their individual voltage requirements Each power supply has a system ground connector and an integrated fan to cool the power assembly The power supplies are fully redundant When both power supplies are operational they automatically share the electrical load If one power supply stops functioning for any reason the remaining power supply instantly begins providing all the power the router needs for normal functioning and can provide full power indefinitely Power supplies are hot removable and hot insertable as described in Field Replaceable Units FRUS on page 4 Each power supply has a safety interlock lever that prevents removal of the supply while it is on but to avoid electrical injury carefully follow the instructions in Replace an AC Power Supply on page 156 and Replace a DC Power Supply on page 141 After powering off a power supply wait at least 60 seconds before turning it back on After powering on a power supply wait at least 60 seconds before turning it off If the router is completely powe
152. es to the Routing Engine indicating incorrectly that system components are malfunctioning for example These messages can appear on the LCD W if all four LEDs on the SCB faceplate are on but dimly lit the SCB is probably not seated properly Tighten the captive screws at the top and bottom of the SCB card carrier For more information about the LEDs see SCB Components on page 15 202 M40 Internet Router Hardware Guide Troubleshoot the SCH E if the green RUN LED on the SCB is not blinking the SCB processor is not functioning normally The SCB might not be connected properly to the backplane Try tightening the screws at the top and bottom of the SCB card carrier If that does not work try reinstalling the SCB W When the Routing Engine is removed the SCB enters a warm shutdown mode and continues forwarding data for a limited time using a frozen forwarding table The default time limit is determined by a timer in the SCB If the Routing Engine is replaced during the warm shutdown period the SCB unfreezes its forwarding tables and resumes normal functioning Otherwise the SCB shuts itself down after the time limit expires Troubleshoot the Packet Forwarding Engine Components Troubleshoot the SCH M40 Internet Router Hardware Guide Appendixes W Cable Connectors and Pinouts on page 207 W Fiber Optic Connector Cleaning on page 213 W Return the Router or Its Components on page 215 W Glossary on page 225 M40 Int
153. eschlossen werden und zuletzt getrennt werden sollte Avvertenza Mostra la morsettiera dell alimentatore CC Cablare l alimentatore CC usando i connettori adatti all estremit del cablaggio come illustrato La corretta sequenza di cablaggio da massa a massa da positivo a positivo da linea ad L e da negativo a negativo da neutro a N Tenere presente che il filo di massa deve sempre venire collegato per primo e scollegato per ultimo Advarsel Riktig tilkoples tilkoplingssekvens er jord til jord RTN til RTN 48 V til 48 V Riktig frakoples tilkoplingssekvens er 48 V til 48 V RTN til RTN jord til jord Aviso Ate con alambre la fuente de potencia cc Usando los terminales apropiados en el extremo del cableado Al conectar potencia la secuencia apropiada del cableado se muele para moler RTN a RTN entonces 48 V a 48 V Al desconectar potencia la secuencia apropiada del cableado es 48 V a 48 V RTNa RTN entonces moli para moler Observe que el alambre de tierra se debe conectar siempre primero y desconectar por ltimo Observe que el alambre de tierra se debe conectar siempre primero y desconectar por ltimo jAdvertencia Wire a fonte de alimenta o de DC Usando os tal es apropriados na extremidade da fia o Ao conectar a pot ncia a seq ncia apropriada da fia o mo da para moer RTN a RITN ent o 48 V a 48 V Ao desconectar a pot ncia a seq ncia apropriada da fia o 48 V a 48 V
154. ese fire extinguishers is monoammonium phosphate which is very sticky and difficult to clean In addition in minute amounts of moisture monoammonium phosphate can become highly corrosive and corrodes most metals Any equipment in a room in which a chemical fire extinguisher has been discharged is subject to premature failure and unreliable operation The equipment is considered to be irreparably damaged To keep warranties effective do not use a dry chemical fire extinguisher to control a fire at or near a Juniper Networks router If a dry chemical fire extinguisher is used the unit is no longer eligible for coverage under a service agreement We recommend that you dispose of any irreparably damaged equipment in an environmentally responsible manner Power System Requirements and Specifications The router can use either AC or DC power In either case there are two load sharing power supplies located at the bottom rear of the chassis see Figure 2 Each power supply requires a dedicated power source For information about the power supplies including electrical specifications and a description of components see AC Power Supply on page 21 and DC Power Supply on page 22 For power system guidelines see the following sections W Power Supply Load Sharing Redundancy and Replacement on page 45 W Connection and Grounding Requirements on page 45 W AC Power Cord Specifications on page 45 W DC Power and Grounding Cable Specifi
155. et Software Configuration Guide Getting Started Software Monitoring Tools In addition to commands for configuring router hardware and software the CLI includes commands for monitoring and troubleshooting hardware software routing protocols and network connectivity CLI commands display information from routing tables information specific to routing protocols and information about network connectivity derived from the ping and traceroute utilities You can also use the JUNOS Internet software implementation of SNMP to monitor routers The SNMP software consists of an SNMP master agent and a MIB II agent It provides full support for MIB II SNMP Version 1 traps and Version 2 notifications SNMP Version 1 Get and GetNext requests and Version 2 GetBulk requests For more information about SNMP see the JUNOS Internet Software Configuration Guide Network Management The software also supports tracing and logging operations which you can use to track normal router operations error conditions and the packets that the router generates or forwards Logging operations use a syslog like mechanism to record systemwide high level events such as interfaces going up or down and user logins on the router Tracing operations record more detailed information about the operation of routing protocols such as the various types of routing protocol packets sent and received and routing policy actions Software Upgrades The router is delivered with the
156. f the ESD points on the chassis 2 Place the FPC into which you are installing the PIC on an antistatic foam mat component side up and with its faceplate facing you If a foam mat is not available substitute a standard flat antistatic mat but use extra care when laying the FPC on it to avoid damaging the electrical components 3 Push the PIC part way into the FPC slot Carefully align the tabs on the PIC connector with the notches in the connector at the rear of the FPC slot Push the PIC in until the connectors join f the pins on the FPC connector are not aligned properly with the holes in the PIC connector the pins might be bent or the holes damaged Either kind of damage can prevent the PIC and FPC from functioning correctly Caution 4 Carefully turn over the FPC and lay it component side down on the mat with the PIC faceplates facing you 5 Using a Phillips screwdriver tighten the two screws that secure the PIC in the FPC 6 Using a screwdriver tighten the two screws on the noncomponent side that fasten each PIC to the FPC M40 Internet Router Hardware Guide Maintain the SCH Figure 78 Install a PIC 1007 Maintain the SCB The System Control Board SCB occupies the center slot of the card cage installing into the backplane from the front of the chassis see Figure 1 To maintain the SCB follow these guidelines W Check the LEDs on the SCB faceplate The green LEDs labeled ACTIVE and RUN blin
157. fications on page 5 System Description The M40 Internet router is a complete routing system that provides high speed interfaces for large networks and network applications such as those supported by Internet backbone service providers Application specific integrated circuits ASICs a definitive part of the router design enable the router to forward data at the high speeds demanded by current network media The router accommodates up to eight Flexible PIC Concentrators FPCs each of which can be configured with a variety of network media types altogether providing up to 128 physical interface ports per system The router height of 55 in 89 cm enables stacked installation of two M40 routers in a single floor to ceiling rack for increased port density per unit of floor space The router s maximum aggregate throughput is 40 gigabits per second Gbps The router provides very high throughput for any combination of Physical Interface Cards PICs that does not exceed 5 Gbps on an FPC A combination that exceeds 5 Gbps is supported but constitutes oversubscription The router architecture cleanly separates control operations from packet forwarding operations This design eliminates processing and traffic bottlenecks permitting the router to achieve high performance line rates Control operations in the router are performed by the Routing Engine which runs JUNOS Internet software to handle routing protocols traffic engineering policy
158. ghten the thumbscrew at each upper corner of the power supply faceplate Replace an AC Power Supply 10 Insert the appliance coupler end of the power cord into the appliance inlet on the power supply faceplate and insert the plug into an AC power source receptacle Verify that the power cord does not block access to router components or drape where people could trip on it 11 Press the power switch on the power supply to the ON position Verify that the green LED labeled OK on the power supply faceplate eventually lights steadily After a power supply is turned on it can take up to 60 seconds for status indicators such as LEDs on the power supply show chassis commands and messages on the craft interface LCD to indicate that the power supply is functioning normally Ignore error indicators that appear during the first 60 seconds If the router is completely powered down when you power on the power supply the Routing Engine boots as the power supply completes its startup sequence If the Routing Engine finishes booting and you need to power down the router again first issue the CLI request system halt command For complete instructions see Disconnect AC Power from the Router on page 140 If after powering on the power supply you must power it off wait at least 60 seconds After powering off a power supply wait 60 seconds before turning it back on Figure 54 Install an AC Power Supply Captive Extractor inse
159. gine Routing Engine eue dypeg Rear of Chassis Front of Chassis Air intake for Lower impellers Packet Forwarding ngine cooling E Air intake for Routing Engine cooling Exhaust for Power supply Air intake for power supply and Fans power supply cooling 3 Cable Management System The cable management system is a row of staggered metal hooks located at the top of the chassis front see Figure 1 Each hook is draped with a rounded plastic shield and the row is shielded by a removable cover Threading PIC cables through the hooks keeps cables in place reduces tangling prevents undue stress on a cable by distributing its weight evenly and helps maintain the proper bend radius for optical cables o M40 Internet Router Hardware Guide JUNOS Internet Software Overview The JUNOS Internet software is especially designed for the large production networks typically supported by Internet Service Providers ISPs It incorporates Internet Protocol IP routing software and software for management of interfaces networks and the router chassis The JUNOS Internet software runs on the Routing Engine The software consists of processes that support Internet routing protocols control the router s interfaces and the router chassis itself and provide an interface for system management The processes run on top of a kernel that coordinates the communication among processes and has a direct li
160. gure Software 97 T ools and Parts Required o dee dere er Te he ehe 97 Install the Router Using a Mechanical Lift 98 Install the Router without Using a Mechanical UP 99 Remove Components from the Chassis 100 Remove the Power Supplies 101 Remove the Routing Engine Housing ssssssse 102 Remove the Upper Impeller Assembly ssssss 102 Remove The Fani Tray oic Gt n e vei e eege DEEN 105 Remove the Cable Management System sssssssssse 104 ue 105 REMOVE the SEB 3 455 5 sd curiam Mp e it So ac tae ed 106 Rertiove the Air Filter poisid etd ida Zeg d 107 Remove the Lower Impeller Assembly sssssI 108 Install the Chassis into the Rack ssssssssss ee 109 Reinstall Components into the Chassis 111 Reinstall the Lower Impeller Assembly sss 111 Reinstalb the Am FITE 2e peser rta tree te eee ire v Rete rte gerer 112 Reinstallthe SGB appes glate Z n eg tad eto torte cul e dee ise pv 115 Reinstall the PP GS inerte t IRR E t s e PIRA URP OE Rn 114 Reinstall the Cable Management System 115 Reinstall the Fan Tray eie cue petente c rer HEP EPI HEY Oe 116 Reinstall the Upper Impeller Assembly 117 Reinstall the Routing Engine Housing 117 Reinstall the Power Supplies 118 Connect the Router to Management and Alarm Devices i119 Connect to a Network for Out of Band Management 120 Connect to a Management Console or Aux
161. he DC power cables that you are connecting is 0 V and that there is no chance that the cable leads might become active during connection Verify that the power switch on the power supply faceplate is in the OFF O position Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Grasp the handle on the power supply faceplate with one hand and place the other hand under the unit to support it With a finger of the hand that is grasping the handle lift and hold up the safety interlock lever which is just below the power switch While holding the safety interlock lever up slide the power supply into the chassis until it contacts the backplane Still holding the safety interlock lever up turn the extractor inserter clockwise until the power supply engages with the connectors on the backplane See Figure 59 Push the safety interlock lever down Replace a DC Power Supply 9 Using a Phillips screwdriver tighten but do not overtighten the thumbscrew at each upper corner of the power supply faceplate Figure 59 Install a DC Power Supply 1132 10 Slide the grounding cable lug onto the grounding studs at the lower right corner of the power supply faceplate Secure the lug first with locking washers then with nuts Using a 7 16 in nut driver or wrench tighten the nuts Do not substitute a metric nut driver or wrench A tool that does not fit the nuts exactly can dam
162. he Router 3 Verify that the power switch is in the OFF 0 position see Figure 51 Figure 51 DC Power Switch in the Off Position o M40 Internet Router Hardware Guide Power switch 1128a Attach the grounding cable to a proper earth ground for both external DC power sources if it is not already Remove the nuts and locking washers that are preinstalled on the grounding studs at the lower right corner of the power supply faceplate Slide the grounding cable lug onto the studs and replace the washers and nuts Using a 7 16 in nut driver or wrench tighten the nuts Do not substitute a metric nut driver or wrench A tool that does not fit the nuts exactly can damage them If a 7 16 in tool is not available use pliers or an adjustable wrench Caution Using a Phillips screwdriver loosen the screws securing the protective shield over the power terminal studs Remove the shield Remove the outer nut and washer that are preinstalled on each terminal stud Slide the power cable lugs onto the terminal studs on the power supply faceplate see Figure 52 W Connect the positive source cable lug to the return terminal which is labeled RTN W Connect the negative source cable lug to the input terminal which is labeled 48V Run the power cables to the left on the left power supply and to the right on the right power supply This arrangement enables you to replace a power supply without having to deta
163. he checklist in Table 21 Table 21 FPC Removal Checklist Slot Media Type Removed Reinstalled NEO oO AJ Al dw To remove the FPCs follow this procedure 1 Place an antistatic mat or electrostatic bag on a flat stable surface to receive each FPC 2 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 3 Locate the FPC or blank panel located in the leftmost slot of the card cage on the front of the chassis It is directly above the offline button on the craft interface that is labeled O zero 4 Ifthe slot is covered by a blank panel you can leave it in place If the slot contains an FPC perform the following steps a Loosen the thumbscrew at each end of the FPC using a Phillips screwdriver if necessary b Pull the ends of the extractor clips which are adjacent to the thumbscrews toward the outer edges of the FPC see Figure 52 Install the Router and Configure Software Install the Router without Using a Mechanical Lift c Grasp both sides of the card carrier and slide the FPC about halfway out of the card cage d Place one hand under the FPC to support it slide it completely out of the chassis and place it on the antistatic mat or in the electrostatic bag prepared in Step 1 Do not stack FPCs on top of one another or any other components after removal Place each one individually in an electrostatic bag or on
164. he grounding cable lug onto the grounding studs at the lower right corner of the power supply faceplate Secure the lug first with locking washers then with nuts Using a 7 16 in nut driver or wrench tighten the nuts Do not substitute a metric nut driver or wrench A tool that does not fit the nuts exactly can damage them If a 7 16 in tool is not available use pliers or an adjustable wrench Caution Maintain and Replace the Power Supplies Disconnect and Connect DC Power Figure 64 Power Switch on a DC Power Supply in the OFF Position Power switch 1128a 5 Ifthe protective shield is installed over the power supply terminals use a Phillips screwdriver to loosen and remove the screws that secure the shield to the power supply see Figure 65 Figure 65 Remove the Protective Shield from the Terminal Studs Protective shield mM Washer 1130 6 Slide the power cable lugs onto the terminal studs on the power supply faceplate see Figure 66 W Connect the positive source cable lug to the return terminal which is labeled RTN W Connect the negative source cable lug to the input terminal which is labeled 48V Run the power cables to the left on the left power supply and to the right on the right power supply This arrangement enables you to replace a power supply without having to detach the cables from the other power supply There is no standard color coding for DC power cable
165. he right side of the craft interface contains Routing Engine status LEDs and three ports for connecting the Routing Engine to external devices on which system administrators can issue JUNOS command line interface CLI commands to manage the router The green LED labeled OK and red LED labeled FAIL indicate Routing Engine status as described in Table 7 Table 7 States for Routing Engine LEDs Label Shape Color State Description OK Green On steadily System Control Board detects presence of the Routing Engine Blinking Routing Engine is starting up FAIL O Red On steadily Routing Engine is not operational or System Control Board does not detect its presence Hardware Component Overview o Power Supplies The interface ports with the indicated label function as follows W MANAGEMENT ETHERNET Connects the Routing Engine through an Ethernet connection to a management LAN or any other device that plugs into an Ethernet connection for out of band management The port uses an autosensing RJ 45 connector to support both 10 and 100 Mbps connections W CONSOLE Connects the Routing Engine to a system console through an RS 252 EIA 252 serial cable W AUXILIARY Connects the Routing Engine to a laptop modem or other auxiliary device through an RS 252 EIA 252 serial cable For information about the pinouts for the connectors see Cable Connectors and Pinouts on page 207 Power Suppli
166. he router is designed so that no single point of failure can cause the entire system to fail The following hardware components contribute to system redundancy W Cooling system When the temperature inside the router is below the acceptable maximum the cooling system s components function at less than full speed If the temperature becomes excessive for example because a cooling system component is removed the SCB automatically increases the speed of the remaining components to reduce the temperature The cooling system can function at the higher speed indefinitely For more information see Cooling System on page 23 W Power supply The router has two load sharing power supplies to distribute power to the other components If one power supply fails the second power supply can provide full power to the router s components indefinitely For more information see Power Supplies on page 20 o M40 Internet Router Hardware Guide Safety Requirements Warnings and Guidelines Safety Requirements Warnings and Guidelines To avoid harm to yourself or the router as you install and maintain it you need to follow the guidelines for working with and near electrical equipment as well as the safety procedures for working with Internet routers For a discussion of how to make the installation site a safe environment see Prepare the Site on page 39 For a list of safety warnings see Regulatory Compliance and Safety Information on
167. he support representative validates your request and issues an RMA number for return of the component 5 Pack the router or component for shipment performing the procedure described in Pack the Router for Shipment on page 220 or Pack Components for Shipment on page 221 Return the Router or Its Components Q Return the Router or Its Components Locate Component Serial Numbers Your request for an RMA must include the component part and serial numbers Issue the CLI show chassis hardware command to list the numbers for all components installed in the chassis user host gt show chassis hardware Hardware inventory tem Chassis Backplane Power Supply A Power Supply B Maxicab Minicab Display Routing Engine Version REV Rev Rev REV REV REV 06 Al 05 02 07 Part number 710 000073 740 000234 740 000234 710 000229 710 000482 710 000150 Serial number 00126 AA2097 000001 000132 AA4390 AA4423 AA4352 Description M40 AC AC RE 1 0 Most components also have a small rectangular serial number ID label see Figure 96 attached to the component body Figure 96 Serial Number ID Label maT AD6003 1600 The following sections describe the tag location on each type of component 216 M40 Internet Router Hardware Guide FPC Serial Number ID Label on page 217 PIC Serial Number ID Label on page 217 Power Supply Serial Number ID Label on page 218 Routing Engine Serial N
168. hen with nuts as shown in Figure 19 Replace the plastic protective shield The nuts and washers that secure the power cables to the terminal studs are already installed on the studs Prepare the Site o Power System Requirements and Specifications For complete instructions see Connect Power to a DC Powered Router on page 123 Caution System Power Requirements Do not substitute a metric nut driver or wrench for the 7 16 in nut driver or wrench needed to tighten and loosen the nuts on the terminal studs A tool that does not fit the nuts exactly can damage them If a 7 16 in tool is not available use pliers or an adjustable wrench Table 14 lists the power requirements for the individual hardware components The values in this table are listed under typical voltage conditions The power requirements are the same for both the DC and AC power supplies Table 14 System Power Requirements Component Power Watts Base system all items except the FPCs and PICs with the fans running in normal 287 mode approximate Fans at full speed additional power consumed when all the fans are running at their 144 maximum approximate BPC 25 7 The numbers listed in Table 14 are fairly accurate for larger typical configurations When the total power consumption is calculated to be less than 600 watts you should increase the number by 10 percent because the efficiency of the power supply is lower when supp
169. hout Using a Mechanical Lift Remove the Cable Management System The cable management system is located at the top front of the chassis above the card cage see Figure 1 It weighs only about 1 Ib 0 5 kg but you might want to remove it so that it does not interfere with your hand hold as you lift the chassis To remove the cable management system follow this procedure 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Unscrew the two captive screws on top of the cable management system cover and remove the cover see Figure 30 3 Unscrew the four screws on the faceplate of the cable management system see Figure 31 4 Remove the unit from the chassis Figure 30 Remove the Cable Management System Cover Captive screws 1077 Figure 31 Remove the Cable Management System 1050 Q M40 Internet Router Hardware Guide Remove the FPCs Install the Router without Using a Mechanical Lift The router can have up to eight FPCs mounted vertically in the FPC card cage at the front of the chassis see Figure 1 An FPC that houses four PICs weighs about 3 Ib 1 5 kg To help you work systematically the following procedure directs you to remove FPCs starting at the left side of the card cage and working toward the right You can remove FPCs in any order however As you remove each FPC label it with its slot number and record the relevant information in t
170. ic bags Do not stack any of the Packet Forwarding Engine components Caution Return the Router or Its Components o Return the Router or Its Components M40 Internet Router Hardware Guide Glossary AAL ATM adaptation layer A series of protocols enabling various types of traffic including voice data image and video to run over an ATM network ADM Add drop multiplexer SONET functionality that allows lower level signals to be dropped from a high speed optical connection ANSI American National Standards Institute The United States representative to the ISO ARP Address Resolution Protocol Protocol for mapping IP addresses to MAC addresses AS Autonomous system Set of routers under a single technical administration Each AS normally uses a single interior gateway protocol IGP and metrics to propagate routing information within the set of routers Also called routing domain ASIC Application specific integrated circuit Specialized processors that perform specific functions on the router ATM Asynchronous Transfer Mode A high speed multiplexing and switching method utilizing fixed length cells of 53 octets to support multiple types of traffic autonomous system See AS backplane Forms the rear of the FPC card cage Provides data transfer power distribution and signal connectivity bandwidth The range of transmission frequencies a network can use expressed as the difference between the highest and lowest fre
171. ide guides in the card cage Slide the FPC all the way into the card cage until it contacts the backplane Push the ends of the extractor clips toward each other to secure the FPC in the chassis Using a Phillips screwdriver tighten the thumbscrew at each end of the FPC to seat the unit firmly in the chassis Repeat Steps 4 through 7 for each FPC proceeding from left to right through the remaining FPC slots Install the Router without Using a Mechanical Lift Figure 40 Reinstall an FPC LEDs and offline button 1060 Reinstall the Cable Management System The cable management system is located at the top front of the chassis above the card cage see Figure 1 If you removed it in Remove the Cable Management System on page 104 follow this procedure to reinstall it 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Place the cable management system on the chassis aligning the screws on its faceplate with the mounting holes on the chassis see Figure 41 3 Using a Phillips screwdriver tighten the screws 4 Replace the cable management system cover and tighten its captive screws to the top of the metal prongs at either end of the cable management system see Figure 42 Figure 41 Reinstall the Cable Management System 1075 Install the Router and Configure Software Insta
172. ield replaceable units hot removable and hot insertable See field replaceable units FECUMAANCY E 4 requiring power down See field replaceable units software See JUNOS Internet software configuration files storage by Routing Engine ssssse 34 JUNOS Internet software 00 0 0 eee eeeeetees 127 console port on craft interface cable connecting during initial installation 120 connector pinouts DB 9 esee 208 replacement Ipstructlons ee 187 specifications 2 ee eee esere rreren 53 GESCHIPHON i cu coste Le bade es 19 control packets handling of 15 cooling system description hardware and function 25 maintenance aso mene DR DO GC n etg 155 See also air filter fan tray lower impeller assembly power supply fan upper impeller assembly troubleshooting ice mr hene etu 198 cord AC power See AC power cord craft interface alarm e Le gel e EE 18 relay contacts See alarm relay contacts description hardware and function 17 TCDD EE 19 LEDs alarm red and yellow 18 FPG seins scelte tetuer ti etu 18 routine inspection of 155 Routing Engine ports See auxiliary port on craft interface console port on craft interface Ethernet port on craft interface crate See shipping crate data flow through Packet Forwarding Engine 55 DB 9 cable connector pinouts auxiliary and console uj M R 208 DC power and grounding cab
173. ifies a second Distributed Buffer Manager ASIC on the backplane of the routing decision 6 The Distributed Buffer Manager ASIC forwards the notification to the FPC that hosts the outbound PIC 7 Thel O Manager ASIC on the FPC reassembles data cells in shared memory into data packets as they are ready for transmission and passes them to the outbound PIC 8 The outbound PIC transmits the data packets Routing Engine Architecture The Routing Engine is an Intel based PCI platform running the JUNOS Internet software which Juniper Networks has developed and optimized to handle large numbers of network interfaces and routes The software consists of a set of system processes running in protected memory modules on top of an independent operating system The JUNOS kernel supports JUNOS system processes which handle system management processes routing protocols and control functions see Figure 15 The Routing Engine has a dedicated 100 Mbps internal connection to the Packet Forwarding Engine System Architecture Overview o Routing Engine Architecture Figure 13 Routing Engine Architecture A System Routing Control System processes management protocols functions JUNOS processes Kernel Operating system _Y Intel based PCI platform ka Kai Routing Engine Functions The Routing Engine handles all routing protocol processes as well as the software processes that control the router s interfaces
174. igure 26 Remove a Power Supply Captive screw Extractor inserter Safety interlock lever 1018 Install the Router and Configure Software Install the Router without Using a Mechanical Lift Remove the Routing Engine Housing The Routing Engine resides in a metal housing in the rear of the chassis below the fan tray see Figure 2 The Routing Engine housing weighs approximately 17 Ib 8 kg and is about 16 in 40 64 cm deep To remove the Routing Engine housing follow this procedure see Figure 27 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Unscrew the screws along the left and right edges of the Routing Engine housing six in all using a Phillips screwdriver if necessary Grasp the handles located at either side of the Routing Engine housing and slide the unit about halfway out of the chassis Move one of your hands underneath the housing to support it and slide it completely out of the chassis Figure 27 Remove the Routing Engine Housing Mounting screws ess 1019 Mounting screws Remove the Upper Impeller Assembly The upper impeller assembly is located at the top rear of the chassis above the fan tray see Figure 2 The assembly weighs approximately 10 Ib 4 kg To remove the upper impeller assembly follow this procedure see Figure 28 1 2 M40 Internet Rout
175. iliary Device ee 120 Connect to an External Alarm Reporting Device cee eeeeeeteeeee 121 Connect PIC Cables oue ctt tete be Robert de ies c ot ned Apte ttp ety 121 Provide Power tothe ROULGE yop gri e ep en REN nga 122 Connect Power to an AC Powered ROUTEN io tianranieeerien e Ya 125 Connect Power to a DC Powered Router sssssssss He 125 Power Ornthe ROUter yo teer eden eee ees teet tates 125 Configure the JUNOS Internet Software 127 Hardware Maintenance and Replacement Procedures Hardware Maintenance Overview sss 133 Routine Maintenance Procedure Ss 3 det a SE a det ee 133 Replacing ERU Sirnenren nerui enimi ge hs iita T gend ires E E OEEO ESNA Pee 133 Maintain and Replace the Power Supplies 135 Tools and Parts Berechtegung 155 Maintain the Power SUppliess c reueg Eeer 135 Replace an AG Power Supply iic veter Pet re ee Eege AE 156 Remove an AG Power Supply oeste vete ete ertet D Hee 157 Installzan AC Eemer Supply n ee este tete decet die oot ee ac 158 Disconnect and Connect AC Power eee eene 140 Disconnect AC Power from the Router sssssssssss e 140 Connect AC Power to the ROUEer Seege o Hebe e ete Pe Te ER d ens 140 Replace a WC POWer SUDDIV 445 edet eerie herbe erugeet 141 Remove a DC Power Supply retentione edente O Aas 142 Install a DC Power Supply ee eem 144 Table of Contents o Disconnect and Connect DC Ewe 4 e te ie due ded rode eges 147
176. ing a Phillips screwdriver if necessary 4 Grasp the sides of the assembly and slide it about halfway out of the chassis 5 Move one of your hands underneath the assembly to support it and slide it completely out of the chassis Figure 71 Remove the Lower Impeller Assembly Craft interface display Screws 1023 Qo M40 Internet Router Hardware Guide Replace the Upper Impeller Assembly Install the Lower Impeller Assembly The lower impeller assembly is located behind the craft interface at the front the chassis see Figure 1 To install it follow this procedure see Figure 72 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Grasp the sides of the assembly and align the rear with the slide guides in the chassis 3 Slide the assembly all the way into the chassis until it contacts the backplane 4 Using a Phillips screwdriver tighten the three captive screws at the bottom edge of the assembly to seat it firmly in the chassis 5 Install the air filter as described in Install the Air Filter on page 155 Figure 72 Install the Lower Impeller Assembly Screws 1062 Replace the Upper Impeller Assembly The upper impeller assembly is located at the top rear of the chassis above the fan tray see Figure 2 and works together with the lower assembly to cool the Packet Forwarding Engine components It is hot remo
177. irements Regulatory Compliance and Safety Information o Compliance Statements for EMC Requirements Compliance Statements for EMC Requirements Canada This Class A digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe A est conforme a la norme NMB 003 du Canada European Community This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures japan CORI VIA A RHINE CT COREE REE CHATS ECKE bk E KE e ECK Wale le TE 2389738 EC 5dososkesd5ckAA50rx4 VCCI A The preceding translates as This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures VCCI A Taiwan EE PANS SE m EER mn aie Sia kH ATE DAAR T KAS SRSA PES EUNT United States The router has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful int
178. isconnect the cable from the network device 2 Plug one end of the replacement Ethernet cable into the MANAGEMENT ETHERNET port 3 Plug the other end of the cable into the network device M40 Internet Router Hardware Guide Replace Cables and Wire Connecting to Routing Engine Interface Ports Figure 89 Management Port Ethernet Connector m 1063 Replace the Console or Auxiliary Cable The cable that plugs into the port labeled CONSOLE on the craft interface connects the Routing Engine to a system console The cable that plugs into the port labeled AUXILIARY connects the Routing Engine to a laptop modem or other auxiliary device see Figure 88 Both ports accept an RS 232 EIA 232 serial cable with DB 9 DB 9 connectors One such cable is provided with the router as detailed in Routing Engine Interface Cable and Wire Specifications on page 52 If you want to connect devices to both ports you must supply another cable To replace the cable connecting to a management console or auxiliary device follow this procedure 1 Ifa cable is already installed in the CONSOLE or AUXILIARY port perform the following steps a Turn off the power to the console or auxiliary device b Unscrew the screws that secure the cable connector to the port using a 2 5 mm flat blade screwdriver if necessary Figure 90 shows the cable connector c Pull the cable connector straight out of the port d Disconnect the cable from the consol
179. isla o nacional jAdvertencia El desecho final de este producto debe realizarse seg n todas las leyes y regulaciones nacionales Varning Slutlig kassering av denna produkt b r sk tas i enlighet med landets alla lagar och f reskrifter Agency Approvals The router complies with the following standards W Safety m CAN CSA 22 2 No 60950 00 UL 1950 Third Edition Safety of Information Technology Equipment m EN 60825 1 Safety of Laser Products Part 1 Equipment Classification Requirements and User s Guide m EN 60825 2 Safety of Laser Products Part 2 Safety of Optical Fibre Communication Systems m EN 60950 Safety of Information Technology Equipment o M40 Internet Router Hardware Guide Agency Approvals W EMC m AS NZS 3548 Class A Australia New Zealand m BSMI Class A Taiwan m EN 55022 Class A Emissions Europe m FCC Part 15 Class A USA m VCCI Class A Japan E immunity m EN 61000 5 2 Power Line Harmonics m EN 61000 4 2 ESD m EN 61000 4 5 Radiated Immunity m EN 61000 4 4 EFT m EN 61000 4 5 Surge m EN 61000 4 6 Low Frequency Common Immunity m EN 1000 4 11 Voltage Dips and Sags E NEBS designed to meet these standards m GR 65 Core NEBS Physical Protection m GR 1089 Core EMC and Electrical Safety for Network Telecommunications Equipment m SR 5580 NEBS Criteria Levels Level 5 Compliance W ETSI m ETS 500586 2 Telecommunication Network Equipment Electromagnetic Compatibility Requ
180. ith the FPC slot number for example 4 prepares the FPC for removal from the router when pressed Press and hold the button for about 5 seconds until the FAIL LED lights Table 5 States for FPC LEDs Label Shape Color State Description OK Green On steadily FPC is functioning normally Blinking FPC is starting up FAIL CH Red On steadily FPC has failed or is offline Alarm Relay Contacts LEDs and Cutoff Button The area labeled ALARM at the left side of the craft interface contains two alarm LEDs and relay contacts and the alarm cutoff button see Figure 7 The circular LED labeled RED ALARM lights to indicate a critical condition that can result in a system shutdown The triangular LED labeled YELLOW ALARM lights to indicate a less severe condition that requires monitoring or maintenance Both LEDs can be lit simultaneously The LCD on the craft interface reports the cause of the alarm To the left of the LEDs are the corresponding relay contacts for connecting the router to external alarm reporting devices A system condition that causes the red or yellow alarm LED to light on the craft interface also activates the corresponding alarm relay contact For instructions for attaching a device to the alarm relay contacts see Connect to an External Alarm Reporting Device on page 121 To deactivate red and yellow alarms press the button labeled ALARM CUTOFF which is located to the right of th
181. its own antistatic mat on a flat stable surface Caution 5 Repeat Step 4 for each FPC card carrier or blank cover proceeding from left to right Figure 32 Remove an FPC Extractor clip LEDs and offline button 1060a Remove the SCB The SCB is located at the center of the card cage at the front of the chassis see Figure 1 It weighs approximately 1 Ib 0 5 kg To remove the SCB follow this procedure see Figure 55 1 Place an electrostatic bag or antistatic mat on a flat stable surface to receive the SCB 2 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 5 Unscrew the thumbscrew at each end of the SCB using a Phillips screwdriver if necessary 4 Pullthe ends of the extractor clips which are adjacent to the thumbscrews toward the outer edges of the SCB M40 Internet Router Hardware Guide Install the Router without Using a Mechanical Lift 5 Grasp both sides of the SCB and slide it about halfway out of the chassis 6 Place one hand under the SCB to support it slide it completely out of the chassis and place it on the antistatic mat or in the electrostatic bag prepared in Step 1 Figure 33 Remove the SCB Extractor clip ee Thumbscrew ios D DO hiii E Au o UIT A Bg D Ca Sich 1 e n0 9
182. k periodically when it is functioning normally For more information see SCB Components on page 15 W Issue the CLI show chassis scb command to check the status of the SCB As shown in the sample output the Uptime field reports how long the SCB has been functioning user host gt show chassis scb SCB status Temperature 26 degrees C 78 degrees F CPU utilization 2 percent Interrupt utilization 0 percent Heap utilization 16 percent Buffer utilization 44 percent Total CPU DRAM 64 MB Internet Processor II Version 1 Foundry IBM Part number 9 Start time 2003 05 22 11 43 46 PDT Uptime 4 days 4 hours 11 minutes 15 seconds For further description of the output from the command see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management Replace the SCB The SCB is hot pluggable as described in Field Replaceable Units FRUs on page 4 When the SCB fails or is removed from the chassis forwarding halts until it is replaced and functioning again Maintain and Replace Packet Forwarding Engine Components Q Replace the SCH To replace the SCB perform the following procedures W Remove the SCB on page 170 W Install the SCB on page 171 Remove the SCB The SCB is located at the center of the card cage at the front of the chassis see Figure 1 It weighs approximately 1 Ib 0 5 kg To remove the SCB follow this procedure see Figure 79 1 Place a
183. lace the other hand under the unit to support it 4 With a finger of the hand that is grasping the handle lift and hold up the safety interlock lever On an AC power supply the lever is just below the appliance inlet On a DC power supply it is just below the power switch 5 While holding the safety interlock lever up slide the power supply into the chassis until it contacts the backplane 6 Still holding the safety interlock lever up turn the extractor inserter clockwise until the power supply engages with the connectors on the backplane 7 Push the safety interlock lever down 8 Using a Phillips screwdriver tighten but do not overtighten the thumbscrew at each upper corner of the power supply faceplate 9 Repeat Steps 5 through 8 to reinstall the second power supply M40 Internet Router Hardware Guide Connect the Router to Management and Alarm Devices Figure 46 Reinstall a Power Supply Extractor inserter Captive screw Wis E Safety interlock lever FAIL OK OD 1035 Connect the Router to Management and Alarm Devices After you have installed the router into the rack connect the Routing Engine to one or more external devices for management and service operations Figure 47 shows the location of the Routing Engine interface ports and alarm relay contacts on the craft interface For specifications for the cable and wire that inserts into the ports see Routing
184. lank panels one for each component that you are removing Maintain and Replace Routing Engine Components Maintain the Routing Engine Maintain the Routing Engine To maintain the Routing Engine perform the following procedures on a regular basis E Check the LCD and the Routing Engine LEDs on the craft interface The LCD reports Routing Engine status during normal operation and describes the cause of failures when they occur The green LED labeled OK lights steadily when the Routing Engine is functioning normally For more information about the LEDs and LCD see Craft Interface on page 17 W Issue the CLI show chassis routing engine command to check the status of the Routing Engine user host gt show chassis routing engine Routing Engine status Temperature 25 degrees C 77 degrees F DRAM 256 MB Memory utilization 32 percent CPU utilization User 0 percent Background 0 percent Kernel 0 percent Interrupt 0 percent Idle 99 percent Model RE 1 0 Start time 2003 05 22 11 40 03 PDT Uptime 21 hours 15 minutes 39 seconds Load averages 1 minute 5 minute 15 minute 0 00 0 00 0 00 For further description of the output from the command see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management Replace the Routing Engine Housing The Routing Engine resides in a metal housing in the rear of the chassis below the fan tray see Figure 2 The housing is not a FRU but
185. les connection instructions during initial Installatton 125 for maintenance or replacement 149 disconnection JnstructHons 147 lugs E et ed estero e dies 46 SECHS iare oe oper OR e ERR RI ThE RE ERI RE REGE 46 tools e te WEE 181 DC power supply cables See DC power and grounding cables description hardware and function 22 Sro nding is cce tds tte pt abt ane SE 45 installation instructions during initial installation for maintenance or replacement integrated fon KRIS eer maintenance removal instructions during initial Installatton 101 for maintenance or replacement 142 senal EIERE M eege 218 tee 22 ee e a oen Ld eng nte 155 troubleshooting sssssssss 195 KEE 99 dispersion in fiber optic cable 50 Distributed Buffer Manager ASIC component on backplane 10 role i forwarding cete tete teres 55 documentation feedback sss xxi E1 PIC pinouts for RJ 48 cable eee 208 earthquakes site preparation for tested toleration for shock BIA frack standards icr rtt reet Res electrical specifications See specifications Index electricity safety Warnings edere etes 60 site wiring guidelines eee eeee 49 electromagnetic compatibility See EMC pulse eegene etes 49 electrostatic bag using to store components 91 EMC EMI compliance with requirements S
186. limentaci n para eliminar la alimentaci n por completo deben desconectarse completamente todas las conexiones Varning Denna enhet har mer n en str mf rs rjningsanslutning alla anslutningar m ste vara helt avl gsnade innan str mtillf rseln till enheten ar fullst ndigt bruten Regulatory Compliance and Safety Information Safety Guidelines and Warnings Power Disconnection Warning Warning Before working on the router or near power supplies unplug the power cord from an AC router switch off the power at the circuit breaker on a DC router Waarschuwing Voordat u aan een frame of in de nabijheid van voedingen werkt dient u bij wisselstroom toestellen de stekker van het netsnoer uit het stopcontact te halen voor gelijkstroom toestellen dient u de stroom uit te schakelen bij de stroomverbreker Varoitus Kytke irti vaihtovirtalaitteiden virtajohto ja katkaise tasavirtalaitteiden virta suojakytkimell ennen kuin teet mit n asennuspohjalle tai ty skentelet virtal hteiden l heisyydess Attention Avant de travailler sur un ch ssis ou proximit d une alimentation lectrique d brancher le cordon d alimentation des unit s en courant alternatif couper l alimentation des unit s en courant continu au niveau du disjoncteur Warnung Bevor Sie an einem Chassis oder in der N he von Netzger ten arbeiten ziehen Sie bei Wechselstromeinheiten das Netzkabel ab bzw schalten Sie bei Gleichstromeinheiten den Strom am Unt
187. lips which are located at each end of the SCB towards each other to secure the SCB in the chassis 6 Using a Phillips screwdriver tighten the thumbscrew at each end of the SCB to seat the unit firmly in the chassis 7 Verify that the green LEDs labeled ACTIVE and RUN blink periodically on the SCB faceplate You can also verify SCB functioning by issuing the show chassis scb command as described in Maintain the SCB on page 169 Figure 80 Install the SCB Extractor clip Thumbscrew 1 4 1 EJ DDDDEHDBR t eka 1049 Maintain and Replace Packet Forwarding Engine Components Q Replace the SCH M40 Internet Router Hardware Guide Maintain and Replace Routing Engine Components This chapter discusses the following topics about maintaining and replacing Routing Engine components W Tools and Parts Required on page 173 W Maintain the Routing Engine on page 174 W Replace the Routing W Replace the Routing Engine Housing on page 174 Engine on page 176 E Replace the LS 120 Drive on page 180 Tools and Parts Required To replace Routing Engine components you need the following the tools and parts W Phillips screwdrivers numbers 1 and 2 W Electrostatic bags or antistatic mats one for each component removed E ESD grounding wrist strap W Replacement components or b
188. ll the Router without Using a Mechanical Lift Figure 42 Reinstall the Cable Management System Cover Captive screws 1076 Reinstall the Fan Tray The fan tray is located at the rear of the chassis beneath the upper impeller assembly see Figure 2 On some M40 routers the tray is covered by a protective screen which should already be in place on the tray To reinstall the tray follow this procedure see Figure 45 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Slide the fan tray into the chassis 5 Align the screws at the corners of the fan tray with the mounting holes at the edges of the opening and use a Phillips screwdriver to tighten the screws Figure 43 Reinstall the Fan Tray si 1053 M40 Internet Router Hardware Guide Install the Router without Using a Mechanical Lift Reinstall the Upper Impeller Assembly The upper impeller assembly is located at the top rear of the chassis above the fan tray see Figure 2 To reinstall it follow this procedure see Figure 44 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Grasp the handle at the top of the assembly and slide the assembly all the way into the chassis 3 Using a Phillips screwdriver tighten the thumbscrews at the lower corners of the assembly Figure 44 Reinstall the Upper Impeller Assembly
189. llation in restricted access areas A restricted access area is an area to which access can be gained only by service personnel through the use of a special tool lock and key or other means of security and which is controlled by the authority responsible for the location Waarschuwing Dit toestel is bedoeld voor installatie op plaatsen met beperkte toegang Een plaats met beperkte toegang is een plaats waar toegang slechts door servicepersoneel verkregen kan worden door middel van een speciaal instrument een slot en sleutel of een ander veiligheidsmiddel en welke beheerd wordt door de overheidsinstantie die verantwoordelijk is voor de locatie Varoitus T m laite on tarkoitettu asennettavaksi paikkaan johon p sy on rajoitettua Paikka johon p sy on rajoitettua tarkoittaa paikkaa johon vain huoltohenkil st p see jonkin erikoisty kalun lukkoon sopivan avaimen tai jonkin muun turvalaitteen avulla ja joka on paikasta vastuussa olevien toimivaltaisten henkil iden valvoma Attention Cet appareil est installer dans des zones d acc s r serv Ces derni res sont des zones auxquelles seul le personnel de service peut acc der en utilisant un outil sp cial un m canisme de verrouillage et une cl ou tout autre moyen de s curit L acc s aux zones de s curit est sous le contr le de l autorit responsable de l emplacement Warnung Diese Einheit ist zur Installation in Bereichen mit beschr nktem Zutritt vorgesehen Ei
190. loped by Bellcore and designed to run on optical fiber STS 1 is the basic building block of SONET Approved as an international standard in 1988 See also SDH Shortest path first an algorithm used by IS IS and OSPF to make routing decisions based on the state of network links Also called the Dijkstra algorithm Glossary o Glossary SSH SSRAM STM STS subnet mask Switch Interface Board sysid TCP ToS traffic engineering tunnel type of service unicast UPS vapor corrosion inhibitor VCI VCI virtual circuit identifier Secure shell Software that provides a secured method of logging in to a remote network system Synchronous Static Random Access Memory Synchronous Transport Module CCITT specification for SONET at 155 52 Mbps Synchronous Transport Signal Synchronous Transport Signal level 1 Basic building block signal of SONET operating at 51 84 Mbps Faster SONET rates are defined as STS n where n is a multiple of 51 84 Mbps See also SONET Number of bits of the network address used for host portion of a Class A Class B or Class C IP address See SIB System identifier Portion of the ISO nonclient peer The sysid can be any 6 bytes that are unique throughout a domain Transmission Control Protocol Works in conjunction with Internet Protocol IP to send data over the Internet Divides a message into packets and tracks the packets from point of origin to destination Type of
191. los siguientes pasos comprobar que la alimentaci n del circuito de corriente continua CC est cortada OFF Para asegurarse de que toda la alimentaci n est cortada OFF localizar el interruptor autom tico en el panel que alimenta al circuito de corriente continua cambiar el interruptor autom tico a la posici n de Apagado OFF y sujetar con cinta la palanca del interruptor autom tico en posici n de Apagado OFF Varning Innan du utf r n gon av f ljande procedurer m ste du kontrollera att str mf rs rjningen till likstr mskretsen r bruten Kontrollera att all str mf rs rjning r BRUTEN genom att sl AV det versp nningsskydd som skyddar likstr mskretsen och tejpa fast versp nningsskyddets omkopplare i FRAN laget o M40 Internet Router Hardware Guide Safety Guidelines and Warnings DC Power Grounding Requirements and Warning An insulated grounding conductor that is identical in size to the grounded and ungrounded branch circuit supply conductors but is identifiable by green and yellow stripes is installed as part of the branch circuit that supplies the unit The grounding conductor is a separately derived system at the supply transformer or motor generator set For further information see DC Power and Grounding Cable Specifications on page 46 When installing the router the ground connection must always be made first and disconnected last Waarschuwing Bij de installatie van het toestel moet de
192. lying less current The 10 percent reduction at lower power levels is an approximation The actual reduction in efficiency is nonlinear and depends on the particular mix of PICs Because of variation in components temperature and supply voltage we recommend you provision at least 55A 48V DC for a DC powered router or 8A 208V AC for an AC powered router This allows you to operate the router in any configuration without upgrading the power infrastructure o M40 Internet Router Hardware Guide Site Electrical Wiring and Cable Guidelines Site Electrical Wiring and Cable Guidelines When planning the electrical wiring and cabling at your site consider the factors discussed in the following sections Distance Limitations for Signaling Improperly installed wires can emit radio interference In addition the potential for damage from lightning strikes increases if wires exceed recommended distances or if wires pass between buildings The electromagnetic pulse EMP caused by lightning can damage unshielded conductors and destroy electronic devices If your site has previously experienced such problems you might want to consult experts in electrical surge suppression and shielding Radio Frequency Interference You can reduce or eliminate the emission of radio frequency interference RFI from your site wiring by using twisted pair cable with a good distribution of grounding conductors If you must exceed the recommended distance
193. mly to slide the unit about halfway out of the chassis 8 Place one hand under the power supply to support it then slide it completely out of the chassis Maintain and Replace the Power Supplies Replace an AC Power Supply Figure 53 Remove an AC Power Supply Captive screw Safety interlock lever Extractor inserter 1018 Install an AC Power Supply To install an AC power supply follow this procedure 1 M40 Internet Router Hardware Guide Verify that the switch on the power supply faceplate is in the OFF O position Locate the power cord shipped with the router which should be appropriate for your geographical location see AC Power Cord Specifications on page 45 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis Grasp the handle on the power supply faceplate with one hand and place the other hand under the unit to support it With a finger of the hand that is grasping the handle lift and hold up the safety interlock lever which is just below the appliance inlet While holding the safety interlock lever up slide the power supply into the chassis until it contacts the backplane Still holding the safety interlock lever up turn the extractor inserter clockwise until the power supply engages with the connectors on the backplane Push the safety interlock lever down Using a Phillips screwdriver tighten but do not overti
194. moved from the DC circuit To ensure that all power is off locate the circuit breaker on the panel board that services the DC circuit switch the circuit breaker to the OFF position and tape the switch handle of the circuit breaker in the OFF position Warning Waarschuwing Voordat u een van de onderstaande procedures uitvoert dient u te controleren of de stroom naar het gelijkstroom circuit uitgeschakeld is Om u ervan te verzekeren dat alle stroom UIT is geschakeld kiest u op het schakelbord de stroomverbreker die het gelijkstroom circuit bedient draait de stroomverbreker naar de UIT positie en plakt de schakelaarhendel van de stroomverbreker met plakband in de UIT positie vast Varoitus Varmista ett tasavirtapiirissa ei ole virtaa ennen seuraavien toimenpiteiden suorittamista Varmistaaksesi ett virta on KATKAISTU t ysin paikanna tasavirrasta huolehtivassa kojetaulussa sijaitseva suojakytkin k nn suojakytkin KATKAISTU asentoon ja teippaa suojakytkimen varsi niin ett se pysyy KATKAISTU asennossa Attention Avant de pratiquer l une quelconque des proc dures ci dessous v rifier que le circuit en courant continu n est plus sous tension Pour en tre s r localiser le disjoncteur situ sur le panneau de service du circuit en courant continu placer le disjoncteur en position ferm e OFF et l aide d un ruban adh sif bloquer la poign e du disjoncteur en position OFF Warnung Vor Ausf hrung der folgenden Vorg ng
195. n 114 for maintenance or replacement 165 lower impeller assembly during initial installation 111 for maintenance or replacement 159 ESs120 dtiVe oss ete brem a 180 PIC quad Wide aiio d theta 165 regular router preparation LORE e ausente eg ie n erii 89 LOOIS required s eode dot teet 97 usinig mecharnical lift un iere 98 without mechanical lift sess 99 Routing ENGIN Enia ecciesie 178 Routing Engine housing during initial installation 117 for maintenance or replacement 175 SCB during initial installation ssse 115 for maintenance or replacement 171 upper impeller assembly during initial installation 117 for maintenance or replacement 160 instructions calculation power DUEB tte t E eret 51 POWEPIMALSIN 52352 mener ederet 51 cleaning fiber optic transceivers ssss 215 installation See installation instructions maintenance AC powersupply ennen eo tete 155 AT PTEE ees hte e QUARO Re 154 cables fib r optic i tech een 182 Gables PIG ete terre teer vette 182 COOlIDE SVSLOTTU c ce eT E ne E red 155 DG power Supply cu daecegesceot suene sine vices 155 LANL AY ees netten eigen ptt edt Pot rco n 155 general guidelines s
196. n installeras eller underh lls pa st llningen Ramp Warning When installing the router do not use a ramp inclined at more than 10 degrees Waarschuwing Gebruik een oprijplaat niet onder een hoek van meer dan 10 graden wae Varoitus Ala k yt sellaista kaltevaa pintaa jonka kaltevuus ylitt 10 astetta Attention Ne pas utiliser une rampe dont l inclinaison est sup rieure 10 degr s Warnung Keine Rampen mit einer Neigung von mehr als 10 Grad verwenden Avvertenza Non usare una rampa con pendenza superiore a 10 gradi Advarsel Bruk aldri en rampe som heller mer enn 10 grader Aviso N o utilize uma rampa com uma inclina o superior a 10 graus jAdvertencia No usar una rampa inclinada m s de 10 grados Varning Anv nd inte ramp med en lutning pa mer an 10 grader Laser and LED Safety Guidelines and Warnings Single mode Physical Interface Cards PICs are equipped with laser transmitters which are considered a Class 1 Laser Product by the U S Food and Drug Administration and are evaluated as a Class 1 Laser Product per EN 60825 requirements Observe the following guidelines and warnings W General Laser Safety Guidelines on page 77 W Class 1 Laser Product Warning on page 77 W Class 1 LED Product Warning on page 78 Q M40 Internet Router Hardware Guide Safety Guidelines and Warnings W Laser Beam Warning on page 78 W Radiation From Open Port Apertures Warning on page 79 General Laser Safety Guidelines Whe
197. n otro medio de seguridad y que est bajo el control de la autoridad responsable del local Varning Denna enhet ar avsedd f r installation i omr den med begr nsat tilltr de Ett omr de med begr nsat tilltr de f r endast tilltr das av servicepersonal med ett speciellt verktyg l s och nyckel eller annan s kerhetsanordning och kontrolleras av den auktoritet som ansvarar f r omr det Regulatory Compliance and Safety Information Safety Guidelines and Warnings Electrical Safety Guidelines and Warnings When working on equipment powered by electricity follow the guidelines described in the following sections W General Electrical Safety Guidelines on page 60 W AC Power Electrical Safety Guidelines on page 61 W DC Power Electrical Safety Guidelines on page 61 W Copper Conductors Warning on page 65 W DC Power Disconnection Warning on page 64 W DC Power Grounding Requirements and Warning on page 65 W DC Power Wiring Sequence Warning on page 66 W DC Power Wiring Terminations Warning on page 67 W Grounded Equipment Warning on page 68 W In Case of Electrical Accident on page 68 E Backplane Energy Hazard Warning on page 68 W Multiple Power Supplies Disconnection Warning on page 69 W Power Disconnection Warning on page 70 W TN and IT Power Warning on page 71 General Electrical Safety Guidelines W Install the router in compliance with the following local national or international electrical codes m United St
198. n Bereich mit beschr nktem Zutritt ist ein Bereich zu dem nur Wartungspersonal mit einem Spezialwerkzeugs Schlo und Schl ssel oder anderer Sicherheitsvorkehrungen Zugang hat und der von dem f r die Anlage zust ndigen Gremium kontrolliert wird Avvertenza Questa unit deve essere installata in un area ad accesso limitato Un area ad accesso limitato un area accessibile solo a personale di assistenza tramite un attrezzo speciale lucchetto o altri dispositivi di sicurezza ed controllata dall autorit responsabile della zona Advarsel Denne enheten er laget for installasjon i omr der med begrenset adgang Et omr de med begrenset adgang gir kun adgang til servicepersonale som bruker et spesielt verkt y l s og n kkel eller en annen sikkerhetsanordning og det kontrolleres av den autoriteten som er ansvarlig for omr det Aviso Esta unidade foi concebida para instala o em reas de acesso restrito Uma rea de acesso restrito uma rea qual apenas tem acesso o pessoal de servi o autorizado que possua uma ferramenta chave e fechadura especial ou qualquer outra forma de seguran a Esta rea controlada pela autoridade respons vel pelo local Advertencia Esta unidad ha sido dise ada para instalarse en reas de acceso restringido rea de acceso restringido significa un rea a la que solamente tiene acceso el personal de servicio mediante la utilizaci n de una herramienta especial cerradura con llave o alg
199. n TN IT sahk voimajarjestelmien yhteydess Attention Ce dispositif a t con u pour fonctionner avec des syst mes d alimentation TN Warnung Das Ger t ist f r die Verwendung mit TN IT Stromsystemen ausgelegt Avvertenza Il dispositivo stato progettato per l uso con sistemi di alimentazione TN IT Advarsel Utstyret er utfomet til bruk med TN IT str msystemer Aviso O dispositivo foi criado para operar com sistemas de corrente TN IT jAdvertencia El equipo est dise ado para trabajar con sistemas de alimentaci n tipo TN IT Varning Enheten r konstruerad f r anv ndning tillsammans med elkraftssystem av TN IT typ Installation Safety Guidelines and Warnings Observe the following guidelines and warnings before and during router installation W Chassis Lifting Guidelines on page 72 W Installation Instructions Warning on page 72 W Rack Mounting Requirements and Warnings on page 75 W Ramp Warning on page 76 Regulatory Compliance and Safety Information Q Safety Guidelines and Warnings Chassis Lifting Guidelines A fully configured router weighs about 280 Ib 127 kg Observe the following guidelines for lifting and moving the router W Before moving the router read the guidelines in Prepare the Site on page 59 to verify that the intended site meets the specified power environmental and clearance requirements W Do not attempt to lift a fully configured router by yourself Using a mechanical lift
200. n electrostatic bag or antistatic mat on a flat stable surface to receive the SCB 2 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 5 Unscrew the thumbscrew at each end of the SCB using a Phillips screwdriver if necessary 4 Pull the ends of the extractor clips which are adjacent to the thumbscrews outward toward the ends of the SCB 5 Grasp both sides of the SCB and slide it about halfway out of the chassis 6 Place one hand under the SCB to support it slide it completely out of the chassis and place it on the antistatic mat or in the electrostatic bag prepared in Step 1 Figure 79 Remove the SCB Extractor clip H Thumbscrew 7 re He A OOS 0 c3 D Dr JUS d e AOE 1052 Q M40 Internet Router Hardware Guide Replace the SCB Install the SCB To install the SCB follow this procedure see Figure 80 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Verify that the ends of the extractor clips are pointing outward toward the ends of the SCB 5 Grasp the front of the SCB with both hands and align the rear of the card carrier with the slide guides in the card cage 4 Slide the SCB all the way into the card cage until it contacts the backplane 5 Push the ends of the extractor c
201. n routing A method of specifying Internet addresses in which you explicitly specify the bits of the address to represent the network address instead of determining this information from the first octet of the address See CoS Pronounced see lek Competitive Local Exchange Carrier Company that competes with the already established local telecommunications business by providing its own network and switching Common language equipment identifier Inventory code used to identify and track telecommunications equipment Command line interface Interface provided for configuring and monitoring the routing protocol software In BGP a group of destinations that share a common property Community information is included as one of the path attributes in BGP update messages In BGP a group of systems that appears to external autonomous systems to be a single autonomous system In traffic engineering a path determined using RSVP signaling and constrained using CSPF The ERO carried in the packets contains the constrained path information The central backbone of the network Class of service A group of privileges and features assigned to a particular service Customer premises equipment Telephone or other service provider equipment located at a customer site Mechanisms used by a Communication Workers of America craftsperson to operate administer and maintain equipment or provision data communications On a Juniper Networks route
202. n the faceplate of both power supplies to the OFF O position 4 Disconnect the power cords or cables For instructions see Disconnect AC Power from the Router on page 140 and Disconnect DC Power from the Router on page 147 5 Remove the cables from all PICs and external management and alarm devices For instructions see Maintain and Replace Cables and Connectors on page 181 6 Remove the chassis from the rack W f you are using a mechanical lift place the lift under the chassis unscrew and remove the mounting screws from the rack and move the router to the pallet W f you are moving the router manually first remove components as described in Remove Components from the Chassis on page 100 Unscrew and remove the mounting screws from the rack move the router to the pallet then reinstall the components as described in Reinstall Components into the Chassis on page 111 7 Place the chassis on the pallet and bolt it to the pallet 8 Replace the packing foam on top of the chassis 9 Place the crate cover over the chassis and foam M40 Internet Router Hardware Guide Return the Router or Its Components Pack Components for Shipment To pack and ship individual router components follow these guidelines W Protect the component with enough packing material to prevent movement inside the carton Use the original shipping materials if they are available W Place individual boards in electrostat
203. n working around PICs observe the following safety guidelines to prevent eye injury W Do not look into unterminated ports or at fibers that connect to unknown sources W Do not examine unterminated optical ports with optical instruments W Avoid direct exposure to the beam Unterminated optical connectors can emit invisible laser radiation The lens in the human eye focuses all the laser power on the retina so even a low power laser could permanently damage the eye if it is focused directly on the laser source Warning Class 1 Laser Product Warning Class 1 laser product Waarschuwing Klasse 1 laser produkt Warming Varoitus Luokan 1 lasertuote Attention Produit laser de classe 1 Warnung Laserprodukt der Klasse 1 Avvertenza Prodotto laser di Classe 1 Advarsel Laserprodukt av klasse 1 Aviso Produto laser de classe 1 jAdvertencia Producto l ser Clase I Varning Laserprodukt av klass 1 Regulatory Compliance and Safety Information Q Safety Guidelines and Warnings Class 1 LED Product Warning Class 1 LED product Waarschuwing Klasse 1 LED product Warning Varoitus Luokan 1 valodiodituote Attention Alarme de produit LED Class I Warnung Class 1 LED Produktwarnung Avvertenza Avvertenza prodotto LED di Classe 1 Advarsel LED produkt i klasse 1 Aviso Produto de classe 1 com LED jAdvertencia Aviso sobre producto LED de Clase 1 Varning Lysdiodprodukt av klass 1 Laser Beam Warning
204. nal studs Cable lug Locking washers Return 1131 Grounding studs 13 Secure the cable lug to the terminal studs first with locking washers then nuts Using a 7 16 in nut driver or wrench tighten the nuts Do not substitute a metric nut driver or wrench A tool that does not fit the nuts exactly can damage them If a 7 16 in tool is not available use pliers or an adjustable wrench Caution 14 Verify that the power cabling from the source DC breaker to the power supply is correct M40 Internet Router Hardware Guide Disconnect and Connect DC Power 15 Reinstall the protective shield covering the terminal studs 16 Press the power switch on the power supply to the ON position Verify that the green LED labeled OK on the power supply faceplate eventually lights steadily After a power supply is turned on it can take up to 60 seconds for status indicators such as LEDs on the power supply show chassis commands and messages on the craft interface LCD to indicate that the power supply is functioning normally Ignore error indicators that appear during the first 60 seconds If the router is completely powered down when you power on the power supply the Routing Engine boots as the power supply completes its startup sequence If the Routing Engine finishes booting and you need to power down the router again first issue the CLI request system halt command For complete instructions see
205. nd this information helpful in a particular situation or might otherwise overlook it You need to observe the specified guidelines to avoid minor injury or discomfort to you or severe damage to the router Caution You are in a dangerous situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents Warning Before installing the router review the following guidelines M40 Internet Router Hardware Guide Always follow all instructions and warnings marked on the router router components and accessories Perform only those procedures explicitly described in this installation guide Only authorized service personnel should perform other system procedures For protection against shock hazard verify that all power cords are disconnected before installing or servicing the router Never install wiring during electrical storms Never install electrical jacks in wet locations unless the jacks are specifically designed for wet environments Operate a DC powered router only when the grounding cable is connected Do not open or remove chassis covers or sheet metal parts when instructions are not provided in this manual Such an action could cause severe electrical shock Do not push or force any objects through any of the openings in the chassis frame Such an action could result in elec
206. nde retningslinjer er gitt for verne om sikkerheten Juniper Networks router m installeres i et stativ som er forankret til bygningsstrukturen Denne enheten b r monteres nederst i kabinettet hvis dette er den eneste enheten i kabinettet Ved montering av denne enheten i et kabinett som er delvis fylt skal kabinettet lastes fra bunnen og opp med den tyngste komponenten nederst i kabinettet Hvis kabinettet er utstyrt med stabiliseringsutstyr skal stabilisatorene installeres f r montering eller utf ring av reparasjonsarbeid p enheten i kabinettet Aviso Para se prevenir contra danos corporais ao montar ou reparar esta unidade numa estante dever tomar precau es especiais para se certificar de que o sistema possui um suporte est vel As seguintes directrizes ajud lo o a efectuar o seu trabalho com seguran a O Juniper Networks router dever ser instalado numa prateleira fixa estrutura do edificio Esta unidade dever ser montada na parte inferior da estante caso seja esta a nica unidade a ser montada Ao montar esta unidade numa estante parcialmente ocupada coloque os itens mais pesados na parte inferior da estante arrumando os de baixo para cima Se a estante possuir um dispositivo de estabiliza o instale o antes de montar ou reparar a unidade jAdvertencia Para evitar lesiones durante el montaje de este equipo sobre un bastidor o posteriormente durante su mantenimiento se debe poner mucho cuidado
207. nector E LEDs Indicate PIC and port status Most PICs have an LED labeled STATUS on the PIC faceplate Some PICs have additional LEDs often one per port The meaning of the LED states differs for various PICs For more information see the M20 and M40 Internet Routers PIC Guide Flexible PIC Concentrators FPCs Flexible PIC Concentrators FPCs house the PICs that connect the router to network media for information about PICs see Physical Interface Cards PICs on page 10 Up to eight FPCs install vertically into the backplane from the front of the chassis The FPC slots are numbered left to right from O zero through 7 Each FPC accommodates up to four PICs and the PIC slots in each FPC are numbered from O zero through 3 top to bottom An FPC can be installed into any FPC slot regardless of the PICs it contains and any combination of slots can be used If a slot is empty you must install a blank FPC panel to shield it so that cooling air can circulate properly throughout the card cage Figure 4 which shows a chassis with an FPC in slot 7 omits the blank FPC panels to show the FPC s position in the card cage The main function of an FPC is to connect the PICs installed in it to the other router components The I O Manager ASIC on the FPC divides each incoming data packet into 64 byte cells which the Distributed Buffer Manager ASIC on the backplane distributes among the memory buffers located on and shared by all installed F
208. nerse a la radiaci n Varning Osynlig str lning kan avges fr n en port ppning utan ansluten fiberkabel och du b r d rf r undvika att bli utsatt f r str lning genom att inte stirra in i oskyddade ppningar Maintenance and Operational Safety Guidelines and Warnings As you maintain the router observe the following guidelines and warnings W Battery Handling Warning on page 80 W Jewelry Removal Warning on page 81 W Lightning Activity Warning on page 82 W Operating Temperature Warning on page 85 E Product Disposal Warning on page 84 Regulatory Compliance and Safety Information Q Safety Guidelines and Warnings Battery Handling Warning Replacing the battery incorrectly might result in an explosion Replace the battery only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions Warning Waarschuwing Er is ontploffingsgevaar als de batterij verkeerd vervangen wordt Vervang de batterij slechts met hetzelfde of een equivalent type dat door de fabrikant aanbevolen is Gebruikte batterijen dienen overeenkomstig fabrieksvoorschriften weggeworpen te worden Varoitus R j hdyksen vaara jos akku on vaihdettu v r n akkuun K yt vaihtamiseen ainoastaan saman tai vastaavantyyppist akkua joka on valmistajan suosittelema H vit k ytetyt akut valmistajan ohjeiden mukaan Attention Danger d explosion si la pile n est pas remplac e correctement
209. nk to the Packet Forwarding Engine software Use the JUNOS Internet software to configure the routing protocols that run on the router and the properties of router interfaces After you have activated a software configuration use the JUNOS Internet software to monitor the protocol traffic passing through the router and to troubleshoot protocol and network connectivity problems This chapter discusses the following topics W Routing Engine Software Components on page 26 W Tools for Accessing and Configuring the Software on page 30 W Software Monitoring Tools on page 20 W Software Upgrades on page 50 For complete information about configuring the software including examples see the JUNOS Internet software configuration guides JUNOS Internet Software Overview o Routing Engine Software Components Routing Engine Software Components The Routing Engine software consists of several software processes that control router functions and a kernel that coordinates communication among the processes as described in the following sections W Routing Protocol Process on page 26 W Interface Process on page 29 W SNMP and MIB II Processes on page 29 W Management Process on page 29 W Routing Engine Kernel on page 29 Routing Protocol Process The JUNOS software routing protocol process controls the routing protocols that run on the router The routing protocol process starts all configured routing protocols and handles all routing messages I
210. nterface Power supply failure or removal triggers an alarm that causes one or both of the LEDs to light and an error message to appear on the LCD You can display the error messages remotely by issuing the following CLI command user host gt show chassis alarms For a list of possible alarm messages see Hardware and Interface Alarm Messages on page 255 Verify that the airflow to each supply is unobstructed Verify that the power source has the proper current rating and that each power supply is connected to a separate power source Verify that the cable or cord connecting the power supply to the external power source is securely in place and that there is no moisture accumulating near the router Verify that the cable or cord from the power source to the router is not damaged If the insulation is cracked or broken replace the cable or cord immediately Verify that the power cables or cord do not touch or obstruct access to other router components and that they do not drape where people could trip on them Replace an AC Power Supply An AC powered router has two load sharing redundant AC power supplies Each power supply is hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 When one power supply fails or is powered down the other power supply automatically assumes the entire electrical load for the router To replace an AC power supply perform the following procedures
211. nternet Router Hardware Guide Cooling System Cooling System The cooling system consists of separate subsystems sets of fans and impellers that draw room air into the chassis to keep its internal temperature below a maximum acceptable level When the temperature is below the maximum the fans and impellers function at less than full speed If sensors detect that the temperature of a component has exceeded the acceptable maximum for example because an impeller is removed the speed of the remaining impellers and fans is automatically increased to reduce the temperature The fans and impellers can function at the higher speed indefinitely For more information about the cooling system see the following sections W Cooling System Components on page 23 E Airflow through the Chassis on page 24 Cooling System Components The cooling system has the following components Except as noted they are hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 W Air intake vent and air filter Provide an opening for room air to enter the router They are located at the bottom of the chassis front below the craft interface as shown in Figure 1 The air filter prevents dust and other particles from entering the cooling system For replacement instructions see Maintain and Replace the Air Filter on page 154 Do not remove the air filter for more than a minute or so while the router is operating The fans
212. nto the rear of the chassis in a compartment behind the card cage see Figure 2 For information about the routing architecture see System Architecture Overview on page 31 The Routing Engine is hot pluggable as described in Field Replaceable Units FRUs on page 4 For replacement instructions see Maintain and Replace Routing Engine Components on page 173 Routing Engine Components The Routing Engine shown in Figure 6 is a two board system with the following components W CPU Runs JUNOS Internet software to maintain the router s routing tables and routing protocols It has a Pentium class processor E SDRAM Provides storage for the routing and forwarding tables and for other Routing Engine processes W Compact flash drive Provides primary storage for software images configuration files and microcode The drive is fixed and inaccessible from outside the router W Hard drive Provides secondary storage for log files memory dumps and rebooting the system if the flash drive fails W PC card slot Accepts a removable PC card which stores software images for system upgrades W Interfaces for out of band management access Provide information about Routing Engine status to devices console laptop or terminal server that can be attached to access ports located on the craft interface E EEPROM Stores the serial number of the Routing Engine Hardware Component Overview o Routing Engine
213. o M40 Internet Router Hardware Guide List of Figures Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig ure 1 ure 2 ure 5 ure 4 ure 5 ure 6 ure 7 ure 8 ure 9 ure 10 ure 11 ure 12 ure 15 ure 14 ure 15 ure 16 ure 17 ure 18 ure 19 ure 20 ure 21 ure 22 ure 25 ure 24 ure 25 ure 26 ure 27 ure 28 ure 29 ure 50 ure 51 ure 32 ure 55 ure 54 ure 35 ure 56 ure 57 ure 38 ure 39 ure 40 ure 41 ure 42 ure 45 ure 44 Front View of Chassis rette dee dece teat Ten Seb eh rtis qd ret 8 R ar VIeW oF Cliassiss det aod esprit bt dede b e ess 9 The Backplane ve serdi ede e teet EK FPC Installed in Slot FPC7 cerns EN 2 System Control Board 414 ROUTING ENGINE orenera ederet net deg Soe Craft Interface opener erp eed sul AC ee 21 DG POW6GE Supply eiie ardet le e OR HER rene etes tes 22 Side View of Air Flow through the Chassis 24 System Architecture scettr tu PAP EE SA 51 Packet Forwarding Engine Components and Data Flow 32 Routing Engine Archit6cture es ete et edet geg 34 Control Packet Handling Routing and Forwarding Table Updates 35 Typical Center Mount Rach 40 Chassis Dimensions Top View and Recommended Clearances 42 Site Environment Specifications e 45
214. o the Router Connect DC power to the router by attaching power cables from external DC power sources to the terminal studs on the power supplies Power and grounding cables are not supplied with the router For information about the required cable type see DC Power and Grounding Cable Specifications on page 46 The router must be connected to two separate external DC power sources one for each set of terminal studs on the circuit breaker box Note There is no standard color coding for DC power cables The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that attach to the circuit breaker box You must ensure that the connections at the circuit breaker box maintain the proper polarity The power source DC cables might be labeled and to indicate their polarity Caution To connect DC power to the router follow this procedure 1 Ensure that the voltage across the leads of the DC power source cables that you are connecting is 0 V and that there is no chance that the cable leads might become active during installation 2 Verify that the power supplies are fully inserted in the chassis that the thumbscrews and extractor inserters on their faceplates are tightened and that the power switches on both faceplates are in the OFF 0 position See Figure 64 5 Attach the grounding cable to a proper earth ground if it is not already 4 Slide t
215. ols and parts W Phillips screwdrivers numbers 1 and 2 E ESD grounding wrist strap E 7 16 in nut driver or wrench for tightening nuts to grounding and terminal studs on a DC power supply if 7 16 in tool is not available use pliers or an adjustable wrench rather than a metric nut driver or wrench Maintain the Power Supplies To maintain the power supplies follow these guidelines W Make sure that the power and ground cables on each DC power supply are arranged so that they do not obstruct access to the other power supply or to the Routing Engine E Routinely check the LEDs on the power supply faceplate The green OK LED indicates that the power supply is functioning normally the red FAIL LED indicates a power supply fault For more information about the power supply LEDs refer to Power Supply LEDs on page 22 Maintain and Replace the Power Supplies o Replace an AC Power Supply W Issue the following CLI command to check the status of the power supplies As shown in the sample output the value OK in the Status column indicates that the power supply is operating normally user host gt show chassis environment Class Item Status Measurement Power Power Supply A OK Power Supply B OK For further description of the output from the command see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management Check the red and yellow alarm LEDs and the LCD on the craft i
216. om impellers as shown in this example user host gt show chassis environment Class Item Status Measurement Fans Top Impeller OK Spinning at normal speed Bottom impeller OK Spinning at normal speed For further description of the output from the command see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management Maintain and Replace Cooling System Components Replace the Lower Impeller Assembly Replace the Lower Impeller Assembly The lower impeller assembly is located behind the craft interface at the front the chassis see Figure 1 and works together with the upper assembly to cool the Packet Forwarding Engine components It is hot removable and hot insertable To replace the fan tray perform the following procedures W Remove the Lower Impeller Assembly on page 158 W Install the Lower Impeller Assembly on page 159 Remove the Lower Impeller Assembly The lower impeller assembly is located behind the craft interface at the front the chassis see Figure 1 It weighs approximately 9 Ib 4 kg To remove the lower impeller assembly follow this procedure see Figure 71 1 Remove the air filter if it is installed on the chassis For instructions see Remove the Air Filter on page 154 2 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 3 Unscrew the three screws at the bottom edge of the assembly us
217. ontinuing See Disconnect AC Power from the Router on page 140 or Disconnect DC Power from the Router on page 147 Warning If you are installing or replacing components in an operational router see the appropriate chapters in Part 5 Perform the procedures described in the following sections to reinstall components in the chassis E Reinstall the Lower Impeller Assembly on page 111 W Reinstall the Air Filter on page 112 W Reinstall the SCB on page 113 W Reinstall the FPCs on page 114 E Reinstall the Cable Management System on page 115 W Reinstall the Fan Tray on page 116 E Reinstall the Upper Impeller Assembly on page 117 E Reinstall the Routing Engine Housing on page 117 E Reinstall the Power Supplies on page 118 Reinstall the Lower Impeller Assembly The lower impeller assembly is located just above the air intake on the front of the chassis behind the craft interface see Figure 1 To reinstall it follow this procedure see Figure 37 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Grasp the sides of the lower impeller assembly and align the rear of the tray with the slider bars inside the chassis Install the Router and Configure Software Q Install the Router without Using a Mechanical Lift 3 Slide the assembly all the way into the chassis 4 Using a Phillips screwdriver tighten the three captive screws at the bottom edge of th
218. opriado para os respectivos cabos e dever o prender simultaneamente o isolamento e o fio condutor jAdvertencia Cuando se necesite hilo trenzado utilizar terminales para cables homologados tales como las de tipo bucle cerrado o espada con las leng etas de conexi n vueltas hacia arriba Estos terminales deber n ser del tama o apropiado para los cables que se utilicen y tendr n que sujetar tanto el aislante como el conductor Varning Nar flertr diga ledningar kr vs m ste godkanda ledningskontakter anvandas t ex kabelsko av sluten eller ppen typ med uppatvand tapp Storleken pa dessa kontakter m ste vara avpassad till ledningarna och m ste kunna halla bade isoleringen och ledaren fastklamda Regulatory Compliance and Safety Information Safety Guidelines and Warnings Grounded Equipment Warning The router is intended to be grounded Ensure that the router is connected to earth ground during normal use Warning Waarschuwing Deze apparatuur hoort geaard te worden Zorg dat de host computer arnin HA P S tijdens normaal gebruik met aarde is verbonden Varoitus T m laitteisto on tarkoitettu maadoitettavaksi Varmista ett isantalaite on yhdistetty maahan normaalik yt n aikana Attention Cet quipement doit tre reli la terre S assurer que l appareil h te est reli la terre lors de l utilisation normale Warnung Dieses Ger t mu geerdet werden Stellen Sie sicher dab das Host Ger t w hrend
219. or discomfort to you or serious damage to Caution We the router A warning indicates a potentially dangerous situation Failure to follow the guidelines in a warning could result in severe injury or death Warning Contact Juniper Networks For technical support contact Juniper Networks at supportGjuniper net or at 1 888 514 JTAC within the United States or 1 408 745 9500 from outside the United States o M40 Internet Router Hardware Guide Documentation Feedback Documentation Feedback We are always interested in hearing from our customers Please let us know what you like and do not like about the product documentation and let us know of any suggestions you have for improving the documentation Also let us know if you find any mistakes in the documentation Send your feedback and comments to techpubs comments juniper net About This Manual o Documentation Feedback M40 Internet Router Hardware Guide Product Overview W System Overview on page 3 W Hardware Component Overview on page 7 W JUNOS Internet Software Overview on page 25 W System Architecture Overview on page 51 M40 Internet Router Hardware Guide System Overview This chapter provides an overview of the M40 Internet router discussing the following topics W System Description on page 5 W Field Replaceable Units FRUs on page 4 W Component Redundancy on page 4 W Safety Requirements Warnings and Guidelines on page 5 W System Speci
220. or temperature sensor failed System too warm A temperature sensor exceeds 54 degrees C Power supplies Supply x FAIL Power supply x not providing power Supply x 3V FAIL Power supply x 3 3V failed Supply x 5V FAIL Power supply x 5V failed Supply x 2V FAIL Power supply x 2 5V failed FPCs Slot x errors Too many unrecoverable errors Slot x errors Too many recoverable errors Craft Interface Craft IF FAIL Craft interface not responding Troubleshooting Overview Juniper Networks Technical Assistance Center Table 23 SONET Interface Alarm Messages LCD Message interface name so x x x LOL CLI Message interface name so x x x SONET loss of light interface name so x x x PLL interface name so x x x SONET PLL lock interface name so x x x LOF interface name so x x x SONET loss of frame interface name so x x x LOS interface name so x x x SONET loss of signal interface name so x x x SEF interface name so x x x SONET severely errored frame interface name so x x x LAIS interface name so x x x SONET line AIS interface name so x x x PAIS interface name so x x x SONET path AIS interface name so x x x LOP interface name so x x x SONET loss of pointer interface name so x x x BERR SD interface name so x x x SO ET bit error rate defect interface name so x x x BERR SF interface name so x x x SO ET bit error rate faul
221. orm the following procedures to install the router 1 If you are installing the router in the upper half of the rack install the C bracket first see Rack Mounting Brackets on page 94 Follow this procedure a Select the height in the rack at which to mount the C bracket The M40 router is 55 in 89 cm or 20 U high so if you are mounting two routers in the rack leave at least that much distance between the C bracket shelf and both the top and bottom cross pieces of the rack b As you stand in front of the rack position the C bracket so that the shelf is protruding toward you and align the C bracket mounting holes with holes in the rack rails If you are front mounting the router install the C bracket into the rack from the rear Make sure the mounting holes on both sides are parallel c Insert and tighten the provided screws 2 If you are center mounting the router attach a center mounting ear to either side of the chassis For information about the center mounting ears see Rack Mounting Brackets on page 94 3 Load the router onto the lift making sure it rests securely on the lift platform 4 Use the lift to position the router at the correct height in the rack M40 Internet Router Hardware Guide Install the Router without Using a Mechanical Lift 5 Align the bottom hole in both front or center mounting ears with a hole in each rack rail making sure the chassis is level 6 Install one of the mounting screw
222. orsad s sont n cessaires utiliser des douilles terminales homologu es telles que celles a circuit ferm ou du type plage ouverte avec cosses rebrouss es Ces douilles terminales doivent tre de la taille qui convient aux fils et doivent tre referm es sur la gaine isolante et sur le conducteur Warnung Wenn Litzenverdrahtung erforderlich ist sind zugelassene Verdrahtungsabschl sse z B f r einen geschlossenen Regelkreis oder gabelf rmig mit nach oben gerichteten Kabelschuhen zu verwenden Diese Abschl sse sollten die angemessene Gr fe f r die Drahte haben und sowohl die Isolierung als auch den Leiter festklemmen Avvertenza Quando occorre usare trecce usare connettori omologati come quelli a occhiello o a forcella con linguette rivolte verso l alto I connettori devono avere la misura adatta per il cablaggio e devono serrare sia l isolante che il conduttore Advarsel Hvis det er n dvendig med flertr dede ledninger brukes godkjente ledningsavslutninger som for eksempel lukket sl yfe eller spadetype med oppoverbeyde kabelsko Disse avslutningene skal ha riktig sterrelse i forhold til ledningene og skal klemme sammen b de isolasjonen og lederen Aviso Quando forem requeridas montagens de instala o el ctrica de cabo torcido use termina es de cabo aprovadas tais como termina es de cabo em circuito fechado e planas com terminais de orelha voltados para cima Estas termina es de cabo dever o ser do tamanho apr
223. ort on craft interface tGolssequited e rettet tct retrioval instr ctioris sescer erre een ie reset DULtOD oe tres role in system architecture routing protocol Process tecti 26 table Maintenance 34 serial NUMBER ie tpe ette eres 218 SNMP DIO ESS Re eret secte e ce ertet 29 status displaying 174 tools required emeret 175 Routing Engine housing installation instructions during initial installation ee 117 for maintenance or replacement 175 removal instructions during initial installation 102 for maintenance or replacement 175 tools required WEISINE ete ect safety information See also warnimges 55 SCB ASICS Oll accede ME EE LUE EL Ore es 15 COMPONENTS oes tertee tse e p UP tg tie un 15 description hardware and function 15 installation instructions during initial Installatton 115 for maintenance or replacement 171 LEDS ara i dieslasnp bin anan AEE ENTE 13 malntenarce s orte gue E E EA as 169 removal instructions during initial installation ssse 106 for maintenance or replacement 170 SES D IERE Eee re HR 219 status CHECKING isset teet eed 169 tools qequitedi EEN 161 troubleshooting x estat ete b EI eara 202 KE E 99 serial number AG POWE SUPPLY iJ sore dek e ert EU 218 DC power supply etico tio fout ce ba qus 218 EPG 4 cessio bp estet blogue eb d 217 in
224. osition it in the rack If the C bracket is installed rest the router on it Align the bottom hole in both front or center mounting ears with a hole in each rack rail making sure the chassis is level See Figure 56 Figure 36 Install the Chassis in a Rack Center mounting rack JAsss3999939999399999993 9599999599 59 N li C bracket Do E eh ee Sp S Chassis center 7 SR rack mounting ear TR PINE EU i MD I x ol ch e IN Se mm 1024 6 Install one of the mounting screws provided in the accessory box shipped with the router into each of the two aligned holes 7 Moving up each post or ear install a screw in every mounting hole M40 Internet Router Hardware Guide Install the Router without Using a Mechanical Lift 8 Verify that all the mounting screws on one side of the rack are aligned with the mounting screws on the opposite side and that the router is level 9 Proceed to the instructions in Reinstall Components into the Chassis on page 111 Reinstall Components into the Chassis After you have mounted the chassis in the rack as described in Install the Chassis into the Rack on page 109 reinstall the router components into the chassis The procedures in this section apply only to initial installation and assume that you have not yet connected power to the router If power is connected completely disconnect it before c
225. ou to configure virtual default routers See WDM Wavelength division multiplexing Technique for transmitting a mix of voice data and video over various wavelengths colors of light See WRR Weighted round robin Scheme used to decide the queue from which the next packet should be transmitted Glossary Glossary M40 Internet Router Hardware Guide Index W Index on page 237 M40 Internet Router Hardware Guide Index AC power cord connection instructions during initial Installatton 123 ei Mu nal 140 disconnection instructions 00 eee 140 SPECINCATONS sd dote teet EE 45 AC power supply description hardware and function 21 grounding installation instructions during initial installation for maintenance or replacement irit grated DEE 25 RO EE ER Mantenan CE uites et 155 removal instructions during initial Installatton 101 for maintenance or replacement 157 serial ber ede eere eere 218 SpecifiCatioris ise qe heb DESS aen 21 tools required uk ss ee erg 155 troubleshooting oce onde progenies 195 WEIS bs tee E RESO RETI URN RS 99 agency approvals dee Eee te etus 84 air filter description hardware and function 25 installation instructions during initial installation for maintenance or replacement maintenance eege removal instructions during initial Installatton 107 fo
226. outer is operational The power supply must remain in the chassis for proper airflow Caution To remove a DC power supply follow this procedure 1 Turn off the power flowing from the DC power source to the power supply Ensure that the voltage across the leads of the DC power cables that you are disconnecting is 0 V and that there is no chance that the cable leads might become active during removal 2 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 5 Flip the power switch on the power supply faceplate to the OFF O position See Figure 55 If you are not removing the power supply but simply powering it off wait at least 60 seconds before turning it back on If you need to power it off again wait for at least 60 seconds after powering it on Note Figure 55 Flip the Power Switch on a DC Power Supply to the OFF Position Power switch 1128 M40 Internet Router Hardware Guide Replace a DC Power Supply 4 Using a Phillips screwdriver loosen the screws securing the protective shield over the power terminal studs and remove the shield See Figure 56 Figure 56 Remove the Protective Shield from the Terminal Studs Protective shield o Washer 1130 5 Using a 7 16 in nut driver or wrench loosen the nuts that secure the power cable lugs to the terminal studs Remove the nuts washers and lug from each set of terminal studs See Figure 5
227. outes that are in the routing table are called export policies because the routes are being exported from the routing table In other words the terms import and export are used with respect to the routing table M40 Internet Router Hardware Guide Routing Engine Software Components Routing policy enables you to control filter which routes are imported into the routing table and which routes are exported from the routing table Routing policy also allows you to set the information associated with a route as it is being imported into or exported from the routing table Routing policies applied to imported routes control the routes used to determine active routes whereas policies applied to exported routes control which routes a protocol advertises to its neighbors You implement routing policy by defining policies A policy specifies the conditions to use to match a route and the action to perform on the route when a match occurs For example when a routing table imports routing information from a routing protocol a routing policy might modify the route s preference mark the route with a color to identify it for later manipulation or prevent the route from even being installed in a routing table When a routing table exports routes to a routing protocol a policy might assign metric values modify the BGP community information tag the route with additional information or prevent the route from being exported altogether You also can defin
228. output from show chassis hardware COMMMANG esee ceci ees 216 PICS id etd sueco isses 217 RouUting Englfie coy teu petere teg eer A 218 SI MACHEN MR ME 219 Index Index shipping crate repacking the router r aaia ii 220 UNPACKING Che EE 92 shock earthquake tested eye 45 show chassis alarms Commande 192 show chassis environment command for fan tray aeit maa ertan 155 for impeller assemblies 00 ccc e 157 for power supplies show chassis fpc command show chassis hardware Commande 216 show chassis routing engine command 174 show chassis scb commande 169 signal dispersion sen cene e de dE 50 signaling distance limitations 0 0 0 0 ees 49 Simple Network Management Protocol See SNMP single mode fiber optic cable See cable fiber optic site electrical wiring specftcatonms ee 49 environmental specifications sssssssss 45 preparation Checklist ecc teet eed tt ade feces 54 INSCLUCHONS egener M 39 routine inspection ssssssssse 155 SNMP as tool for monitoring s e 30 process software module in Routing Engine 29 software JUNOS See JUNOS Internet software SONET SDH analyzer use of 182 specifications AC power COIG VR caca e RS Bagh ese 45 SUP DIY a dee tact orent D st et C ee ees 21 cable DC power and grounding ee 46 Routing Engine ports on craft interface 55 DG POWER Supply ose cott oeste e ten 22 electrical cable and wiring
229. ove the Routing Engine at the upper rear of the chassis see Figure 2 The cooling system draws in room air through the air intake vent located at the front of the chassis below the craft interface After entering the chassis the air stream separates into separate flows for the front and rear subsystems and the temperature of each flow is monitored independently For a graphic depiction of the airflow see Figure 10 For the cooling system to function properly the clearance around the chassis must be sufficient for unobstructed airflow See Clearance Requirements for Airflow and Hardware Maintenance on page 42 During normal operation the impellers and fans in the fan tray function at less than full speed Sensors on the backplane and router components constantly monitor their temperature and the speed of the fans and impellers is adjusted as necessary If the router temperature exceeds the acceptable maximum the JUNOS software shuts down the router by turning off the power supplies To troubleshoot the cooling subsystems follow these procedures E Troubleshoot the Fan Tray and Impeller Assemblies on page 198 E Troubleshoot the Power Supply Fans on page 199 Troubleshoot the Cooling System Troubleshoot the Fan Tray and Impeller Assemblies Troubleshoot the Fan Tray and Impeller Assemblies To troubleshoot the fan tray and impeller assemblies follow these guidelines M40 Internet Router Hardware Guide W ifthe red alarm
230. p Waltnlng node tete EE 76 Laser and LED Safety Guidelines and Wammings 76 General Laser Safety Guidellnes ccc erreeerererrererrerrrr eren 7T Class 1 Laser Product Warning ssssssssssss ee 77 Class 1 LED Product Warning sssssssss Hee 78 Laser Bear en i is bb est oa etae eat desinens 78 Radiation From Open Port Apertures Wamming cece ees 79 Maintenance and Operational Safety Guidelines and Warnings 79 Battery Handling Warming nsns adiens titer in deans eie pg aeos 80 Jewelry Removal Warning se ade tt maire tre pete batte bed tes 81 Lightning Actvity Martigues eh Uti etse n e ee eet 82 Operating Temperature Warning s s t errs riaa a nE e 85 Product Disposal WAartnlrlg 1 o nete ere n ur U GNE AAA 84 Agency ApproVals 4e uem edere de ten ite e ede ee t eines 84 Compliance Statements for EMC Beouirements 86 Carada dco deme etis aU dod ao ee EL tpe EL dae 86 Europedr COLDrmublby citur ederet tente cei dr et odere cg e ve DRE AN ne eh 86 ERC a ERN DEVE MS 86 EIN Cie ona den Ped tabe tee t tete int te e es 86 United EE 86 Prepare to Install the Router sss 89 Kee i mittendo det eto cU e e m Be tetas 89 General Safety Guidelines and Warnings 0 ccccecceececceeeseceeeeeeeetteecenetenneees 90 Prevent Electrostatic Discharge Damage e 91 Unpack the ROUEter aseo eee oq edet pne eta ed err eed adt 92 Rack Mounting Brackets i ee dte e et Gis doe ep tt tb dee 94 Install the Router and Confi
231. page 55 and particularly Electrical Safety Guidelines and Warnings on page 60 However providing an exhaustive set of guidelines for working with electrical equipment is beyond the scope of this manual System Specifications Table 3 summarizes physical specifications for the M40 router For environmental specifications see Site Environmental Requirements on page 43 Table 3 Physical and Environmental Specifications Description Value Chassis height 35 in 89 cm Chassis width 19 in 48 cm Chassis depth 23 5 in 60 cm Weight maximum configuration 280 Ib 127 kg Weight minimum configuration 180 Ib 81 kg Thermal output 3850 BTU hour System Overview System Specifications M40 Internet Router Hardware Guide Hardware Component Overview This chapter provides an overview of the hardware components on the M40 Internet router W Chassis on page 8 W Packet Forwarding Engine on page 9 m Backplane on page 10 wm Physical Interface Cards PICs on page 10 m Flexible PIC Concentrators FPCs on page 11 m System Control Board SCB on page 15 E Routing Engine on page 15 W Craft Interface on page 17 W Power Supplies on page 20 W Cooling System on page 25 W Cable Management System on page 24 Hardware Component Overview Chassis Chassis The router chassis is a rigid sheet metal structure that houses all the other router hardware components see Figure 1 and Figure 2 Th
232. porates the memory on the new FPC into the memory buffers shared by all FPCs When the FPC is online the OK LED lights steadily and you can release the offline button You can also verify correct PIC and FPC functioning by issuing the show chassis fpc commands described in Maintain FPCs and PICs on page 162 If you are installing multiple FPCs repeat Steps 2 through 10 for each one Wait 30 seconds after installing each FPC to allow the FPC and PICs to come online LEDs and offline button 1060 Replace a PIC Replace a PIC PICs are housed in the FPCs installed in the front of the router as shown in Figure 4 Quad wide PICs such as the OC 48 STM 16 SONET SDH PIC occupy an entire FPC slot and are hot removable and hot insertable as described in Field Replaceable Units FRUs on page 4 For replacement instructions see Replace an FPC or Quad wide PIC on page 163 A regular PIC which installs into a four slot FPC card carrier is hot removable and hot insertable in the sense that removing it does not disrupt routing functions however you must completely remove its host FPC from the chassis before removing the PIC which affects all PICs on the FPC To replace a PIC perform the following procedures W Remove a PIC on page 167 W Install a PIC on page 168 Remove a PIC To remove a PIC from an FPC follow this proc
233. power supply you must power it off wait at least 60 seconds After powering off a power supply wait 60 seconds before turning it back on Press the power switch on other power supply to the ON position and confirm that the OK LED lights as described in Step 4 If the LED is not lit after 60 seconds repeat the power supply and cable installation procedures described in Reinstall the Power Supplies on page 118 and Connect Power to an AC Powered Router on page 123 or Connect Power to a DC Powered Router on page 123 On the management device monitor the startup process to verify that the system has booted properly Configure the JUNOS Internet Software Configure the JUNOS Internet Software The router is shipped with the JUNOS Internet software preinstalled and ready to be configured when the router is powered on There are three copies of the software one on a nonrotating flash disk in the Routing Engine one on a rotating hard disk in the Routing Engine and one on an LS 120 disk that ships with the router When the router boots it first attempts to start the image from an LS 120 disk if one is installed in the LS 120 drive If an LS 120 disk is not installed or the attempt otherwise fails the router next tries the flash disk then finally the hard disk You configure the router by issuing JUNOS command line interface CLI commands either on a console device attached to the CONSOLE port on the craft interface or o
234. quencies of a transmission channel In computer networks greater bandwidth indicates faster data transfer rate capacity Bellcore Bell Communications Research Research and development organization created after the divestiture of the Bell System It is supported by the regional Bell holding companies RBHCs which own the regional Bell operating companies RBOCs BERT Bit error rate test A test that can be run on a T5 interface to determine whether it is operating properly BGP Border Gateway Protocol Exterior gateway protocol used to exchange routing information among routers in different autonomous systems bit error rate test See BERT Glossary Glossary BITS Border Gateway Protocol broadcast bundle CE device CFM channel service unit CIDR class of service CLEC CLEI CLI community confederation constrained path core CoS CPE craft interface Building Integrated Timing Source Dedicated timing source that synchronizes all equipment in a particular building See BGP Operation of sending network traffic from one network node to all other network nodes Collection of software that makes up a JUNOS software release Customer edge device Router or switch in the customer s network that is connected to a service provider s provider edge PE router and participates in a Layer 3 VPN Cubic feet per minute Measure of air flow in volume per minute See CSU DSU Classless interdomai
235. quired ott eee t 161 Hobbien 202 ping Commande 191 pinouts DB 9 cable connector ports auxiliary console 208 BH Cable ess ate S Be tete bet s 211 RJ 45 Ethernet cable connector port 207 RIS Cables tet a abe Pa sere 208 policy routing port auxiliary on craft interface See auxiliary port on craft interface console on craft interface See console port on craft interface Ethernet on craft interface See Ethernet port on craft interface power budget calculation 51 cables and cords See AC power cords DC power and grounding cables connecting to AC powered router during initial installation 0 00 123 for Maintenances fried tme bete 140 o M40 Internet Router Hardware Guide connecting to DC powered router during initial installation ssse 123 FOP maintenance scie tere etes 149 disconnecting from AC powered router 0 2 2 140 from DC powered router 147 margin calculation ctt eed eerie nae 51 supply See AC power supply DC power supply SUL BES costes uoc caked tes Du us SERA 49 system load sharing suut Et tn RT DES redundancy eic eterno deeem eere requirements specifications tools required rack airflow clearance reouirerment 42 mounting hole spacing sonrresennerenivir OT 41 securing to b lldirig uou ceto cen 41 size and strength reouired cere 40 standards EIA and ETS 40 radio frequency interference preventing 49 redundancy C
236. r the craft interface allows you to view status and troubleshooting information and perform system control functions 224 M40 Internet Router Hardware Guide CSU DSU customer edge device daemon data circuit terminating equipment data link connection identifier data service unit Data Terminal Equipment dcd DCE default address denial of service dense wavelength division multiplexing DHCP Dijkstra algorithm DIMM direct routes DLCI DoS DRAM drop profile Glossary Channel service unit data service unit Channel service unit connects a digital phone line to a multiplexer or other digital signal device Data service unit connects a DTE to a digital phone line See CE device Background process that performs operations on behalf of the system software and hardware Daemons normally start when the system software is booted and they run as long as the software is running In the JUNOS software daemons are also referred to as processes See DCE See DLCI See CSU DSU See DTE The JUNOS software interface process daemon Data circuit terminating equipment RS 232 C device typically used for a modem or printer or a network access and packet switching node Router address that is used as the source address on unnumbered interfaces See DoS See DWDM Dynamic Host Configuration Protocol Allocates IP addresses dynamically so that they can be reused when they are no longer needed
237. r Assembly 77 1054 M40 Internet Router Hardware Guide Maintain and Replace Packet Forwarding Engine Components This chapter discusses the following topics about maintaining and replacing Packet Forwarding Engine components W Tools and Parts Required on page 161 W Maintain FPCs and PICs on page 162 W Replace an FPC or Quad wide PIC on page 165 E Replace a PIC on page 167 Maintain the SCB on page 169 Replace the SCB on page 169 Tools and Parts Required You need the following the tools and parts to replace Packet Forwarding Engine components W Phillips screwdrivers numbers 1 and 2 W Electrostatic bags or antistatic mats one for each component removed E ESD grounding wrist strap W Replacement components or blank panels for each component removed W Rubber safety caps to cover each transceiver on a PIC that connects to fiber optic cable Maintain and Replace Packet Forwarding Engine Components Maintain FPCs and PICs Maintain FPCs and PICs The router can have up to eight Flexible PIC Concentrators FPCs mounted vertically in the FPC card cage at the front of the chassis see Figure 1 To maintain FPCs and the Physical Interface Cards PICs housed in them perform the following procedures on a regular basis W Check the LCD on the craft interface and the LEDs on the craft interface directly below each FPC slot The green LED labeled OK lights steadily when an FPC is
238. r at the PIC receiver particularly if you know that it has a shorter reach than the interface that is sending the signal Determine the amount of attenuation needed by measuring the power level at each receiver Attenuate the power to bring it within the allowable range for short lengths of fiber with fiber and connector loss close to zero an attenuator of 5 to 10 dB should be sufficient For specifications of minimum and maximum input level receiver sensitivity and receiver saturation and minimum and maximum output level average launch power for the SONET SDH PICs supported on the M40 router see the M20 and M40 Internet Routers PIC Guide Routing Engine Interface Cable and Wire Specifications For management and service operations you connect the Routing Engine to an external console or management network through ports on the craft interface You can also connect the router to external alarm reporting devices through the alarm relay contacts on the craft interface For more information see Craft Interface on page 17 Table 17 lists the specifications for the cables that connect to management ports and the wires that connect to the alarm relay contacts Table 17 Routing Engine Interface Cable and Wire Specifications Cable Cable Wire Router Cable Type Specification Supplied Maximum Length Receptacle Routing Engine RS 232 EIA 252 One 6 ft 1 83 m 6 ft 1 83 m DB 9 male console or serial cable length with auxilia
239. r maintenance or replacement 154 routine inspection of 155 toolsreq ited other oat 155 KEE 99 airflow path through chassis graphic depiction 24 reguired Clearance steterit dade te 42 alarm e Lee DUELOTU ET E 18 handling by Routing Engine rr 34 LEDs red and yellow on craft interface 18 messages list Ob eet ed te tb e e den 192 relay contacts connecting disconnecting wire 188 descriptioftz sut e PM EVE et d ein Reda 18 wire specifications Se eniiat annan 53 altitude acceptable range eapi 45 antistatic mat using erii ope e pirante eenn apere a 91 application specific integrated circuit See ASIC approvals agency eee 84 architecture OVEIVIBWa TO SUE lu n S M MM ds 31 Packet Forwarding Engine cece 32 Routing Englrie etc eene rea reser 55 ASIC as key element of router design 0 0 0 0 5 Distributed Buffer Manager component on Dackplane eee 10 role dmn forwarding saurs ossigenata 33 I O Manager component on FPC oo iiiki iiaa 12 role in forwarding errereen 33 Internet Processor or Internet Processor II Component on CBs EE a eru 15 role in forwarding errre 33 OM FRC erna aret r aaa A ASAS 12 ON PIC auo e ranae aeda drai d 10 e E 15 ATM analyzer uSe sof ase re d ertet pis 182 attenuation in fiber optic cable oo eee 50 auxiliary port on craft interface cable connecting during initial installation 120 connector pinouts DB 9
240. r source Such an action could cause electrical shock W Observe the following warnings m Qualified Personnel Warning on page 58 m Restricted Access Area Warning on page 59 Qualified Personnel Warning Only trained and qualified personnel should install or replace the router Waarschuwing Installatie en reparaties mogen uitsluitend door getraind en bevoegd personeel uitgevoerd worden Warning Varoitus Ainoastaan koulutettu ja p tev henkil kunta saa asentaa tai vaihtaa t m n laitteen Avertissement Tout installation ou remplacement de l appareil doit tre r alis par du personnel qualifi et comp tent Achtung Ger t nur von geschultem qualifiziertem Personal installieren oder auswechseln lassen Avvertenza Solo personale addestrato e qualificato deve essere autorizzato ad installare o sostituire questo apparecchio Advarsel Kun kvalifisert personell med riktig opplaering ber montere eller bytte ut dette utstyret Aviso Este equipamento dever ser instalado ou substitu do apenas por pessoal devidamente treinado e qualificado jAtenci n Estos equipos deben ser instalados y reemplazados exclusivamente por personal t cnico adecuadamente preparado y capacitado Varning Denna utrustning ska endast installeras och bytas ut av utbildad och kvalificerad personal M40 Internet Router Hardware Guide Safety Guidelines and Warnings Restricted Access Area Warning Warning The router is intended for insta
241. r system See Qos Remote Authentication Dial In User Service Authentication method for validating users who attempt to access the router using Telnet See RED See policing Pronounced are bock Regional Bell operating company Regional telephone companies formed as a result of the divestiture of the Bell System RAMBUS dynamic random access memory Pronounced red Random Early Detection Gradual drop profile for a given class that is used for congestion avoidance RED tries to anticipate incipient congestion and reacts by dropping a small percentage of packets from the head of the queue to ensure that a queue never actually becomes congested See RSVP Request for Comments Internet standard specifications published by the Internet Engineering Task Force 250 M40 Internet Router Hardware Guide RFI RIP routing domain Routing Engine routing table rpd RPM RSVP SAP SAR SDH SDP SDRAM secure shell shortest path first algorithm simplex interface SNMP SONET SPF Glossary Radio frequency interference Interference from high frequency electromagnetic waves emanating from electronic devices Routing Information Protocol Distance vector interior gateway protocol that makes routing decisions based on hop count See AS Architectural portion of the router that handles all routing protocol processes as well as other software processes that control the router s interf
242. raft interface indicates a critical condition that can result in a system shutdown The triangular yellow alarm next to it indicates a less severe condition that requires monitoring or maintenance Both alarms can occur simultaneously When an alarm LED is lit the LCD describes the cause of the alarm For more information about the alarm LEDs see Alarm Relay Contacts LEDs and Cutoff Button on page 18 For more information about the causes of alarms see Hardware and Interface Alarm Messages on page 192 E FPC For each of the eight FPC slots in the router there are two LEDs and an offline button located on the craft interface directly below the slot The green LED labeled OK and red LED labeled FAIL indicate FPC status For more information see FPC LEDs and Offline Button on page 18 W Routing Engine LEDs at the right side of the craft interface indicate the status of the Routing Engine a green one labeled OK and a red one labeled FAIL For more information see Routing Engine LEDs and Interface Ports on page 19 LEDs on Hardware Components LEDs on the faceplates of many hardware components report component status W PIC Most PICs have an LED labeled STATUS on the PIC faceplate Some PICs have additional LEDs often one per port The meaning of the LED states differs for various PICs For more information see the M20 and M40 Internet Routers PIC Guide W Power supply A red FAIL LED and a green OK LED are located on each
243. red down when you power on a power supply the Routing Engine boots as the power supply completes its startup sequence If the Routing Engine finishes booting and you need to power down the router again first issue the CLI request system halt command After a power supply is powered on it can take up to 60 seconds for status indicators such as LEDs on the power supply show chassis commands and messages on the craft interface LCD to indicate that the power supply is functioning normally Ignore error indicators that appear during the first 60 seconds M40 Internet Router Hardware Guide Power Supplies For information about the cables required for each type of power supply see Power System Requirements and Specifications on page 44 See the following sections for further information about the power supplies W AC Power Supply on page 21 W DC Power Supply on page 22 W Power Supply LEDs on page 22 AC Power Supply An AC powered router has two load sharing AC power supplies located at the bottom rear of the chassis as shown in Figure 2 Figure 8 shows the power supply and Table 8 lists electrical specifications For information about the LEDs on the power supply see Power Supply LEDs on page 22 Figure 8 AC Power Supply Captive Handle Extractor inserter screw Power switch Appliance US Safety interlock lever E Status LEDs Grounding points Table 8 AC Power Supply Electrical Specifi
244. rheating In general a center mount rack is preferable to a front mount rack because the more even distribution of weight in the center mount rack provides greater stability If a front mount rack is used we recommend supporting the back of the router with a shelf or other structure The chassis height of 55 in 89 cm equals 20 U the standard rack unit defined in Cabinets Racks Panels and Associated Equipment document number EIA 510 D published by the Electronics Industry Association Two routers can be stacked in a rack that has at least 42 U 75 5 in or 1 87 m of usable vertical space The rack must be strong enough to support the weight of the fully configured router up to about 280 Ib 127 kg If you stack two routers in one rack it must be capable of supporting about 560 Ib 254 kg Spacing of Mounting Holes The mounting holes on the rack rails must align with the mounting holes on the chassis mounting ears The chassis is equipped with two different sets of vertical mounting ears one set intended for center mount racks and one set intended for front mount racks Table 11 lists the spacing between mounting holes on these ears Table 11 Rack Mounting Hole Spacing Router Mounting Rail Hole Spacing Front mounting ear 5 U 5 25 in or 15 55 cm and 4 U 7 in or 17 78 cm Center mounting ear 3 U 5 25 in or 15 55 cm Connection to Building Structure Always secure the rack to the structure of the building If
245. rityp som rekommenderas av tillverkaren eller motsvarande F lj tillverkarens anvisningar vid kassering av anv nda batterier M40 Internet Router Hardware Guide Safety Guidelines and Warnings Jewelry Removal Warning Warning Before working on equipment that is connected to power lines remove jewelry including rings necklaces and watches Metal objects heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals Waarschuwing Alvorens aan apparatuur te werken die met elektrische leidingen is verbonden sieraden inclusief ringen kettingen en horloges verwijderen Metalen voorwerpen worden warm wanneer ze met stroom en aarde zijn verbonden en kunnen ernstige brandwonden veroorzaken of het metalen voorwerp aan de aansluitklemmen lassen Varoitus Ennen kuin ty skentelet voimavirtajohtoihin kytkettyjen laitteiden parissa ota pois kaikki korut sormukset kaulakorut ja kellot mukaan lukien Metalliesineet kuumenevat kun ne ovat yhteydess s hk virran ja maan kanssa ja ne voivat aiheuttaa vakavia palovammoja tai hitsata metalliesineet kiinni liitantanapoihin Attention Avant d acc der cet quipement connect aux lignes lectriques ter tout bijou anneaux colliers et montres compris Lorsqu ils sont branch s l alimentation et reli s la terre les objets m talliques chauffent ce qui peut provoquer des blessures graves ou souder l objet m tallique aux
246. rocedure for brevity the instructions refer to FPCs only 1 Place an antistatic mat or electrostatic bag on a flat stable surface to receive the FPC If any of the PICs on the FPC use fiber optic cable also have ready a rubber safety cap for each transceiver and cable If you are removing PICs from the FPC use a foam antistatic mat instead If a foam mat is not available substitute a standard flat antistatic mat but use extra care when laying the FPC component side down on it to avoid damaging the electrical components 2 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 5 Label the cables connected to each PIC on the FPC so that you can reconnect the cables to the correct PICs 4 Take the FPC offline by pressing and holding its offline button for 5 seconds or until the red FAIL LED next to the button goes out The offline button for each FPC is located just below it on the craft interface see Figure 75 Maintain and Replace Packet Forwarding Engine Components Replace an FPC or Quad wide PIC Figure 75 Remove an FPC M40 Internet Router Hardware Guide Extractor clip Thumbscrew Lt FPC LEDs and offline button GG 1060a Disconnect the cables from the PICs on the FPC If a PIC uses fiber optic cable immediately cover each transceiver and the end of each cable with a rub
247. rom the connector Do not allow fastened loops of cable to dangle which stresses the cable at the fastening point Figure 50 Connect Cable to a PIC Precharge pins t e eo SE Provide Power to the Router Connect the router to external power sources and power it on by performing the following procedures W Connect Power to an AC Powered Router on page 125 W Connect Power to a DC Powered Router on page 125 W Power On the Router on page 125 o M40 Internet Router Hardware Guide Provide Power to the Router Connect Power to an AC Powered Router You connect power to an AC powered router by plugging the power cord supplied with each power supply into the appliance inlet on the power supply faceplate and into an AC power source receptacle To connect the AC power cords follow this procedure 1 Verify that the switch on each power supply faceplate is in the OFF O position 2 Locate the power cords shipped with the router which should have a plug appropriate for your geographical location see AC Power Cord Specifications on page 45 3 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 4 Insert the appliance coupler end of a power cord into the appliance inlet on a power supply faceplate and insert the plug into an AC power source receptacle Verify that the power cord does not
248. roubleshoot the Packet Forwarding Engine Components Troubleshoot PICs For more detailed output add the detail option The following example also specifies a slot number 0 which is optional user host gt show chassis fpc detail 0 Slot 0 information State Online Logical slot 0 Temperature 28 degrees C 82 degrees F Total CPU DRAM 8 MB Total SRAM 1 MB Total SDRAM 128 MB Total notification SDRAM 24 MB I O Manager ASIC information Version 1 1 Foundry IBM Part number 0 Start time 2003 05 23 18 14 31 PDT Uptime 34 days 6 hours 9 minutes 5 seconds Troubleshoot PICs To troubleshoot PICs follow these guidelines W To check the status of each port on a PIC look at the LED located on the PIC faceplate For information about the meaning of LED states on different PICs see the M20 and M40 Internet Routers PIC Guide W To check the status of a PIC issue the following CLI command The following example specifies an FPC slot number 3 which is optional The PIC slots in the FPC are numbered from O zero through 3 top to bottom user host gt show chassis fpc pic status 3 Slot 3 Online PIC 0 4x OC 3 SONET MM PIC 1 4x OC 3 SONET SMIR PIC 2 1x OC 12 SONET SMIR PIC 3 1x G E 1000 BASE SX Troubleshoot the SCB To troubleshoot the SCB follow these guidelines W Periodically check the alarm LEDs and the LCD on the craft interface If the SCB is not functioning properly it might send spurious error messag
249. rter screw Safety interlock lever FAIL OK OD 1035 Maintain and Replace the Power Supplies Disconnect and Connect AC Power Disconnect and Connect AC Power The power cord that plugs into the appliance inlet on the faceplate of each AC power supply provides direct connection to the external power source See the following sections W Disconnect AC Power from the Router on page 140 W Connect AC Power to the Router on page 140 Disconnect AC Power from the Router To disconnect AC power from the router follow this procedure 1 On the console or other management device connected to the Routing Engine enter CLI operational mode and issue the following command to shut down the router software For more information see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management user host gt request system halt Wait to continue until a message appears on the console confirming that the operating system has halted 2 Press the power switch on both power supply faceplates to the OFF O position 5 Unplug the power cord from both power supplies When both AC power supplies are installed in the chassis both power cords one for each power supply must be using unplugged to disconnect power completely Connect AC Power to the Router 1 Verify that the power supplies are fully inserted in the chassis that the thumbscrews and extractor ins
250. ry interface DB 9 DB 9 connectors Routing Engine Category 5 cable or One 15 ft 4 92 m 328 ft 100 m RJ 45 Ethernet interface equivalent suitable length with autosensing for 100BaseT RJ 45 RJ 45 operation connectors Alarm relay 28 AWG to 14 AWG No None contacts 0 09 to 2 09 mm wire Prepare the Site o Site Preparation Checklist Site Preparation Checklist The checklist in Table 18 summarizes the tasks you need to perform when preparing a site for router installation Table 18 Site Preparation Checklist Item or Task Performed By Date Notes Verify that environmental factors such as temperature and humidity do not exceed router tolerances Measure distance between external power sources and router installation site Select the type of rack Plan rack location including required space clearances Secure rack to floor and building structure Acquire cables and connectors Locate sites for connection of system grounding Calculate power budget and power margin M40 Internet Router Hardware Guide Regulatory Compliance and Safety Information To install and use the router safely follow proper safety procedures This chapter provides the following safety and regulatory compliance information W Definition of Safety Warning Levels on page 55 W Safety Guidelines and Warnings on page 57 W Agency Approvals on page 84 W Compliance Statements for EMC Requirem
251. ry module 1 dB The power margin is as follows Py Pg LL Py 13 dB 2 km 1 0 dB km 5 0 5 dB 2 0 5 dB 0 5 dB HOL 1 dB CRM PM 13 dB 2 dB 2 5 dB 1 dB 0 5 dB 1 dB Py 6 dB In the following sample calculation for an 8 km long single mode link with a power budget Pg of 15 dB the link loss LL is the sum of fiber attenuation 8 km 2 0 5 dB km or 4 dB and loss for seven connectors 0 5 dB per connector or 5 5 dB Py Pg LL Py 13 dB 8 km 0 5 dB km 7 0 5 dB Py 13 dB 4 dB 3 5 dB Py 5 5 dB In both examples the calculated power margin is greater than zero indicating that the link has sufficient power for transmission and does not exceed the maximum receiver input power M40 Internet Router Hardware Guide Routing Engine Interface Cable and Wire Specifications Attenuate to Prevent Saturation at SONET SDH PICs SONET SDH interfaces in the different reach classes short reach SR intermediate reach IR and long reach LR generate different output power levels and tolerate different input power levels Interfaces that have a longer reach can transmit enough power to saturate the receivers on PICs that have a shorter reach Specifically LR interfaces can saturate IR PICs and both IR and LR interfaces can saturate SR PICs Interfaces in the same reach class can also potentially saturate one another To prevent saturation you might need to attenuate powe
252. s Table 12 AC Power Cable Specifications Country Electrical Specification Plug Type Australia 240 VAC 50 Hz AC SAA 3 China 220 VAC 50 Hz AC CH2 16P Europe 220 or 230 VAC 50 Hz AC VII Italy 250 VAC 50 Hz AC 1 3 16 North America 208 VAC 60 Hz AC NEMA 6 20P United Kingdom 240 VAC 50 Hz AC BS89 3 Figure 18 AC Plug Types 1990 Australia China Europe Italy North America UK DC Power and Grounding Cable Specifications On a DC powered router the power cable from each external DC power source attaches to terminal studs on the power supply as shown in Figure 19 There are two sets of 1 4 20 UNC terminal studs for each power supply the input set is labeled 48V and the return set is labeled RTN The grounding cable attaches to the 1 4 20 UNC grounding studs located at the lower right corner of the power supply Figure 19 DC Power Supply Cable Connectors Cable lug Terminal studs Locking washers Return 1131 Grounding studs o M40 Internet Router Hardware Guide Power System Requirements and Specifications Table 13 summarizes the specifications for the cables that you must supply for connecting to the power supply terminal studs and grounding studs Table 13 DC Power and Grounding Cable Specifications Maximum Equal Cable Type Quantity and Specification Length Power cables Four 6 AWG 13 3 mm wire cables None Grounding cable One 6 AWG 13 3 mm high
253. s W 7 16 in nut driver or wrench for tightening nuts to terminal studs on a DC power supply if 7 16 in tool is not available use pliers or an adjustable wrench rather than a metric nut driver or wrench W Rubber safety cap to cover the PIC cable connector for each PIC fiber optic cable removed Maintain and Replace Cables and Connectors Cable Specifications Cable Specifications See the following sections for specifications for the indicated type of cable For information about the cable used by the PICs supported on the M40 router see the M20 and M40 Internet Routers PIC Guide W AC Power Cord Specifications on page 45 W DC Power and Grounding Cable Specifications on page 46 W Routing Engine Interface Cable and Wire Specifications on page 55 Maintain PIC Cables To maintain PIC cables follow these guidelines W Use the cable management system shown in Figure 1 to support cables and prevent cables from dislodging or developing stress points W Place excess cable out of the way in the cable management system Do not allow fastened loops of cable to dangle from the connector because this stresses the cable at the fastening point Putting fasteners on the loops help to maintain their shape W Keep the cable connections clean and free of dust and other particles which can cause drops in the received power level Always inspect cables and clean them if necessary before connecting an interface W Label all PIC cables to id
254. s The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that attach to the circuit breaker box You must ensure that the connections at the circuit breaker box maintain the proper polarity The power source DC cables might be labeled and to indicate their polarity Caution M40 Internet Router Hardware Guide Disconnect and Connect DC Power Figure 66 Attach Cables to a DC Power Supply Terminal studs Cable lug Locking washers 1131 Grounding studs 7 Secure the cable lugs to the terminal studs first with locking washers then nuts 8 Verify that the DC power source wiring from the source DC breaker to the power supply is correct 9 Reinstall the protective shield covering the terminal studs 10 Repeat Steps 4 through 9 for the other power supply 11 Turn on the power to the management device that is connected to the Routing Engine through the craft interface port labeled CONSOLE AUXILIARY or MANAGEMENT ETHERNET For more information on connecting management devices see Connect the Router to Management and Alarm Devices on page 119 12 Press the power switch on the power supply to the ON position Verify that the green LED labeled OK on the power supply faceplate eventually lights steadily After a power supply is turned on it can take up to 60 seconds for status indicators such as LEDs on the power
255. s and Associated Equipment document number EIA 310 D published by the Electronics Industry Association http www eia org W A 600 mm rack as defined in the four part Equipment Engineering EE European telecommunications standard for equipment practice document numbers ETS 300 119 1 through 119 4 published by the European Telecommunications Standards Institute http www etsi org The horizontal spacing between the rails in a rack that complies with this standard are usually wider than the router s front or center mounting ears which measure 19 in 48 5 cm from outer edge to outer edge Use approved wing devices to narrow the opening between the rails as required o M40 Internet Router Hardware Guide Rack Requirements The rack rails must be spaced widely enough to accommodate the router chassis s external dimensions 35 in 89 cm high 23 5 in 60 cm deep and 17 5 in 44 5 cm wide The outer edges of the front and center mounting ears extend the width to 19 in 48 3 cm The spacing of rails and adjacent racks must also allow for the clearances around the router and rack that are specified in Clearance Requirements for Airflow and Hardware Maintenance on page 42 The router might not fit into an 800 mm deep cabinet though adjusting the front to back position of the front mounting rails inside the cabinet might help If mounting the router in a cabinet be sure that ventilation is sufficient to prevent ove
256. s running on the router including DVMRP and PIM You can configure additional routes for inclusion in the routing table In the multicast routing table the routing protocol process uses traffic flow and other parameters specified by the multicast routing protocol algorithms to select active routes W MPLS routing table Stores MPLS label information You can configure additional routing tables to meet your requirements as described in the JUNOS Internet Software Configuration Guide Routing and Routing Protocols Routing Policy By default all routing protocols place their routes into the routing table When advertising routes the routing protocols by default advertise only a limited set of routes from the routing table Specifically each routing protocol exports only the active routes that were learned by that protocol In addition IGPs IS IS OSPF and RIP export the direct interface routes for the interfaces on which the protocol is explicitly configured For each routing table you can affect the routes that a protocol places into the table and the routes from the table that the protocol advertises by defining one or more routing policies and then applying them to the specific routing protocol Routing policies applied when the routing protocol places routes into the routing table are called import policies because the routes are being imported into the routing table Policies applied when the routing protocol is advertising r
257. s use a high quality twisted pair cable with one ground conductor for each data signal when applicable Electromagnetic Compatibility If your site is susceptible to problems with electromagnetic compatibility EMC particularly from lightning or radio transmitters you might want to seek expert advice Strong sources of electromagnetic interference EMI can destroy the signal drivers and receivers in the router and conduct power surges over the lines into the equipment resulting in an electrical hazard It is particularly important to provide a properly grounded and shielded environment and to use electrical surge suppression devices Fiber Optic and Network Cable Guidelines The router supports PICs that use various kinds of network cable including multimode and single mode fiber optic cable For information about the type of cable used by each PIC see the M20 and M40 Internet Routers PIC Guide For more information about fiber optic cable see the following sections W Multimode and Single Mode Fiber on page 50 E Attenuation and Dispersion on page 50 W Power Budget Calculation on page 51 W Power Margin Calculation on page 51 E Attenuate to Prevent Saturation at SONET SDH PICs on page 53 Prepare the Site o Fiber Optic and Network Cable Guidelines Multimode and Single Mode Fiber Multimode fiber is large enough in diameter to allow rays of light to reflect internally bounce off the walls of the fiber Interfaces with multimode op
258. s can also be requested see Figure 25 to make it easier to lift the chassis into the rack They are recommended if a mechanical lift is not used Figure 25 Chassis Side Handles 1253 B M40 handle Prepare to Install the Router o Rack Mounting Brackets M40 Internet Router Hardware Guide Install the Router and Configure Software Before installing the router prepare the site as described in Prepare the Site on page 39 and unpack the router from the shipping crate as described in Unpack the Router on page 92 You can install the router into a rack either with or without the help of a mechanical lift Because a fully configured router weighs approximately 280 Ib 127 kg using a mechanical lift is recommended If you do not use a lift you must remove most components from the chassis to reduce its weight before installation then reinstall them before powering on the router This chapter describes both methods and also describes how to connect management and alarm devices PIC cables and power cables W Tools and Parts Required on page 97 W install the Router Using a Mechanical Lift on page 98 W Install the Router without Using a Mechanical Lift on page 99 Connect the Router to Management and Alarm Devices on page 119 Connect PIC Cables on page 121 Provide Power to the Router on page 122 Configure the JUNOS Internet Software on page 127 Tools and Parts Required You need the following tools an
259. s of forwarding decisions for outgoing packets System Control Board SCB Hosts the Internet Processor or Internet Processor II ASIC which makes forwarding decisions Figure 12 Packet Forwarding Engine Components and Data Flow Aree J PIC Blees Controller Controller System Control i pte FPC Board FPC m o ee EE Packet ER weg 00 out manager Processor manager ASIC Backplane Distributed Buffer Manager M40 Internet Router Hardware Guide Routing Engine 1243a Routing Engine Architecture Data Flow through the Packet Forwarding Engine Use of ASICs promotes efficient movement of data packets through the system Packets flow through the Packet Forwarding Engine in the following sequence see Figure 12 1 Packets arrive at an incoming PIC interface 2 The PIC passes the packets to the FPC where the I O Manager ASIC processes the packet headers divides the packets into 64 byte data cells and passes the cells to the backplane 3 The Distributed Buffer Manager ASIC on the backplane distributes the data cells hroughout the memory buffers located on and shared by all the FPCs ct 4 The Internet Processor or Internet Processor II ASIC on the SCB performs route lookups and makes forwarding decisions 5 The Internet Processor or Internet Processor II ASIC not
260. s provided in the accessory box shipped with the router into each of the two aligned holes 7 Moving up each post or ear install a screw in every mounting hole 8 Verify that all the mounting screws on one side of the rack are aligned with the mounting screws on the opposite side and that the router is level 9 Move the lift away from the rack 10 To complete the installation proceed to Connect the Router to Management and Alarm Devices on page 119 Install the Router without Using a Mechanical Lift If you cannot use a mechanical lift to lift the router into the rack you can install it manually First you need to reduce the weight by removing components from the chassis The reduced chassis weight is approximately 180 Ib 82 kg so lifting it safely still requires three people to lift and one to insert the mounting screws Table 20 lists the weight of major components Table 20 Chassis Component Weights Approximate Weight Approximate Weight Component Ib kg Air filter 0 5 0 2 Cable management system 2 1 Fan tray 5 2 FPC with 4 PICs installed 3 1 Lower impeller assembly with craft interface 9 4 Power supply 20 9 Routing Engine housing 17 8 Upper impeller assembly 10 4 System Control Board SCB 1 0 5 To install the router without a mechanical lift perform the procedures described in the following sections W Remove Components from the Chassis on page 100 W Install the Chassis in
261. s shape Avoid bending fiber optic cable beyond its minimum bend radius An arc smaller than a few inches in diameter can damage the cable and cause problems that are difficult to diagnose Caution Never let fiber optic cable hang free from the connector Do not allow fastened loops of cable to dangle which stresses the cable at the fastening point 5 Verify that the PIC is functioning correctly by noting whether the normal function indicator LED is lit The normal function indicator LED is usually green for more information see the M20 and M40 Internet Routers PIC Guide You can also verify correct PIC functioning by issuing the show chassis fpc pic status command described in Maintain FPCs and PICs on page 162 M40 Internet Router Hardware Guide Replace Power Supply Cables Figure 87 Connect Fiber Optic Cable to a PIC 1034 Replace Power Supply Cables For instructions for replacing AC or DC power cables see Disconnect and Connect AC Power on page 140 and Disconnect and Connect DC Power on page 147 Maintain and Replace Cables and Connectors Replace Cables and Wire Connecting to Routing Engine Interface Ports Replace Cables and Wire Connecting to Routing Engine Interface Ports To replace the cables and wires that connect external management devices to the craft interface see Figure 88 perform the proc
262. s unobstructed W Check the status reporting devices on the craft interface system alarms LEDs and LCD See Craft In erface on page 17 W Inspect the air filter at the bottom front of the router replacing it as needed for optimum cooling syste the air filter i m performance Do not run the router for more than a few minutes without n place For replacement instructions see Maintain and Replace the Air Filter on page 154 Replacing FRUs When you need to replace a router component contact your customer support or sales representative to order the field replaceable unit FRU that contains the part For instructions see Return the Router or Its Components on page 215 The subsequent chapters in this part describe how to replace FRUs For a list of the FRUs on the M40 router see Field Replaceable Units FRUs on page 4 Hardware Maintenance Overview o Replacing FRUs M40 Internet Router Hardware Guide Maintain and Replace the Power Supplies This chapter discusses the following topics related to maintaining and replacing the power supplies W Tools and Parts Required on page 135 W Maintain the Power Supplies on page 155 W Replace an AC Power Supply on page 156 W Disconnect and Connect AC Power on page 140 W Replace a DC Power Supply on page 141 E Disconnect and Connect DC Power on page 147 Tools and Parts Required To replace DC or AC power supplies you need the following to
263. shoot the Power Supply Fans M40 Internet Router Hardware Guide Troubleshoot the Packet Forwarding Engine Components This chapter discusses the following topics related to troubleshooting components of the Packet Forwarding Engine E Troubleshoot FPCs on page 201 E Troubleshoot PICs on page 202 E Troubleshoot the SCB on page 202 Troubleshoot FPCs As soon as an FPC is seated on an operating router the Routing Engine downloads the FPC software to it The FPC then runs diagnostics and enables the PICs that it houses During this time the green FPC LED labeled OK on the craft interface is blinking When the FPC is online and functioning normally the OK LED lights steadily To troubleshoot FPCs follow these guidelines W if the red FPC LED labeled FAIL lights steadily make sure the FPC is properly seated in the backplane use a Phillips screwdriver to check that the screws at the top and bottom of the card carrier are tight E Issue the CLI show chassis fpc command to check the status of installed FPCs As shown in the sample output the value Online in the column labeled State indicates that the FPC is functioning normally user host gt show chassis fpc Temp CPU Utilization Memory Utilization Slot State C Total Interrupt DRAM MB Heap Buffer 0 Online 28 1 0 8 9 15 1 Online 27 J 0 8 9 15 2 Online 29 1 0 8 12 14 3 Empty 4 Empty 5 Online 25 0 0 8 8 14 6 Online 29 1 0 8 9 1 7 Online 26 1 0 8 8 13 T
264. space d au moins 15 cm autour des ouvertures de ventilations Warnung Um einen Router der router vor berhitzung zu sch tzen darf dieser nicht in einer Gegend betrieben werden in der die Umgebungstemperatur das empfohlene Maximum von 40 C berschreitet Um L ftungsverschlu zu verhindern achten Sie darauf da mindestens 15 2 cm lichter Raum um die L ftungs ffnungen herum frei bleibt Avvertenza Per evitare il surriscaldamento dei router non adoperateli in un locale che ecceda la temperatura ambientale massima di 40 C Per evitare che la circolazione dell aria sia impedita lasciate uno spazio di almeno 15 2 cm di fronte alle aperture delle ventole Advarsel Unng overoppheting av eventuelle rutere i Juniper Networks router Disse skal ikke brukes p steder der den anbefalte maksimale omgivelsestemperaturen overstiger 40 C 104 F S rg for at klaringen rundt lufte pningene er minst 15 2 cm 6 tommer for forhindre nedsatt luftsirkulasjon Aviso Para evitar o sobreaquecimento do encaminhador Juniper Networks router n o utilize este equipamento numa rea que exceda a temperatura m xima recomendada de 40 C Para evitar a restri o circula o de ar deixe pelo menos um espa o de 15 2 cm volta das aberturas de ventila o jAdvertencia Para impedir que un encaminador de la serie Juniper Networks router se recaliente no lo haga funcionar en un area en la que se supere la temperatura ambiente m xima recomendada
265. ssssssssss 79 impeller assemblies ssssssss 157 e e 162 Routing ENGINE oaea et ees 174 SOB 169 packing hardware components for shipment 221 router for sbipmenmt 220 removal See removal instructions return router or COMPONENTS eee 215 Site BDIEDaratioOrT e ir od de o ene 59 npackthie IG 92 interface command line See CLI process software module in Routing Engine 29 interference electromagnetic 49 radio fr queriGy ot tette t Pete 49 Internet Processor or Internet Processor II ASIC Component on SCDB 2 etes tree mte Zeg 15 tole in TO Stee eet ie peteret 55 Juniper Networks Technical Assistance G nter JTAG uo ese tob pectet e Laos ete 194 JUNOS Internet software CLI See CLI COnfiguratiori etaed p tete d perdre 127 interface Processi iieii et e e 29 kernel Routing Engine 29 management pProCeS Sus ereh eee ee tT 29 MIB Beleeg 29 modularity and scalability sssss 34 ENEE 25 role in system architecture 55 routing protocol Drocesg eee eeeeeeeeeees 26 SNMP DOE RS ee Aet Aen e ned A Pet 29 tools for accessing and configuring 30 for monitorimg ee ee aia iaeaea 30 pgrade of dore o e pee 50 kernel software in Routing Enge 29 laser safety guidelines sssssssssse 76 LED On craft interface cs eet retenir den ee yeahs 19 LEDs AGC E Ve EE ER alarm red and yellow on craft interface le el el
266. stell angebracht werden Bei Anbringung dieser Einheit in einem zum Teil gef llten Gestell ist das Gestell von unten nach oben zu laden wobei das schwerste Bauteil unten im Gestell anzubringen ist Wird das Gestell mit Stabilisierungszubeh r geliefert sind zuerst die Stabilisatoren zu installieren bevor Sie die Einheit im Gestell anbringen oder sie warten Avvertenza Per evitare infortuni fisici durante il montaggio o la manutenzione di questa unit in un supporto occorre osservare speciali precauzioni per garantire che il sistema rimanga stabile Le seguenti direttive vengono fornite per garantire la sicurezza personale Il Juniper Networks router deve essere installato in un telaio il quale deve essere fissato alla struttura dell edificio Questa unit deve venire montata sul fondo del supporto se si tratta dell unica unit da montare nel supporto Quando questa unit viene montata in un supporto parzialmente pieno caricare il supporto dal basso all alto con il componente pi pesante sistemato sul fondo del supporto Se il supporto e dotato di dispositivi stabilizzanti installare tali dispositivi prima di montare 0 di procedere alla manutenzione dell unit nel supporto M40 Internet Router Hardware Guide Warning Safety Guidelines and Warnings Advarsel Unng fysiske skader under montering eller reparasjonsarbeid pa denne enheten n r den befinner seg i et kabinett V r n ye med at systemet er stabilt F lge
267. strand count wire cable None For field wiring connections use copper conductors only For other electrical safety information see Electrical Safety Guidelines and Warnings on page 60 Warning Both the grounding studs and each pair of terminal studs on the circuit breaker box are spaced at 0 625 in 15 86 mm centers The accessory box shipped with the router includes the cable lugs that attach to the end of the power and grounding cables see Figure 20 The spacing of the holes in the lug matches the spacing of the terminal grounding studs Before router installation begins a licensed electrician must attach the cable lugs to the grounding and power cables that you supply Cables with incorrectly attached lugs can damage the router for example by causing a short circuit Caution Figure 20 DC Power Supply Terminal and Grounding Lug Lt 2 25 gt End view 0 28 0 d diameter e OC OC 4 6 AWG conductor Y each hole Crimp area cmm 0 08 0 25 0 625 0 37 1188 All measurements in inches During router installation secure the grounding cable to the grounding studs and the power cables to the terminal studs in that order Secure the grounding cable lug with washers then with 7 16 in nuts Then remove the plastic protective shield that covers the power supply terminal studs as shipped and secure the power cable lugs to the terminal studs with locking washers t
268. stribution panel To meet safety and EMC requirements and to ensure proper operation a DC powered router must be earth grounded before power is connected Each power supply has a pair of terminal studs for connecting the router to earth ground For power and grounding connection instructions see Provide Power to the Router on page 122 For both AC and DC powered routers power cords and cables must not block access to router components or Waring drape where people could trip on them AC Power Cord Specifications Two detachable AC power cords each 2 5 m approximately 8 ft long are supplied with the router The appliance coupler at the female end of the cord inserts into the appliance inlet on the faceplate of the AC power supply The coupler is type C19 as described by International Electrotechnical Commission IEC standard 60320 The plug at the male end of the power cord fits into the power source receptacle that is standard for your geographical location In North America AC power cords must not exceed 4 5 m approximately 14 75 ft in length to comply with National Electrical Code NEC Sections 400 8 NFPA 75 5 2 2 and 210 52 and Canadian Electrical Code CEC Section 4 010 3 The cords supplied with the router are in compliance Prepare the Site o Power System Requirements and Specifications Table 12 lists specifications for AC power cords and Figure 18 shows the types of plugs used in different region
269. supply show chassis commands and messages on the craft interface LCD to indicate that the power supply is functioning normally Ignore error indicators that appear during the first 60 seconds The Routing Engine boots as the power supply completes its startup sequence If the Routing Engine finishes booting and you need to power down the router again first issue the CLI request system halt command For complete instructions see Disconnect DC Power from the Router on page 147 If after powering on the power supply you must power it off wait at least 60 seconds After powering off a power supply wait 60 seconds before turning it back on Maintain and Replace the Power Supplies o Disconnect and Connect DC Power 15 Press the power switch on other power supply to the ON position and confirm that the OK LED lights as described in Step 4 If the LED is not lit after 60 seconds repeat the power supply installation procedures described in Install a DC Power Supply on page 144 and the previous steps in this procedure 14 On the management device monitor the startup process to verify that the system has booted properly M40 Internet Router Hardware Guide Maintain and Replace Cooling System Components his chapter describes how to maintain and replace cooling system components W Tools and Parts Required on page 153 W Maintain and Replace the Air Filter on page 154 W Maintain and Replace the Fan Tray on page 155
270. t interface name so x x x LRDI interface name so x x x SO ET line remote defect indicator interface name so x x x PRDI interface name so x x x SO ET path remote defect indicator interface name so x x x REI interface name so x x x SO ET remote error indicator interface name so x x x UNEQ interface name so x x x SO ET unequipped interface name so x x x PMIS interface name so x x x SO Juniper Networks Technical Assistance Center ET path mismatch If you need assistance during troubleshooting you can contact the Juniper Networks Technical Assistance Center JTAC by e mail at support juniper net or by telephone at 1 888 314 JTAC within the United States or 1 408 745 9500 from outside the United States M40 Internet Router Hardware Guide Troubleshoot the Power Supplies When a power supply is functioning correctly the green LED labeled OK is lit steadily and the red LED labeled FAIL is not lit If the LEDs are in any other states consult the following sections E All LE W All LE Ds on Both Supplies are Off on page 195 Ds on One Supply are Off or LED States are not Correct on page 195 All LEDs on Both Supplies are Off If all LEDs the router are off on both power supply faceplates either someone has switched off power to or the system temperature has exceeded the acceptable maximum In the latter case the Routing Engine
271. t consolidates the routing information learned from all routing protocols into common routing tables From this routing information the routing protocol process determines the active routes to network destinations and installs these routes into the Routing Engine s forwarding table Finally the routing protocol process implements the routing policies you specify which determine how routing information is transferred between the routing protocols and the routing table This section discusses the following topics W Routing Protocols on page 26 W Routing and Forwarding Tables on page 28 W Routing Policy on page 28 For complete information about routing concepts see the JUNOS Internet software configuration guides Routing Protocols The JUNOS Internet software implements full IP routing functionality providing support for IP Version 4 IPv4 and IP Version 6 IPv6 The routing protocols are fully interoperable with existing IP routing protocols and provide the scale and control necessary for the Internet core The software provides support for the following routing and traffic engineering protocols W Unicast routing protocols m BGP Border Gateway Protocol Version 4 is an Exterior Gateway Protocol EGP that guarantees loop free exchange of routing information between routing domains also called autonomous systems BGP in conjunction with JUNOS routing policy provides a system of administrative checks and balances that can be used
272. t peer address Network Time Protocol Protocol used to synchronize computer clock times on a network Optical Carrier In SONET Optical Carrier levels indicate the transmission rate of digital signals on optical fiber Open System Interconnection Standard reference model for how messages are transmitted between two points on a network Open Shortest Path First A link state IGP that makes routing decisions based on the shortest path first SPF algorithm also referred to as the Dijkstra algorithm A collection of files that make up a JUNOS software component The architectural portion of the router that processes packets by forwarding them between input and output interfaces Peripheral Component Interconnect Standard high speed bus for connecting computer peripherals Used on the Routing Engine Personal Computer Memory Card International Association Industry group that promotes standards for credit card size memory or I O devices Protocol data unit IS IS packets Provider edge router A router in the service provider s network that is connected to a customer edge CE device and that participates in a Virtual Private Network VPN An immediately adjacent router with which a protocol relationship has been established Also called a neighbor See Packet Forwarding Engine See PIC Physical Interface Card A network interface specific card that can be installed on an FPC in the router Glossary Glossary
273. te Remove the accessory box see Figure 22 Open the accessory box and verify the contents against the parts inventory on the label attached to the box Lift the crate off the pallet Unpack the Router Figure 22 Contents of the Shipping Crate This end up Carton flaps Accessory box Shipping carton Chassis Shipping bracket bolts chassis to pallet Pallet 7 Verify the chassis components received against the packing list included with the router A generic parts inventory appears in Table 19 If any part is missing contact a customer service representative 8 Use a 9 16 in open end or socket wrench to loosen and remove the bolts on the brackets that attach the chassis to the pallet If a 9 16 in tool is not available use pliers or an adjustable wrench rather than a fixed size metric wrench 9 Use a Phillips screwdriver to loosen the screws that secure the brackets to the sides of the chassis and remove the brackets Store the brackets screws and bolts inside the accessory box 10 Save the shipping crate packing materials and pallet in case you later need to move or ship the router 11 Proceed to Install the Router and Configure Software on page 97 to continue with the installation Table 19 Generic Inventory of Router Components Installed in Chassis Component Quantity Shipped FPC with up to 4 PICs installed Up to 8 PIC Up to
274. tem Architecture Overview Packet Forwarding Engine Architecture Packet Forwarding Engine Architecture The Packet Forwarding Engine performs Layer 2 and Layer 3 packet switching It can forward up to 40 million packets per second for all packet sizes which exceeds the line speed of eight OC 48 STM 16 lines The aggregate throughput for the router is 40 gigabits per second Gbps simplex or 2 5 Gbps per FPC installed in the system The Packet Forwarding Engine is implemented in application specific integrated circuits ASICs It uses a centralized route lookup engine and shared memory Packet Forwarding Engine includes the following components see Figure 12 W Physical Interface Cards PICs Physically connect the router to a complete range of fiber optic and digital network media A controller ASIC in each PIC performs control functions specific to the PIC media type Flexible PIC Concentrators FPCs House PICs and provide shared memory for processing incoming and outgoing packets Each FPC hosts an I O Manager ASIC which divides incoming data packets into memory blocks cells and reassembles the cells into data packets when they are ready for transmission Backplane Transports packets notifications and other signals between the FPCs and the SCB as well as other system components Hosts the Distributed Buffer Manager ASIC which distributes incoming data cells to the shared memory buffers on the FPCs and notifies the FPC
275. tenuation and Dispersion A functional optical data link depends on modulated light reaching the receiver with enough power to be correctly demodulated Attenuation is the reduction in power of the light signal as it is transmitted Attenuation is caused by passive media components such as cables cable splices and connectors While attenuation is significantly lower for optical fiber than for other media it still occurs in both multimode and single mode transmission An efficient optical data link must have enough light available to overcome attenuation Dispersion is the spreading of the signal in time The following two types of dispersion can affect an optical data link W Chromatic dispersion The spreading of the signal in time resulting from the different speeds of light rays W Modal dispersion The spreading of the signal in time resulting from the different propagation modes in the fiber For multimode transmission modal dispersion rather than chromatic dispersion or attenuation usually limits the maximum bit rate and link length For single mode transmission modal dispersion is not a factor However at higher bit rates and over longer distances chromatic dispersion rather than modal dispersion limits maximum link length An efficient optical data link must have enough light to exceed the minimum power that the receiver requires to operate within its specifications In addition the total dispersion must be less than the limi
276. th Supplies are Off on page 205 If the LCD on the craft interface reports failure of only one impeller and the other impellers are functioning normally the impeller is probably faulty and needs to be replaced For replacement instructions see Maintain and Replace Cooling System Components on page 153 For instructions about returning a faulty component to Juniper Networks see Return the Router or Its Components on page 215 If one of the fan assemblies fails look at the fan to determine whether the blades of the fan are rotating Individual blades are not distinguishable when the fan is rotating at normal speeds Troubleshoot the Power Supply Fans Troubleshoot the Power Supply Fans Two LEDs on each power supply faceplate report power supply status a green LED labeled OK and a red LED labeled FAIL In addition a fail condition triggers the red alarm LED on the craft interface Issue the following CLI command to check the status of the power supplies and their fans As shown in the sample output the value OK in the Status column indicates that the power supply is operating normally user host gt show chassis environment Class Item Status Measurement Power Power Supply A OK Power Supply B OK For further description of the output from the command see the JUNOS Internet Software Operational Mode Command Reference Protocols Class of Service Chassis and Management Troubleshoot the Cooling System Trouble
277. the chassis components system management and user access to the router These routing and software processes run on top of a kernel that interacts with the Packet Forwarding Engine For more information about the processes see Routing Engine Software Components on page 26 The Routing Engine includes the following functions and features W Processing of routing protocol packets The Routing Engine handles all packets that concern routing protocols freeing the Packet Forwarding Engine to handle only packets that represent Internet traffic W Software modularity Because each software process is devoted to a different function and uses a separate process space the failure of one process has little or no effect on the others W In depth Internet functionality Each routing protocol is implemented with a complete set of Internet features and provides full flexibility for advertising filtering and modifying routes Routing policies are set according to route parameters for example prefix prefix lengths and Border Gateway Protocol BGP attributes E Scalability The JUNOS routing tables have been designed to hold all the routes in current networks with ample capacity for expansion Additionally the JUNOS Internet software can efficiently support large numbers of interfaces and virtual circuits W Management interface Different levels of system management tools are provided including the JUNOS command line interface CLI
278. tics typically use LEDs as light sources LEDs are not coherent sources however They spray varying wavelengths of light into the multimode fiber which reflects the light at different angles Light rays travel in jagged lines through a multimode fiber causing signal dispersion When light traveling in the fiber core radiates into the fiber cladding higher order mode loss HOL results Together these factors limit the transmission distance of multimode fiber compared to single mode fiber Single mode fiber is so small in diameter that rays of light can reflect internally through one layer only Interfaces with single mode optics use lasers as light sources Lasers generate a single wavelength of light which travels in a straight line through the single mode fiber Compared with multimode fiber single mode fiber has higher bandwidth and can carry signals for longer distances It is consequently more expensive For information about the maximum transmission distance and supported wavelength range for the types of single mode and multimode fiber optic cable used by PICs on the M40 router see the M20 and M40 Internet Routers PIC Guide Exceeding the maximum transmission distances can result in significant signal loss which causes unreliable transmission The router uses optical lasers for SONET SDH PIC single mode interfaces These optics comply with IR 1 of Telcordia Technologies document GR 253 CORE Issue 2 December 1995 and ANSI TI 105 06 At
279. to implement peering and transit agreements ICMP Internet Control Message Protocol Router Discovery is a method that hosts can use to discover the addresses of operational routers on a subnet o M40 Internet Router Hardware Guide Routing Engine Software Components m IS IS Intermediate System to Intermediate System is an interior gateway protocol IGP for IP networks that uses the shortest path first algorithm SPF algorithm also called the Dijkstra algorithm to determine routes m OSPF Open Shortest Path First Version 2 is an IGP developed for IP networks by the Internet Engineering Task Force IETF OSPF is a link state protocol that makes routing decisions based on the SPF algorithm RIP Routing Information Protocol Version 2 is an IGP for IP networks based on the Bellman Ford algorithm RIP is a distance vector protocol The JUNOS RIP software is compatible with RIP Version 1 W Multicast routing protocols DVMRP Distance Vector Multicast Routing Protocol is a dense mode flood and prune multicast routing protocol IGMP Internet Group Management Protocol Versions 1 and 2 is used to manage membership in multicast groups MSDP Multicast Source Discovery Protocol enables multiple PIM sparse mode domains to be joined A rendezvous point RP in a PIM sparse mode domain has a peering relationship with an RP in another domain thereby discovering multicast sources from other domains m PIM sparse mo
280. to maneuver the router into a rack is recommended If a lift cannot be used a minimum of three people must lift the router and you must remove components from the chassis before lifting as described in Remove Components from the Chassis on page 100 W Before lifting or moving the router disconnect all external cables W As when lifting any heavy object lift most of the weight with your legs rather than your back Keep your knees bent and your back relatively straight and avoid twisting as you lift Balance the load evenly and be sure that your footing is solid At least three people are required to lift the chassis Before lifting the chassis remove components and attach the installation lifting handle as described in Remove Components from the Chassis on page 100 and Install the Chassis into the Rack on page 109 To prevent injury keep your back straight and lift with your legs not your back Warning Do not use the handles on the power supplies as hand holds for lifting the chassis Installation Instructions Warning Read the installation instructions before you connect the router to a power source Waarschuwing Raadpleeg de installatie aanwijzingen voordat u het systeem met de gt voeding verbindt Warning Varoitus Lue asennusohjeet ennen j rjestelm n yhdist mist virtal hteeseen Attention Avant de brancher le syst me sur la source d alimentation consulter les directives d installation Warnung Lesen
281. to the OFF O position See Figure 62 Figure 62 Flip the Power Switch on a DC Power Supply to the OFF Position Power switch 1128 4 Using a Phillips screwdriver loosen and remove the screws securing the protective shield over the terminal studs on one power supply Remove the shield 5 Using a 7 16 in nut driver or wrench loosen the nuts securing the cable lugs to the terminal studs on the power supply then remove the nut and washer from each terminal stud see Figure 63 Do not substitute a metric nut driver or wrench A tool that does not fit the nuts exactly can damage them If a 7 16 in tool is not available use pliers or an adjustable wrench Caution 6 Remove the cable lugs from the terminal studs Figure 63 Remove Cables from a DC Power Supply Terminal studs Cable lug Locking washers Return 1131 Grounding studs 7 Ifyou are decommissioning the router loosen and remove the nuts and washers that secure the grounding lug to the power supply and remove the grounding lug M40 Internet Router Hardware Guide Disconnect and Connect DC Power 8 Ifnot immediately attaching replacement cables replace the protective shield over the terminal studs and tighten the screws that secure it to the box 9 Verify that the removed cables are not touching or blocking access to any router components 10 Repeats Steps 4 through 9 for the other power supply Connect DC Power t
282. to the Rack on page 109 E Reinstall Components into the Chassis on page 111 Install the Router and Configure Software o Install the Router without Using a Mechanical Lift Remove Components from the Chassis To make the router light enough to install without a mechanical lift you must remove most of the components Warning The procedures in this section apply only to initial installation and assume that you have not yet connected power to the router If power is connected completely disconnect it before continuing See Disconnect AC Power from the Router on page 140 or Disconnect DC Power from the Router on page 147 If you are installing or replacing components in an operational router see the appropriate chapters in Part 3 Do not stack components on top of one another after removing them from the chassis Place each one individually on a flat stable surface either on an antistatic mat or in an electrostatic bag Set the removed components far enough away from the installation site that they will not be in the way as you lift the chassis into the rack Perform the procedures described in the following sections to remove components from the chassis E Remove E Remove E Remove E Remove E Remove E Remove E Remove E Remove E Remove M40 Internet Router Hardware Guide he Power Supplies on page 101 he Routing Engine Housing on page 102 he Upper Impeller Assembly on page 1
283. trical shock or fire Prevent Electrostatic Discharge Damage W Avoid spilling liquid onto the router chassis or onto any router component Such an action could cause electrical shock or damage the router W Avoid touching uninsulated electrical wires or terminals that have not been disconnected from their power source Such an action could cause electrical shock For a complete list of safety guidelines and warnings see Regulatory Compliance and Safety Information on page 55 Prevent Electrostatic Discharge Damage Many router hardware components are sensitive to damage from static electricity Some components can be impaired by as little as 30 V You can easily generate potentially damaging static voltages when you handle plastic or foam packing material or if you move components across plastic or carpet To prevent intermittent or complete component failures always take ESD precautions To minimize the potential for ESD damage observe the following guidelines W Always use an ESD wrist strap or ankle strap and make sure that it is in direct contact with your skin For equipment safety periodically check the resistance value of the antistatic strap The measurement should range from 1 to 10 Mohms Caution W When handling any component that is removed from the chassis make sure the equipment end of your ESD strap is attached to one of the electrostatic discharge points on the chassis which are shown in Figure
284. ts errors in an FPC it attempts to reset the FPC After three unsuccessful reset attempts the SCB takes the FPC offline and informs the Routing Engine Other FPCs are unaffected and system operation continues The SCB shown in Figure 5 has the following components W One Internet Processor or Internet Processor II ASIC Performs route lookups and makes routing decisions W Parity protected SSRAM Stores the forwarding table W Processor subsystem Manages SCB functions and handles exception packets The processor has the following components m One PowerPC 605e processor m Parity protected Level 2 cache m Parity protected DRAM E EEPROM Stores the serial number and revision level Hardware Component Overview o Packet Forwarding Engine E 19 44 MHz stratum 3 reference clock Generates clock signal for SONET SDH PICs W UC controller Monitors the status of router components W Debug port Connects the SCB to a laptop or other monitoring device through an RS 232 EIA 232 serial cable It uses a DB 25 connector W Four LEDs Indicate SCB status There are two green ones labeled ACTIVE and RUN and two amber ones labeled STAT1 and STAT2 Table 4 describes the LED states W Reset switch Restarts the SCB when pressed causing the Packet Forwarding Engine to reset and halting packet forwarding for up to approximately two minutes Do not use the reset switch under normal circumstances to access it push the end
285. ts of the University of California All rights reserved Portions of the GateD software copyright 1991 D L S Associates This product includes software developed by Maker Communications Inc Copyright 1996 1997 Maker Communications Inc Juniper Networks is registered in the U S Patent and Trademark Office and in other countries as a trademark of Juniper Networks Inc Broadband Cable Processor ERX ESP G1 G10 G series Internet Processor JUNOS JUNOScript M5 M10 M20 M40 M40e M160 M series NMC RX SDX ServiceGuard T320 T640 T series UMC and Unison are trademarks of Juniper Networks Inc All other trademarks service marks registered trademarks or registered service marks are the property of their respective owners M40 Internet Router Hardware Guide Copyright 9 2005 Juniper Networks Inc All rights reserved Printed in USA Writer Tony Mauro Editor Stella Hackell Illustrations Faith Bradford Covers and template design Edmonds Design Revision History 50 June 2005 Applied new template corrected problem report issues 4 February 2005 Removed information about PC card 7 October 2002 Added new component information and made minor edits 2 March 2002 Changed book title and added PIC related information 5 October 2001 Added FPC installation caution and applied new templates 5 January 2001 Added new information 21 September 2000 Added new Routing Engine information 2 April 200
286. ts specified for the type of link in Telcordia Technologies document GR 253 CORE Section 4 3 and International Telecommunications Union ITU document G 957 o M40 Internet Router Hardware Guide Fiber Optic and Network Cable Guidelines When chromatic dispersion is at the maximum allowed its effect can be considered as a power penalty in the power budget The optical power budget must allow for the sum of component attenuation power penalties including those from dispersion and a safety margin for unexpected losses For more information calculating the power budget see Power Budget Calculation on page 51 Power Budget Calculation A link s power budget is the maximum amount of power it can transmit When you calculate the power budget you use a worst case analysis to provide a margin of error even though all the parts of an actual system do not operate at the worst case levels To calculate the worst case estimate of power budget Pg you assume minimum transmitter power PT and minimum receiver sensitivity Pp Table 15 lists equations for calculating the power budget for SONET SDH PIC interfaces The values are measured in decibels dB and decibels referred to one milliwatt dBm Table 15 Calculating Power Budget for SONET SDH PIC Interfaces PIC Interface Power Budget Equation Multimode Pg P7 PR Pg 15 dBm 28 dBm Pg 13 dB OC 12 single mode Pg Pr PR Pg 15 dBm 28 dBm Pg 13 dB
287. u integridad f sica Antes de manipular cualquier equipo considerar los riesgos que entra a la corriente el ctrica y familiarizarse con los procedimientos est ndar de prevenci n de accidentes Varning Denna varningssymbol signalerar fara Du befinner dig i en situation som kan leda till personskada Innan du utf r arbete p n gon utrustning m ste du vara medveten om farorna med elkretsar och k nna till vanligt f rfarande f r att f rebygga skador M40 Internet Router Hardware Guide Safety Guidelines and Warnings Safety Guidelines and Warnings This section provides the safety guidelines and warnings for installing operating and maintaining the router W General Safety Guidelines and Warnings on page 57 W Electrical Safety Guidelines and Warnings on page 60 W Installation Safety Guidelines and Warnings on page 71 W Laser and LED Safety Guidelines and Warnings on page 76 W Maintenance and Operational Safety Guidelines and Warnings on page 79 General Safety Guidelines and Warnings The following guidelines help ensure your safety and protect the router from damage The list of guidelines might not address all potentially hazardous situations in your working environment so be alert and exercise good judgement at all times W Perform only the procedures explicitly described in this manual Make sure that only authorized service personnel perform other system services W Keep the area around the chassis clear and free
288. udience on page xvii W Document Organization on page xviii W List of Technical Publications on page xviii W Documentation Conventions on page xx W Contact Juniper Networks on page xx W Documentation Feedback on page xxi Objectives This manual describes hardware installation and basic troubleshooting procedures for the Juniper Networks M40 Internet router It explains how to prepare your site for router installation unpack and install the hardware power on the router perform initial software configuration and perform routine maintenance After completing the installation and basic configuration procedures covered in this manual refer to the JUNOS Internet software configuration guides for information about further JUNOS software configuration To obtain additional information about the router either corrections to information in this manual or information that might have been omitted from this manual refer to the release notes available at the Juniper Networks hardware documentation Web site http www juniper net techpubs hardware The most current version of this manual is available at the same URL To order printed copies of this manual or to order a documentation CD ROM which contains this manual please contact your sales representative Audience This manual is designed for network administrators who are installing and maintaining a Juniper Networks M40 Internet router or preparing their site for router installation It
289. umber Label on page 218 SCB Serial Number ID Label on page 219 Return the Router or Its Components FPC Serial Number ID Label The serial number ID label on an FPC is located near the rear on the left side when the FPC is vertical as it is when installed in the router see Figure 97 Figure 97 FPC Serial Number ID Label 1603 Serial number ID label PIC Serial Number ID Label The serial number ID label on a PIC is located on the left side when the PIC is vertical as it is when installed in the router see Figure 98 Figure 98 PIC Serial Number ID Label SWe AIQG RW SMF AR 1604 Serial number ID label Return the Router or Its Components Q Return the Router or Its Components Power Supply Serial Number ID Label The serial number ID label on a power supply is located on the top see Figure 99 Figure 99 Power Supply Serial Number ID Label Serial number ID label 1605 Routing Engine Serial Number Label The location of the serial number label depends on the type of Routing Engine see Figure 100 and Figure 101 Some Routing Engines might have more than one serial number Contact your Juniper support representative if you need assistance in determining which serial number to provide Figure 100 Routing Engine 333 Serial Number ID Label Serial number ID label Teknor Silicon Serial ID 460000078ba2201 Board
290. vable and hot insertable To replace the upper impeller assembly perform the following procedures W Remove the Upper Impeller Assembly on page 159 W Install the Upper Impeller Assembly on page 160 Remove the Upper Impeller Assembly The upper impeller assembly is located at the top rear of the chassis above the fan tray see Figure 2 It weighs approximately 10 Ib 4 kg 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Unscrew the captive screws at the bottom corners of the assembly using a Phillips screwdriver if necessary Maintain and Replace Cooling System Components Replace the Upper Impeller Assembly 3 Grasp the handle at the top of the assembly and slide it about halfway out of the chassis 4 Move one of your hands underneath the assembly to support it and slide it completely out of the chassis Figure 73 Remove the Upper Impeller Assembly ae 1021 Install the Upper Impeller Assembly To install the upper impeller assembly follow this procedure see Figure 74 1 Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis 2 Grasp the handle at the top of the assembly and slide the assembly all the way into the chassis 5 Using a Phillips screwdriver tighten the thumbscrews at the lower corners of the assembly Figure 74 Install the Upper Impelle
291. ver a telnet connection to a network connected to the MANAGEMENT ETHERNET port on the craft interface Gather the following information before configuring the router W Name the router will use on the network W Domain name the router will use W IP address and prefix length information for the Ethernet interface W IP address of a default router W IP address of a DNS server W Password for the root user To configure the software follow this procedure 1 If the router is not already turned on power it on as described in Power On the Router on page 125 2 Login as the root user There is no password 5 Start the CLI root cli root gt 4 Enter configuration mode cli configure edit root 5 Configure the name of the router If the name includes spaces enclose the name in quotation marks edit root set system host name host name 6 Configure the router s domain name edit root set system domain name domain name Install the Router and Configure Software eo Configure the JUNOS Internet Software M40 Internet Router Hardware Guide Confi Confi gure the IP address and prefix length for the router s Ethernet interface edit root set interfaces fxpO unit O family inet address address prefix length gure the IP address of a backup router which is used only while the routing protocol is not running Confi edit root set system backup router address gur
292. works Technical Assistance Center 194 Troubleshoot the Power Supplies 195 AII EEDS on Both Supplies are Off 5 a code eet e plate oet ee 195 All LEDs on One Supply are Off or LED States are not Comrect eee 195 Troubleshoot the Cooling System sss 197 Troubleshoot the Fan Tray and Impeller Assembltes 198 Troubleshoot the Power Supply Fans Table of Contents Troubleshoot the Packet Forwarding Engine Components 201 TrOUBIESHOOEFPCS os ii pp td teo qu qune didt ea 201 Troubleshoot Bleech dere E nee rtr REPE SORS NOR SUE ane go tee fees 202 Troubleshoot the SCB 2 E ee e eo eb a er beu 202 Appendixes Cable Connectors and Pimouts sss 207 RJ 45 Connector Pinouts for the Ethernet Management Port 207 DB 9 Connector Pinouts for the Routing Engine Console and Auxiliary Ports 208 Eland Tl Ra Cable PIrlQUts dete be n tbe cer te ttbi tam ans 208 Fast Ethernet 12 port Cable Pinouts ii asra Kei aeae e 211 Fiber Optic Connector Cleaning sss 215 Return the Router or Its Componentes 215 Ret trUPIOCeduteco ioter spese alb Seene ASA SES 215 Locate Component Serial Numbers eee 216 FPG SerialNumber ID Kabelen Sold e Lea ee eee ee 217 PIGSerial Number ID Eabel de eben be tedbo ie deis 217 Power Supply Serial Number ID Label 218 Routing Engine Serial Number Label SCB Serial Number ID Label Pack the Router for Shipment Pack Components for Shipment Glossary oes C 223 Index Lite EE 257

Juniper CBL-M40-PWR-AU power cable

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