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Cisco Systems 1500 User's Manual

1. METRO 1 00 99 e D TO e e e e Power Power oon o IE S Ea ES ez 1 GS E Ea e e e e e EHE ERG E 25 e z e e e ig IO LQ e 3 e Figure 1 5 Extension Chassis B MUX WCM NEMI DMX Poweri Power2 freres e NN METRO 150 999 e O TO VOTO Te O q e o o je je je je Power Power GO G a e a 2 OowEr OOnEr OOwEr OOnEr OoOntr On Sie Sue om ox ou Sit ox o4 Stn 9m Sen Ste Sex Omm See Om Sar Ser Sar Ser Sar Ser Sar URI un val UR lv p
2. Cisco Systems 9 METRO 1500 seres 9 OOJOO e e e e e e e e e ont oct oomen ones over oonerono oL O O5 OLR ou Ou OLR OLR OLR OLR OLR OLA out our out ou our our ow ORR ORR ORR ORR ORR ORR ORR OR ORT ORT ORT ORT ORT ORT ORT ORT i p p rp p rp prp eS Ip BH I n p BH p BI 15 eal fell peel s p p ee 7 053 er RT nip D Ce le e Je Je o io e o e Optical Connectors of the MUX and DMX Each MUX and DMX has up to 10 optical connectors One input or output connector for each of up to eight WCMs installed in a chassis One common input D1 to DA WCM chassis location depending on the group of channels or common output M1 to 4 WCM chassis location depending on the group of channels One unused connector nc Use MiniSC type connectors Figure 1 11 shows the front panels of the MUX and DMX See the Connecting WCMs to MUX and DMX Modules section o
3. NEMI slave TO Chassis B WCM 17 24 DEMI METRO 1500 9999 Je Chassis C WOM 25 32 50317 4 External bus cable Cisco M etro 1500 Series Hardware Installation Guide 78 10588 03 zm Chapter1 ProductOverview Communication Channels Expansion M odules The Cisco Metro 1500 series system requires two identical WCMs to complete a full communications link one at each end of the link Each system unit includes primary chassis see Figure 1 3 that holds up to eight WCMs The WCMs transport up to eight independent channels Figure 13 Primary Chassis MUX WCM RSM DMX Power Power 2 METRO 150s QLQP e E n E ES 21 E BB 25 125 e e P B B H BE 5 ral ar r
4. 1 8 SA DUO S Chassis 2 transmitter input eae Chassis 2 receiver output Wavelength band from WCMs 9 16 Wavelength band from WCMs 9 16 Chassis 3 transmitter input i x 217 Chassis 3 receiver output Wavelength band from WCMs 17 24 Wavelength band from WCMs 17 24 Chassis 4 transmitter input uc T e Chassis 4 receiver output Wavelength band from WCMs 25 32 Wavelength band from WCMs 25 32 39348 Remote Switch M odule The Cisco Metro 1500 series system can be equipped with an optional optical switch or remote switch module RSM that enhances the system with 1 1 line protection capabilities The transmitter and the receiver of the band splitter module BSM are single mode fibers attached to the corresponding connectors of the RSM The RSM links the communication to one of its remote lines with two fibers each The active line of the RSM operates as the standard communication path and the other line is the backup path The backup line is observed continuously If communication is interrupted in the standard line the RSM links the communication to the backup line automatically Switching occurs in less than H Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 Chapteri Product Overview System Modules MI 50 ms After switching the former backup line now the active line operates as the standard line and the broken line becomes the backup line The RSM does not switch back when the bac
5. 909595969 05050 50 05050505050650505005060 ONE 8 turco Systems Power 2 Fuse 2 Power 1 Fuse 1 e o e M Identification AC power plate TM connectors Fuse Instructions for Certification holders power supply marks 39353 Each chassis is delivered with one to eight WCMs according to the configuration ordered Each WCM provides the conversion of the local or remote channels to their respective wavelengths All modules are hot swappable and can be repaired or upgraded while the other WCMs are in use WCMs support a wide range of data rates For more information on data rates optical budgets and supported protocols see Appendix A Specifications and Appendix E Unit Maintenance and Network Record The RSM is available as an option The RSM provides the system with 1 1 line protection and is installed in the primary chassis only See Figure 1 3 The primary chassis and extension chassis B also include the network element management interface NEMI module Extension chassis A and C includes an optional device element management interface DEMI module For information on the NEMI and DEMI refer to the Cisco Metro 1500 Series Software Configuration Guide 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapter1 ProductOverview Bl Communication Channels Each WCM has fiber optic cables
6. NEMI Location Placement The physical location of the NEMI module either master or slave in the chassis is the same See Figure 1 17 Figure 1 17 NEMI Location in the Primary Chassis and Extension Chassis master METRO 1500 seres o eC 990909 110 220V 110 220V AC o eG aaa 999000 NEMI Ports 32262 Each NEMI module contains four ports One serial port RS 232 One Ethernet port LOBASE T Two bus interconnect ports You can use the Ethernet port to connect the NEMI to the network or to another computer You can use the serial port to connect the NEMI to a computer for initial system configuration using PPP for connection to modems or terminal servers or for interconnecting two NEMI modules You can use bus interconnect ports to connect the NEMI master or the NEMI slave with the corresponding DEMI module using external bus cables The front panel of the NEMI is shown in Figure 1 18 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide 1 Product Overview B System Modules Figure 1 18 NEMI Front Panel Serial port Ethernet port Bus interconect ports Push
7. a single frequency as C4 Jb indicated below the symbol 4x200 Mbps 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapter1 ProductOverview Bl Chassis Airflow System The airflow system includes an air intake at the bottom front side of the chassis and a fan module with two fans at the rear of the chassis Two redundant power supplies power the fan module The chassis internal air temperature controls the rotational speed of the fans The state of the fan module can either be observed through the NEMI master or it can be read off the fan LEDs at the front side of the chassis A green light indicates that everything is in working order A red light signals that either a fan or a fan power supply is not working properly which does not necessarily endanger the functioning of the air flow system because there are backup fans and fan power supplies Refer to the Cisco Metro 1500 Series Software Configuration Guide for more information about fan observation using the NEMI master The ocmstate f provides information on the fans You can check the fan module status on the display panel at the front of the chassis and through the NEMI For more information about using the NEMI to check the fan status refer to the Cisco Metro 1500 Series Software Configuration Guide gt Caution The fan system can only be replaced by Cisco trained and certified technicians Power Supply Module The Cisco M
8. attached to its front panel The remote lines of each WCM are connected to the MUX and DMX of the chassis The common input and output connections of MUXs and DMXs to M4 D1 to D4 are connected to the BSM M1 to M4 D1 to D4 in extension chassis A For more information on the MUX DMX modules see the Multiplexer and Demultiplexer Modules section on page 1 22 The common input or output of the BSM MUX DMX can be connected to the RSM receiver or transmitter MUX DMX connector The signals of the remote link are then present at the line A and line B connectors of the RSM 16 Channel WCM System A 16 channel WCM system consists of two chassis Chassis 1 includes the NEMI module and chassis 2 holds the DEMI module Both NEMI and DEMI have to be interconnected using an external bus cable to allow management and configuration control information to pass between the two chassis The NEMI is configurable by the customer For more details refer to the Cisco Metro 1500 Series Software Configuration Guide 32 Channel WCM System exchange their data over a connection and the two originally independent 16 channel WCM systems appear to the outside as a single 32 channel WCM system When two 16 channel units are connected in this manner the NEMI in chassis 1 is configured to be a NEMI master and the NEMI in chassis 3 is configured to be a NEMI slave Both NEMIS are connected through their Ethernet ports to the Ethernet hub For more details
9. chassis B _ CH24 Extension chassis C CH32 BSM RSM lt _ Transmission fiber lines lt Receiving gt fiber lines pa Primary chassis lt sp m Extension chassis A CH16 CH CH CH CH Extension chassis B lt 1 25 Extension chassis C C o lt D 2 MX 9 7 39354 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapter1 ProductOverview Bl Communication Channels Primary and Extension Chassis The Cisco Metro 1500 series system has a modular structure so you can expand the system while it is in use Adding or removing channels does not affect the other working channels Figure 1 2 shows a typical Cisco Metro 1500 series system configuration containing a primary chassis and three extension chassis Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 1 Product Overview Communication Channels Figure 12 Typical Cisco Metro 1500 Series Configuration Ethernet cables Ethernet hub NEMI master METRO 1500s 96 412 I j a 89 q 8 Primary chassis WOM 1 8 Oe DEMI Chassis A WCM 9 16
10. describes the functions of each LED If the system is operational and all interfaces are properly connected all active TDMAE receive and transmit LEDs are continuously on Table 1 8 TDM4E LED Descriptions Label Color Description On Green Power is supplied to the TDMAE Solid green Data is received from a local port Data rate matches clock frequency d Blinking green Local port is enabled Solid yellow Data is received from a local port Data rate does not match clock frequency and the local clock is unlocked Blinking yellow Local port is disabled Solid green Data is received from a local port Data rate matches clock frequency in Blinking green Local port is enabled Solid yellow Data is received from a local port Data rate does not match clock frequency and the local clock is unlocked Blinking yellow Local port is disabled Solid green Data is received from a local port Data rate matches clock frequency B5 Blinking green Local port is enabled Solid yellow Data is received from a local port Data rate does not match clock frequency and the local clock is unlocked Blinking yellow Local port is disabled H Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 Chapteri Product Overview System Modules Table 1 8 TDM4E LED Descriptions continued Label Color Description Solid green Data is received from a local port Data rate ma
11. on the RSM front panel or by using the NEMI The RSM ships set to automatic mode and line is the active line Line B is the backup line By default the RSM does not save its last setting in the event of a power loss After power on the RSM is set to automatic mode and one line is the active line while the other line operates as backup line The RSM permanently monitors the availability of both line A and line B If line breaks and the backup line line B is functioning the RSM links the communication to line B After line recovers no further switching takes place Line B continues to operate as the active line and line A as the backup line The same applies when the active line B breaks The RSM monitors the accessibility of the backup line If line A breaks and if line B is functional the RSM links the communication to line B If line is the active line and you lock the RSM to line B the RSM checks the accessibility of line B If line B is functional the RSM switches the communication to line B and holds the communication on this line Automatic switching to the backup line line A is stopped If line B is broken the RSM cannot be locked to line B Cisco Metro 1500 Series Hardware Installation Guide EEG 78 10588 03 Chapter 1 Product Overview System Modules MI If line B is the active line and you lock the RSM on line B no switching takes place The communication is locked on line B Any automatic
12. refer to the Cisco Metro 1500 Series Software Configuration Guide 128 Channel ESCON System The first NEMI installed in chassis 1 is configured to be a NEMI master and the other three NEMIs are all configured as NEMI slaves All four NEMIs are connected through their Ethernet ports to the Ethernet hub Provided that the frames are connected and configured as described the complete system of eight Cisco Metro 1500 Series Hardware Installation Guide EE 78 10588 03 Chapteri Product Overview Chassis MI frames constitutes a single unified network element with a unique Ethernet address For more details refer to the Cisco Metro 1500 Series Software Configuration Guide Chassis Each chassis of the Cisco Metro 1500 series can be mounted in a 19 inch cabinet or in open racks Each chassis requires five rack units The chassis houses all of the system modules required to achieve the optical communications link This section describes the following chassis components Dimensions Labeling Airflow System Power Supply Module Dimensions The housing is modular in accordance with DIN specification 41494 part 5 The construction comprises two aluminum sides and four aluminum cross extrusions Standard features also include sheet steel covers and die cast aluminum cover extrusions All covers are uncoated aluminum cross extrusions side extrusions and handles are textured powder coated Figure 1 8 shows the dimensio
13. switching to the backup line line A is stopped If line B is the active line and you lock the RSM to line A the RSM checks the accessibility of line A If line A is functional the RSM switches the communication to line and holds the communication on this line Any automatic switching to the backup line line B is stopped If line A is broken the RSM cannot be locked on line A At any time the RSM can be switched from lock mode to automatic mode If neither line A nor line B is connected to the RSM or both lines are broken the red on LED blinks Also line A and line B LEDs are red as a visual signal to check for disconnected lines The push buttons below the LEDs allow you to switch between automatic mode and lock mode Lock mode can be enabled for either line A or line B If the lock mode for one line is activated the communication cannot be automatically switched to the other line Lock mode can be enabled either for an active line or for a backup line If the active line is locked the communication cannot be switched to the backup line If lock mode is enabled for a current backup line by pressing the respective button the RSM checks the availability of the backup line and if the line is in working order switches the communication to it so that it becomes the active line and locks it Now automatic switching to the backup line is impossible If the red on LED blinks and one of the A and B LEDs is red while the other one
14. vp vp p p e e e e ARI RR IRI IDI LO 4 n 5 AT bu e RT bu ie ie M e e e e e e e e Co x o e e Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 zm Chapter1 ProductOverview Bl Communication Channels Figure 1 6 Extension Chassis C DEMI MUX Power 1 Power 2 isco Svsrefis oood 9 METRO 151 Osenes 52 n e Me m OLR OLR OLR OLR OLR OLR OLR ORT ont ont ont ont ont 9 e C oO AUS UU D 22 PORTIA XR XU y o o e Figure 1 7 shows the rear view of the primary chassis and extension chassis Cisco Metro 1500 Series Hardware Installation Guide EN 78 10588 03 Chapter 1 Product Overview Communication Channels W Figure 17 Rear View of the Chassis Fan module 9500000000000000000 9000000000000000900 85858289808088980800 e 85858289808989898980 909950900090909000900090 909090909090909005909900
15. 00 Series Hardware Installation Guide 78 10588 03 sg Chapter1 ProductOverview B system Modules Figure 19 Optical Connectors of a WCM OL 2500 Mbps Mbps Chi R2 0 11310 M R1538 1 S R1538 1 S Local receiver connector Local transmitter connector Remote receiver connector Remote transmitter connector 39351 Multiplexer and Demultiplexer M odules The Cisco Metro 1500 series system uses DWDM technology to convert channels of optical communication into separate wavelengths of the ITU T grid The multiplexer MUX module combines several optical signals into a combined signal for transportation using one single mode fiber The demultiplexer DMX module receives the combined signal from the MUX at the remote end of the link In the DMX the combined optical signal is separated and fed into eight different fibers These signals are then transferred to the WCMs for reconversion into the customer s application signal Figure 1 10 shows the locations of the MUX and DMX in the chassis Cisco Metro 1500 Series Hardware Installation Guide a 78 10588 03 1 Product Overview System Modules Figure 1 10 MUX and DMX Locations
16. HS FC1062 CL 7 dBm with 1062 Mbps clock for coupling link High speed WCM HS MC1062 1250 7 dBm with 1062 or 1250 Mbps clock 2 488 Gbps WCM FC2488 8 dBm 1 R R remote receiver 2 dBm decibels referenced to 1 mW the standard unit of normalized power level used in optics where 0 dBm 1 mW 10 dBm 10 mW WCMs are used in pairs Adding a channel to a communication link requires adding WCMs of the same type and channel number at both ends of the link The available WCM types are either data rate transparent or they have clock recovery through a fixed or a settable multiclock For reasons of laser safety requirements the WCM is equipped with an automatic laser shutdown ALS which reduces the optical output power of the remote transmitter whenever a remote link is broken Cisco Metro 1500 Series Hardware Installation Guide E 78 10588 03 Chapter 1 Product Overview System Modules MI The status of receivers and transmitters can be observed locally with SNMP based network management tools In addition the front panel LEDs provide information on the operating status Refer to the Cisco Metro 1500 Series Software Configuration Guide for more information about this feature For service purposes data can be looped The loop function is switchable using the network management tools A local loop connects the electrical output of the local optical receiver with the electrical input of the loca
17. Product Overview This chapter describes the Cisco Metro 1500 series metropolitan area network MAN dense wavelength division multiplexing DWDM system and includes the following sections Product Description page 1 1 Communication Channels page 1 2 Chassis page 1 11 System Modules page 1 15 Product Description The Cisco Metro 1500 series system is a high performance wavelength division multiplexer that provides bidirectional data communication It is designed for communication over optical links in which different devices or applications are communicating over multiple fibers Using wavelength conversion several devices can communicate while being connected over one duplex fiber or two single fibers The Cisco Metro 1500 series system expands the distance and application capabilities of existing local area networks LANs metropolitan area networks MANSs and storage area networks SANs It is protocol independent and can support virtually any fiber optic device 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapter1 ProductOverview Bl Communication Channels The Cisco Metro 1500 series operates using the International Telecommunication Union ITU wavelength grid of 200 GHz channel spacing It receives the signal from the local device and converts it to the desired wavelength Only single mode fibers remote or trunk fibers are used for multiplexed data transmission The Cis
18. R input power for this WCM is 7 dBm These WCMs are similar to the WCMs with clock recovery with the exception that you can change the clock recovery data rate of WCMs with multiclocks You can set the clock recovery data rate using network management tools For more information refer to the Cisco Metro 1500 Series Software Configuration Guide 2 Note Be sure to set and enable clocks disable loopback and enable automatic mode for the RSM before installing and enabling the Cisco Metro 1500 series systems See the Clock Recovery Front Panel LEDs section on page 1 19 for LED descriptions Cisco Metro 1500 Series Hardware Installation Guide EXE 78 10588 03 Chapteri Product Overview System Modules MI Optical Connectors of the WCM Four optical connectors are located on the front panel of the WCM One local Rx connector L R for local signal input One local Tx connector L T for local signal output One remote Rx connector R R for remote signal input Oneremote Tx connector R T for remote signal output Use MiniSC connectors also called MUPC connectors See the Connecting WCMs to and DMX Modules section on page 5 2 for more information The front panel of the WCM is shown in Figure 1 9 2 Note Some WCMs have a sticker in the middle of the faceplate with the channel number release status and wavelength and fiber type of the local and remote ports Cisco M etro 15
19. co Metro 1500 series system provides communication within a broad range of data rates up to 2 488 Gbps and within a guaranteed optical budget The system is transparent to any data communication protocol except wavelength channel modules WCMs with clock recovery For more details on data rates optical budgets and supported protocols see Appendix A Specifications The Cisco Metro 1500 series system also provides monitoring and service functions such as loss of light and bit rate control as well as local and remote loopback Communication Channels DWDM technology allows different channels to be combined for transportation over one fiber pair A pair of multiplexer MUX and demultiplexer DMX modules assemble the channels into four groups of up to eight channels The band splitter module BSM assembles and disassembles the four groups for the two remote fibers The optional remote switch module RSM provides line protection to the system If the working line fails the RSM routes the combined service automatically to a backup line If used the RSM is installed only in the primary chassis Cisco Metro 1500 Series Hardware Installation Guide EN 78 10588 03 Chapter 1 Product Overview Communication Channels W Figure 1 1 shows the multiplexer architecture Figure 1 1 Multiplexer Architecture MUX _ CH1 Primary chassis CH8 CH9 17 25 Extension chassis CH16 _ CH Extension
20. d from the remote end of the link R T Green Data is transmitted to the remote end of the link Green WCM is in ALS mode LED blinks once every 10 seconds blinking Off Data stream is interrupted because the clock frequency does not match the current data rate 1 Any other state than the ones listed indicates a possible failure in the local system Locally received optical data enters the local receiver and is electrically transferred to the remote transmitter using clock recovery The clock recovery locks onto the edges of the data signal and restores the signal to the chosen data transmission frequency The remote transmitter transmits the data in optical form at a certain ITU wavelength to the MUX 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide J Chapter1 ProductOverview Bl System Modules Optical data that is sent by the module on the remote side enters the remote receiver of the local system through the DMX The data is then electrically transmitted to the local transmitter which delivers the optical data WCMs with Settable Clock Recovery The following transparent WCMs are available with settable clock recovery High speed WCM with 1062 Mbps clock High speed WCM with 1250 Mbps clock Low speed WCM with multiclock WCM LS MC High speed WCM with low speed multiclock WCM HS LS MC High speed WCM with 1062 5 or 1250 Mbit s clock WCM HS MC1062 1250 The maximum remote receiver R
21. e double width A maximum of four modules can be placed in one chassis Network Element Management Interface 5 The NEMI is a two slot plug in module that can be configured by software to be either a NEMI master or a NEMI slave The NEMI resides in the following chassis in the primary chassis Figures 2 3 and 2 4 chassis B Figure 2 6 chassis D and chassis F This interface provides status and configuration capabilities A management computer can be connected directly to the NEMI when using a serial LapLink cable or a crossover Ethernet cable Ethernet networks with more than two computers require an Ethernet hub The NEMI functions under version 2 0 35 of the Linux operating system The NEMI module provides the following Connection to the network using standard Internet protocols Remote management and configuration of all interconnected chassis SNMP monitoring and trap generation Systems with 24 to 32 channels require the installation of a second NEMI module in extension chassis B When the two NEMI modules are interconnected using an inter NEMI network connection INNC one NEMI module is configured as the NEMI master while the second is configured as the NEMI slave Note The NEMI master and the NEMI slave are physically identical modules and differ only in software configuration Cisco Metro 1500 Series Hardware Installation Guide EN 78 10588 03 Chapter1 Product Overview System Modules MI
22. ele 8 AAA FI LO 2 2 5155 B Bl etl A SS 5 r3 8 AS e jo e e o jo e e 0 DO st The Cisco Metro 1500 series system can be expanded by adding more WCMs Adding extension chassis A B and C Figure 1 4 to Figure 1 6 at both ends of the communications link upgrades the system to transport a total of 32 independent channels network element management interface NEMI can control up to two chassis and up to four NEMIs can be combined through an Ethernet hub or switch to appear as a single system as seen by a Network Management System NMS We recommend that you initially install the primary chassis and extension chassis A which holds the BSM to avoid service interruption while upgrading the unit to more than eight channels The primary chassis and the extension chassis are each equipped with two fully redundant load sharing hot swappable power supply modules PSMs as shown in Figure 1 3 to Figure 1 6 Cisco Metro 1500 Series Hardware Installation Guide Em 78 10588 03 1 Product Overview Communication Channels W Figure 14 Extension Chassis A WCM MUX BSM DMX Power 1 Power 2 DEMI
23. ent interface DEMI are described in the Cisco Metro 1500 Series Software Configuration Guide The Cisco Metro 1500 series system uses the technology of Dense Wavelength Division Multiplexing DWDM to optimize usage of available optical fibers WCMs convert the local optical signals to separate wavelengths of the ITU T grid necessary for DWDM The MUX is a passive high performance module which integrates up to eight optical signals into one wavelength band for transportation through the BSM on one single mode fiber Figure 2 13 The DMX receives the wavelength band from the corresponding MUX at the remote end of the link via the BSM In the DMX the wavelength band is split into separate wavelength channels that are transferred to the WCMs for reconversion into the customer application signal as shown in Figure 2 13 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide J Chapterl ProductOverview Bl system Modules Wavelength Channel M odules Table 1 2 lists the seven WCMs that are available for the Cisco Metro 1500 series system their part numbers and their maximum remote receiver R R input power in decibels per milliwatt dBm Table 1 2 Available WCMs Maximum R R Input WCM Part Number Power Low speed transparent WCM LS T 5 dBm with 100 to 200 Mbps High speed transparent WCM HS T 7 dBm with 100 to 1250 Mbps High speed WCM HS FC622 7 dBm with 622 Mbps clock High speed WCM
24. etro 1500 series system provides high reliability in data and telecommunication applications because it has two identical fully redundant power supplies Each power supply can take over the power needs of the entire system These power supplies provide 5V at 30A to the system and full input to output input to case and output to output isolation For detailed information on the power supply and how to replace it see the Determining Power Supply Status section on page 3 23 The state of the PSMs can either be observed through the NEMI Master or it can be read off the LEDs at the front side of the frame If both PSMs are working the green or red power LED is lit otherwise there is no light at all Cisco Metro 1500 Series Hardware Installation Guide ELS 78 10588 03 Chapter 1 Product Overview System Modules MI System M odules 2 Note The Cisco Metro 1500 series system is a modular system in which modules can be added or exchanged during operation You can adjust the system unit to meet your application requirements Purchasing a chassis that is not fully populated with modules allows you to upgrade the system at a later time This section describes the following system modules Wavelength Channel Modules Multiplexer and Demultiplexer Modules Band Splitter Module Remote Switch Module TDMAE Wavelength Channel Modules The network element management interface NEMI and the device element managem
25. here to reset __ O Power Error Q Err int BUS Err Ext BUS O Receive O Link Net 32261 H Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 Chapteri Product Overview NEMI LEDs System Modules MI Table 1 9 describes the functions of the LEDs shown in Figure 1 18 Table 1 9 NEMI LED Descriptions LED Color Description Power Green Power is on Error Red An error is occurring Err Int Red An error on the internal bus is occurring BUS Err Ext Red An error on the external bus is occurring BUS Receive Blinking green Link is active traffic is on the network Link Green Link is established The 1OBASE T network link is established For more information about NEMIS refer to the Cisco Metro 1500 Series Software Configuration Guide Device Element M anagement Interface The device element management interface DEMI is a single slot module that resides in chassis A C E and G This interface provides status and configuration capabilities of the extension frame in which it is installed to the corresponding NEMI A DEMI module is needed to administer systems with more than 8 WCMs or 4 TDMAEs A DEMI and a NEMI have to be linked by an external bus cable The DEMI module provides the following Monitoring of the system bus in the extension chassis in which it is installed Bidirectional communication to the NEMI
26. ignal at its remote input from the remote side of the link This mixed signal is split into four groups for demultiplexing in the DMX modules Cisco Metro 1500 Series Hardware Installation Guide 124 78 10588 03 Chapteri Product Overview System Modules MI The BSM is installed in chassis A to avoid service interruption on upgrading the unit to more than 16 channel WCM or 8 channel TDMAE respectively This also means that if you only have the primary chassis you need a chassis A to install a BSM Optical Connectors of the BSM The BSM has up to 10 optical connectors One input connector M1 to M4 for each of the four MUX modules One output connector D1 to D4 for each of the four DMX modules One common input D or common output M connectors are of the MiniSC type Figure 1 12 shows the front panel of the BSM Connecting the BSM is described in the Connecting BSMs with MUX and DMX Modules section on page 5 4 and in the Connecting a BSM to an RSM section on page 5 6 Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 t Chapter1 ProductOverview System Modules Figure 1 12 Optical Connectors of the BSM in a 32 Channel WCM System BSM Common transmitter output PEZ Common receiver input Chassis 1 transmitter input 5277 pe nd An Wavelength band from WCMs
27. is flashing red this indicates two possible situations neither line A nor line B are connected to the RSM or both lines are broken In this situation the lock mode can be activated once for testing purposes 4 Wavelength Channel M odules The Cisco Metro 1500 series system can be equipped with an optional time division multiplexing 4 x ESCON TDM4E wavelength channel module The TDMAE uses TDM technology to provide a transmission capacity four times higher than conventional WCMs TDM technology allows you to combine 4 200 MB ESCON channels into one WDM channel making optimal use of the available fiber bandwidth 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapter1 ProductOverview System Modules S Note ESCON Enterprise System Connection is an IBM registered trademark Each TDMAE contains four submodules or interfaces that guarantee optical receiving and transmission These optical ESCON interfaces are connected to the MUX DMxX unit on the main board of the TDM4E The MUX DMX modules electrically multiplex and demultiplex asynchronously up to four ESCON channels to one optical channel for transmission The remote transmitter R T generates the optical output signal and feeds it into the remote line The remote receiver R R receives the optical signal from the remote end of the communication link converts it into an electrical signal and then transfers it to the MUX DMX mod
28. kup line recovers The RSM can be controlled locally with push buttons at the front panel and remotely using the network element management interface NEMI and network management software For more information on the NEMI refer to the Cisco Metro 1500 Series Software Configuration Guide Figure 1 13 shows the RSM front panel with its optical connectors Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 t Chapter1 ProductOverview B system Modules Figure 1 13 RSM Optical Connectors Push buttons Lock line A 2 Lock line mode Connectors Line A transmitter output Line A receiver input Line B transmitter output RSM Push Buttons and LEDs Three push buttons control the RSM Table 1 5 lists each push button and its function Table 1 5 RSM Push Button Descriptions Label Description Locks the RSM on line A Lk Locks the RSM on line B Auto Switches the RSM to automatic mode Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 1 Chapteri Product Overview System Modules MI Four LEDs indicate the status of the RSM Table 1 6 describes these LEDs Table 1 6 RSM LED Descriptions Label Color Description On Green Power is on No error is detected Red A hardware error is detected continuous Red Loss of signal is detected on both remote
29. l optical transmitter This loop enables a test of the local transmission lines the local receiver and the local transmitter Locally arriving data is directly sent back A remote loop connects the electrical output of the optical receiver at the remote system to the electrical input of the optical transmitter so that the data sent to the remote system is directly retransmitted to the local system This loop enables a test of the remote transmission lines the MUX DMX pair the remote receiver and remote transmitter pair and the remote system Data Rate Transparent W CM s The following transparent WCMs are available Low speed transparent WCM that supports data rates of 100 to 200 Mbps High speed transparent WCM that supports data rates of 100 to 1250 Mbps These WCMs are protocol transparent and they support their data rates within a guaranteed optical budget Locally received optical data enters the local receiver and is electrically transferred to the remote transceiver It transmits this data in optical form at a certain ITU wavelength into the MUX which sends the data to the system at the other side of the link There the optical data enters firstthe DMX and then the remote receiver of the system The data then is electrically transmitted to the local transmitter which delivers the optical data Remotely received optical data from the paired WCMs enters through the DMX into the remote receiver at a specific ITU wavelength The da
30. lines of the RSM blinking Both remote lines are broken or a hardware error is detected A Green Line A is active Green Line A is inactive A takeover of the communication is blinking possible Red Line A is broken and active Red Line A is broken and inactive blinking B Green Line B is active Green Line B is inactive A takeover of the communication is blinking possible Red Line B is broken Lk Yellow RSM is locked to one line No automatic switching is possible Optical Connectors of the RSM Table 1 7 lists the six optical connectors of the RSM Figure 1 13 shows the front panel of the RSM and its optical connectors Table 1 7 RSM Optical Connector Descriptions Label Description A T Line A transmitter A R Line A receiver 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide m Chapter1 ProductOverview Bl system Modules Table 117 RSM Optical Connector Descriptions continued Label Description B T Line B transmitter B R Line B receiver D Transmitter output to the BSM M Receiver input from BSM 1 connectors are of the MiniSC type Modes of Operation The RSM supports two operation modes automatic mode and lock mode Automatic mode is the normal mode that enables the switching function of the RSM The lock mode is used for line testing and for servicing purposes You can switch between the modes by pushing the appropriate button
31. llowing transparent WCMs are available with fixed clock recovery High speed transparent WCM that supports data rates of 622 Mbps High speed transparent WCM with 1062 Mbps clock for coupling link WCM that supports 2 488 Gbps WOCM with 850 nm multiclock S Note 5 with settable clock recovery are also available See the WCMs with Settable Clock Recovery section on page 1 20 Cisco Metro 1500 Series Hardware Installation Guide EN 78 10588 03 Chapter 1 Product Overview Clock Recovery Front Panel LEDs System Modules MI Only signals with the designated data rate can be transmitted within a guaranteed optical budget The WCM LEDs provide information about its operating status Table 1 4 describes the LEDs Table 1 4 Clock Recovery WCM LED Descriptions Label Color Description Green Power is on No software or hardware errors are detected Red A hardware or software error was detected or the initialization is in progress during system startup only Red WCM is in manual setting mode not shown in case of blinking error Loop Orange A remote and or a local loop is established L R Green Data is received from a local port and the data rate matches the clock frequency Yellow Data is received from a local port but the data rate does not match the clock recovery frequency L T Green Data is transmitted to a local port R R Green Data is receive
32. m Modules Figure 1 20 shows the front panel of the DEMI Figure 1 20 DEMI Front Panel Bus interconnect ports 32263 Table 1 10 describes the functions of the LEDs shown in Figure 1 20 Table 1 10 DEMI LED Descriptions LED Color Description On Green DEMI is on Err Red An error is occurring For more information about DEMIS refer to the Cisco Metro 1500 Series Software Configuration Guide 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapter1 ProductOverview BI system Modules Ethernet Hub An Ethernet hub is necessary in systems consisting of more than two chassis The hub is used to connect two or more NEMIs with each other and the Network Management System NMS It allows network management from a single point in the network Cisco Metro 1500 Series Hardware Installation Guide ETE 78 10588 03
33. n page 5 2 and Connecting BSMs with MUX and DMX Modules section on page 5 4 for more information Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 Er Chapter1 ProductOverview System Modules Figure 1 11 Primary Chassis MUX and DMX Connectors is 9 MUX DMX 1 8 32 1 8 32 Common transmitter output 3 Unused connector Unused connector I receiver input WCMB transmitter input 422 WCMS8 receiver output WCN7 transmitter input WCM receiver output WCM6 transmitter input EDI ss WCM6 receiver output WCM5 transmitter input 7 i WCM5 receiver output WCMA transmitter input 7 HE s Se WCM4 receiver output WOMS transmitter input 7 WOMS receiver output WCM2 transmitter input pi receiver output WCM1 transmitter input wom receiver output O 10 E Band Splitter M odule The Cisco Metro 1500 series system uses four channel groups consisting of eight channels of data communication The band splitter module BSM combines and splits these groups of multiplexed optical channels The group signals from the MUX modules are combined and routed to the input ports and then are multiplexed for data transmission through one fiber to the BSM at the remote side of the link Simultaneously the BSM receives the combined s
34. ns of the chassis Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 Eg Chapter1 ProductOverview Chassis Figure 1 8 Outer Dimensions of the Housing 440 mm ee A 222 mm 32270 _ gt mm ee 305 Labeling A label at the back of the unit identifies the system Each WCM RSM and NEMI have unique serial numbers and specification codes printed on the front panels of the modules WCMs are labeled with alphanumeric and pictographic descriptions of their main properties Table 1 1 provides descriptions of the WCM labels Cisco Metro 1500 Series Hardware Installation Guide EN 78 10588 03 Chapter1 Product Overview Table 1 1 WCM Labels Main Properties Chassis Specification 4 WCM with clock recovery The clock recovery is fixed to a single frequency as indicated below the symbol 622 Mbps WCM with clock recovery The clock 200 Mbps recovery can be set to three frequencies These frequencies shown above and below the symbol 125 155 Mbps Transparent WCM without clock 1250 Mbps recovery ranging from 100 to 1250 Mbps 100 Mbps Local port description of WCM Fiber L type is multimode and the E communication wavelength is 1310 nm Remote port description of WCM Fiber R type is single mode and the communication wavelength is 1550 nm TDMAE with clock recovery The clock Zo recovery is fixed to
35. optical signals into a combined signal for transportation using one single mode fiber to the optional remote switch module RSM The RSM enhances the system with a 1 1 line protection The demultiplexer module DMX receives the combined signal from the optional RSM In the DMX the combined optical signal is separated into the original wavelengths of optical communication These signals are then transferred to the TDM4Es for reconversion into the application signal See Figure 1 15 The TDM4Es support the 200 Mbit s clock rate used by the ESCON protocol 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapter1 Product Overview B System Modules Figure 1 15 TDM4E Multiplexer Architecture TDM4E1 CH1 CH2 CH3 nr TDM4E2 MUX I III INID O1 N TDM4E3 gooo aij alja L O TDM4E4 E Transmission H14 4 fiber lines CHi5 gt gt DM4E1 nn 2 DN H2 aT aaa Receiving ied 47262 Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 1 Product Overview System Modules Optical Connectors of the TDM 4E On the front panel of the TDMAE there are 10 MiniSC type optical connec
36. ta is then electrically transmitted to the local transmitter which delivers the optical data You can check the status of receivers and transmitters using the front panel LEDs or with SNMP based network management tools For more information on the available network management tools refer to the Cisco Metro 1500 Series Software Configuration Guide 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide 3 Chapterl ProductOverview system Modules Data Rate Transparent Front Panel LEDs The WCM LEDs provide information about its operating status Table 1 3 describes the LEDs Table 1 3 Transparent WCM LED Descriptions Label Color Description On Err Green Power is on No software or hardware errors are detected Red A hardware or software error was detected or the initialization is in progress during system startup only Red WCM is in manual setting mode not shown in case of blinking error Loop Orange A remote and or a local loop is established L R Green Data is received from the local port L T Green Data is transmitted to the local port R R Green Data is received from the remote end of the link R T Green Data is transmitted to the remote end of the link Green WCM is in ALS mode LED blinks once every 10 seconds blinking 1 Any other state than the ones listed indicates a possible failure in the local system WCMs with Fixed Clock Recovery The fo
37. tches clock frequency re Blinking green Local port is enabled Solid yellow Data is received from a local port Data rate does not match clock frequency and the local clock is unlocked Blinking yellow Local port is disabled LT4 Green Data is transmitted to a local port LT3 Green Data is transmitted to a local port LT2 Green Data is transmitted to a local port LT1 Green Data is transmitted to a local port Green Data is transmitted to the remote end of the link or the remote laser is forced on R T Blinking Remote laser is forced on while local loop is activated yellow red R T Flashing green ALS occurred when the green LED flashes every 10 seconds R T Yellow Local loop is activated R R R R Green Data is received from the remote end of the link Data rate matches the clock frequency The remote transmitter from the remote end of the link and the remote receiver from the local end are synchronized Yellow Data is received from the remote end of the link Data rate matches the clock frequency but the remote transmitter from the remote end of the link and the remote receiver from the local end are not synchronized ERR Solid red An error has occurred Blinking red Card initialization or local loop is activated or the remote laser is forced on 1 ALS automatic laser shutdown 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapterl ProductOverview Bl system Modules The TDMAE channel modules ar
38. to which it is physically attached using an external bus cable Management and configuration control information is passed to and from the attached NEMI Systems with 24 to 32 channels require the installation of a second DEMI in extension chassis C 78 10588 03 Cisco Metro 1500 Series Hardware Installation Guide Chapter1 ProductOverview B System Modules The DEMI module in extension chassis A connects to the NEMI master module in the primary chassis The DEMI module in extension chassis C connects to the NEMI slave module in extension chassis B DEMI Location Placement The physical location of the DEMI module is shown in Figure 1 19 Figure 1 19 DEMI Placement in an Extension Chassis DEMI location rice METRO 1500 seres 110 220V 110 220V wee eC 32264 DEMI Ports Each DEMI contains three bus interconnect ports The unlabeled bus interconnect port at the top of the DEMI module is not currently implemented The other ports are labeled BUS1 and BUS2 You can interconnect the DEMI to a NEMI using an external bus cable Cisco Metro 1500 Series Hardware Installation Guide ELE 78 10588 03 1 Product Overview DEMI LEDs Syste
39. tors Four local Rx connectors L R for local signal input Four local Tx connectors L T for local signal output One remote Rx connector R R for remote signal input Oneremote Tx connector R T for remote signal output Figure 1 16 shows the optical connectors on the front panel of the TDMAE Figure 1 16 Optical Connectors of the TDM4E UO UO Oi 4 200 Mbps On OO Er LR4 O O LT4 LR3 LT3 LR2 172 LR1 O O R R RAT Ch2 Ri 1 11310 M R1554 1 S Local receiver connector 4 B4 74 Local transmitter connector 4 Local receiver connector L R3 gt 173 75 Local transmitter connector 3 Local receiver connector 2 R2 J ur x Local transmitter connector 2 LTI Local transmitter connector 1 Local receiver connector 1 Remote receiver connector mwgX Remote transmitter connector 47263 gt Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 Eta Chapter1 ProductOverview Bl system Modules TDM 4E LEDs TheTDM4E LEDs provide information about its operating status The Gigabit Ethernet connection is typically equipped on the remote receiver side with a fixed clock rate of 1250 mbit s A complete loss of optical signal on the remote receiver causes the remote laser to automatically shut down Table 1 8
40. ule Figure 1 14 shows a typical TDMAE system configuration Figure 1 14 TDM4E System Configuration One Wavelength Only Local Local lines Submodule 1 TDM4E TDM4E Submodule 1 lines Channeli LL o4 Channel ESCON lt 4 e gt H gt ESCON R T R T 1 Submodule 2 gt Ne Submodule 2 Channel2 Ole Channel2 ESCON lt 1 e e gt pa gt NH gt ESCON nl MUX DMX MUXIDMX Submodule 3 Submodule 3 Channel3 1 IL Channel3 ESCON R R gt e t ESCON a le Submodule 4 Submodule 4 Channeld Ol Channel4 ESCON H e 4 eN l gt ESCON Remote fiber line bidirectional 47264 The local ports use multimode fibers Remote data is transmitted bidirectionally using single mode fiber only Cisco Metro 1500 Series Hardware Installation Guide 78 10588 03 Chapter 1 Product Overview System Modules MI All TDM4Es can be replaced or added at any time during operation of the system Setting up a communication link requires a pair of fully identical TDMAEs Up to four channels of optical communication of the TDMAE are converted to separate wavelengths of the ITU T grid for DWDM The multiplexer module MUX combines the

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