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SMC Networks 10/100/1000 SMCGS8P

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1. PA A w 4 g K IN On Le Ye 5 ee ace ae Se j a Sasa eee EE a 100 Mbps Connections Figure 2 2 Central Wiring Closet 2 3 NETWORK PLANNING Remote Connections with Fiber Cable Fiber optic technology allows for longer cabling than any other media type up to 10 kilometers for 100 Mbps single mode fiber at full duplex or up to 5 kilometers for 1 Gbps fiber The TigerSwitch can serve as a collapsed backbone providing direct connectivity for a widespread LAN The 100 Mbps single mode fiber module can be used to interconnect remote Fast Ethernet segments While the Gigabit module can be used for a high speed connection between floors in the same building or to connect to other buildings in a campus setting The figure below illustrates a TigerSwitch 100 stack connecting multiple segments with fiber cable Headquarters Warehouse PS gt ne CA Br FT EEE EEE SE lt Saa Seeman OF Gigabit Links Bi ne En MS Age OOO meters ers Server Farm S Basses eet 100 Mbps Fiber 2 kilometers Remote Switch Remote Switch et st Pr N 100 Mbps Segments Fi
2. TX RX me Fl F 4 Figure 1 7 1 Port 100BASE FX Single Mode Fiber Module Using single mode fiber optic cable the 100BASE FX port can be connected to a remote site up to 10 km 6 21 mi away This port operates only at 100 Mbps full duplex Optional 1000BASE SX Module SMC6900G 1000Base SX SC Extender Module O O TX RX SMC6900G Y JA I 1 Figure 1 8 Single Port 1000BASE SX Gigabit Module Using multimode fiber optic cable the 1000BASE SX port can be connected to a remote site up to 550 m 1805 ft away The 1000BASE SX Gigabit module operates at 1 Gbps with support for auto negotiation of duplex mode and flow control This module is fitted with an SC connector but you can attach an ST plug to the switch using the SC ST Converter Part Number 99 012034 091 Optional 1000BASE LX Module SMC6900GLSC 1000Base LX SC Extender Module TX RX SMC6900GLSC u Figure 1 9 Single Port 1000BASE LX Gigabit Module SMC6900GLSC contains one 1000BASE LX single mode fiber port that can be connected to a site up to 5 km 16 404 ft away using ABOUT THE TicERSwitcH 100 9 125 micron single mode fiber cable The 1000BASE LX Gigabit module operates at 1 Gbps with support for auto negotiation of duplex mode and flow control Optional 1000BASE T Module SMC6900GT 1000Base T Extender Module 10 e SM
3. De INPUT 4 4 Media or stack module Media module Figure 1 2 Rear Panel 1 1 ABOUT THE TiGERSwitcH 100 100BASE FX Multimode Fiber Module 100BASE FX Single mode Fiber Module 100Base FX SC ne 2 m o fe en AN ADO JA 1000BASE SX Gigabit Module 1000BASE LX Gigabit Module 7 1000Base SX SC Extender Module en 1000Base LX SC Extender Module x RX OO BE 1000BASE T Gigabit Module Stack Module 1000Base T Extender Module m smcsooocT Stack Module 1 O 1 100 Y TX RX Figure 1 3 Optional Modules Switch Architecture 1 2 The TigerSwitch employs a high speed switching fabric This design allows for simultaneous transport of multiple packets at low latency on all ports It also uses store and forward switching to ensure maximum data integrity In this mode the entire packet must be received into a port buffer and checked for validity before being forwarded This prevents errors from being propagated throughout the network This switch also features full duplex capability on all ports which effectively doubles the bandwidth of each connection This TigerSwitch can be used in a standalone configuration or can be stacked up to four high to form a single logical switch w
4. 3 31XD RADI gt 2 4DIR Se DSR gt 16 Console Port to 25 Pin DCE Port on Modem Switch s 9 Pin CCITT Signal Modem s 25 Pin Serial Port DCE Port Les DGD 8 ile Da 3 Bi TXD gt 12 AT DIR eree gt 20 Sea SGND 7 6 lt DSR 6 7 RTS gt 4 aa CS 5 9 lt R 22 Console Port to 25 Pin DTE Port on PC Switch s 9 Pin Null Modem PC s 25 Pin Serial Port DTE Port 1 DCD 1 1 8 DCD 2 RXD 2 3 3 TXD 3 TXD 3 2 2RXD 4 DTR 4 8 20 DTR 5 SGND 5 20 7 SGND 6 DSR 6 eo 7 5 DSR 7RTS 7 4 ARTS 8 CTS 9 5 5 CTS 9 RI 20 6 22RI CABLES CABLES APPENDIX C SPECIFICATIONS Physical Characteristics Ports 24 100BASE FX fiber 1 slot for an optional media expansion module 1 slot for an optional media expansion module or stacking module Network Interface 100BASE FX VF 45 connector Multimode fiber cable 62 5 125 or 50 125 microns Stack Interface Connects up to 4 units 4 8 Gbps full duplex uplink downlink ports 9 6 Gbps stack backplane bandwidth Buffer Architecture 32 Kbytes per 100 Mbps ports 2 Mbytes per 1000 Mbps ports Aggregate Bandwidth 8 8 Gbps Switching Database 8K MAC address entries LEDs System Power RPU Mgmt Port Mo
5. 4 5 Connecting to PCs Servers Hubs and Switches 4 5 Wiring Closet Connections 4 7 Troubleshooting A 1 Diagnosing Switch Indicators A 1 Power and Cooling Problems A 2 Installationen 2 RE EE A 2 In Barid Access anne nue Gd BAe Cee be Sees A 2 BABIES ERC er Ser en Er Sr DET Tr EOR B 1 Specifications 04 seeds pn Pate de sand idee bene B 1 RJ 45 Port and Cable Assignments B 3 1000BASE T Pin Assignments B 3 1000BASE T Cable Requirements B 4 Cable Testing for Existing Category 5 Cable B 4 Adjusting Existing Category 5 Cabling B 5 Console Port Pin Assignments B 6 DB 9 Port Pin Assignments B 6 Console Port to 9 Pin COM Port on PC B 7 Console Port to 25 Pin DCE Port on Modem B 7 Console Port to 25 Pin DTE Port on PC B 7 Specifications C 1 Physical Characteristics C 1 Switch Features 4 wenns MER PEGG ds ee REE ete ES C 3 Management Features 2 si oe Sean eee kG EE do C 4 TABLE OF CONTENTS Standards Ein need hes nen eae ban den Dan ee lh wh Meares C 5 Complianceses rt Ba ht AE LR RUE anne C 5 Warranty aaa aye re Wn ed ean oben C 5 Slide iti MOCUIE us muets madame ara eh C 6 100BASE FX Extender
6. Figure 3 5 Stacking the Switches INSTALLING THE SWITCH Connecting to a Power Source To connect a device to a power source Note It is recommended that the switches be stacked before being connected to a power source However a device can be added to the top or bottom of a stack that is on and operating without first powering down the stack Be sure to stack the new device before connecting it to a power source All switches in a stack must be powered on to allow traffic to pass across the stack s backplane To connect each device to a power source 1 Insert the power cable plug directly into the receptacle located at the back of the device 100 240V 50 60Hz 2A A N D y ba 7 Figure 3 6 Power Receptacle 2 Plug the other end of the cable into a grounded 3 pin socket Note For International use you may need to change the AC line cord You must use a line cord set that has been approved for the receptacle type in your country INSTALLING THE SWITCH 3 10 Check the front panel LEDs as the device is powered on to be sure the Power LED is lit If not check that the power cable is correctly plugged in The Mgmt LED on the unit with the Network Management Module installed will be lit If you have a purchased Redundant Power Unit connect it to the device and to an AC power source now following the instructions included with the package CHAPTER 4 MAKING NETWORK CONNECTIONS Connecting Netw
7. Half Duplex 412 m 1 351 f VF 45 Full duplex 100BASE FX 9 125 9 micron core single mode fiber SMF 2 km 1 24 miles VF 45 SC or ST Full duplex 1000BASE SX 50 125 or 62 5 125 micron core MMF 10 km 6 21 miles SC or ST See the following SC or ST table 1000BASE LX MMF or SMF See the following SC or ST table 1000BASE T Cat 5 5e 100 ohm UTP 100 m 28 f RJ 45 1000BASE SX Fiber Specifications Fiber Diameter Fiber Bandwidth Cable Length Range 62 5 125 micron 160 MHz km 2 220 m 7 722 ft ME 200 MHz km 2 275 m 7 902 ft 50 125 micron 400 MHz km 2 500 m 7 1641 ft MMI 500 MHz km 2 550 m 7 1805 ft CABLES B 2 Fiber Diameter 1000BASE IX Fiber Specifications 62 5 125 micron MMF 50 125 micron MMF 9 125 micron SMF Fiber Bandwidth Cable Length Range 160 MHz km 2 50 m 7 1805 ft 400 MHz km 2 550 m 7 1805 ft 500 MHz km 2 550 m 7 1805 ft N A 2 m 5 km 7 16 404 ft Note If you need to connect to a device with 62 5 125 micron cable that has ST type connectors SMC provides an optional SC ST Converter Part Number 99 012034 091 CABLES RJ 45 Port and Cable Assignments CAUTION DO NOT plug a phone jack connector into any RJ 45 port Use only twisted pair cables with RJ 45 connectors that conform with FCC standards The RJ 45 port on the SMC6900GT module supports 1000 100
8. Netzkabel oder Netzstecker sind besch digt Fl ssigkeit ist in das Ger t eingedrungen Das Ger t war Feuchtigkeit ausgesetzt Wenn das Ger t nicht der Bedienungsanleitung entsprechend funktioniert oder Sie mit Hilfe dieser Anleitung keine Verbesserung erzielen e Das Ger t ist gefallen und oder das Geh use ist besch digt f Wenn das Ger t deutliche Anzeichen eines Defektes aufweist an m Zum Netzanschlu dieses Ger tes ist eine gepr fte Leitung zu verwenden F r einen Nennstrom bis 6A und einem Ger tegewicht gr er 3kg ist eine Leitung nicht leichter als HOSVV F 3G 0 75mm einzusetzen Der arbeitsplatzbezogene Schalldruckpegel nach DIN 45 635 Teil 1000 betr gt 70dB A oder weniger iv TABLE OF CONTENTS About the TigerSwitch 100 1 1 OVEIVIEW BN Ete PER nin Al IA WA det he 1 1 Switch Architecture 1 2 Management Options 1 3 Description of Hardware 1 3 100BASE FX VF 45 Ports 1 3 Status LEDS aid ieee ee dr Rea hi bre aeg 1 4 Network Management Module 1 5 Optional Media Extender Modules 1 7 Optional Redundant Power Unit SMCRPU150W 1 9 Power Supply Receptacles 1 10 Features and Benefits 1 11 CONNECTIVITY seen eine ne alee ee ES 1 11 Expandability rn 2 2 WA le een 1 11 Per
9. Index 3 INDEX T tags priority 1 7 VLAN 2 5 Telnet 1 6 A 3 temperature within a rack 3 3 traffic priority 1 7 troubleshooting in band access A 2 power and cooling problems A 2 switch indicators A 1 U UL compliance iii V VCCI compliance ii VF 45 connections 4 2 VF 45 ports 1 3 VLANs 1 5 1 6 2 5 tagging 2 5 W warranty C 5 Web based management 1 3 Weighted Fair Queuing 1 7 Index 4 FOR TECHNICAL SUPPORT CALL From U S A and Canada 24 hours 7 days a week 800 SMC 4 YOU 949 707 2400 949 707 2460 Fax From Europe 8 00 AM 5 30 PM UK Greenwich Mean Time 44 0 1188 748740 44 0 1189 748741 Fax INTERNET E mail addresses techsupport smc com european techsupport smc europe com Driver updates http www smc com support html World Wide Web http www smc com FTP Site ftp smc com FOR LITERATURE OR ADVERTISING RESPONSE CALL U S A and Canada Spain UK Southern Europe Central Eastern Europe Nordic Middle East South Africa PRC Taiwan Asia Pacific Korea Japan Australia India SMC Networks 6 Hughes Irvine CA 92618 Phone 949 707 2400 800 SMC 4 YOU 34 93 477 4920 44 0 1188 748700 33 1 41 18 68 68 49 0 89 92861 200 46 8 564 33145 971 48818410 27 0 11 3936491 86 10 6235 4958 886 2 2747 4780 65 238 6556 82 2 553 0860 81 45 224 2332 61 2 9416 0437 91 22 8204437 Fax 949 707 24
10. When connecting to a switch that does not support IEEE 802 1Q VLAN tags use untagged ports 2 5 NETWORK PLANNING Connectivity Rules When adding hubs repeaters to your network please follow the connectivity rules listed below for Ethernet Fast Ethernet or Gigabit Ethernet However note that because switches break up the path for connected devices into separate collision domains you should not include the switch or connected cabling in your calculations for cascade length involving other devices 1000 Mbps Gigabit Ethernet Collision Domain 2 6 Maximum 1000BASE T Optic Cable Distance 1000BASE T Cat 5 5e 100 ohm UTP 100 m 328 ft RJ 45 Maximum 1000BASE SX Fiber Optic Cable Distance Fiber Size Fiber Bandwidth Maximum Cable Length 62 5 125 micron 160 MHz km 7 722 ft 2 220 m MME 200 MHz km 7 902 ft 2 275 m 50 125 micron 400 MHz km 7 1641 ft 2 500 m Tee 500 MHz km 7 1805 ft 2 550 m Maximum 1000BASE LX Fiber Optic Cable Distance 1000BASE LX Fiber Specifications Fiber Diameter Fiber Bandwidth Cable Length Range 62 5 125 micron MMF 160 MHz km 2 550 m 7 1805 ft 50 125 micron MMF 400 MHz km 2 550 m 7 1805 ft 500 MHz km 2 550 m 7 1805 ft 9 125 micron SMF N A 2m 5 km 7 16 404 ft Note Although maximum cable length for 100BASE FX fiber depends on the duplex mode the maximum length for 1000BA
11. been recognized as one of the most important building blocks for today s networking technology When performance bottlenecks are caused by congestion at the network access point such as the network card for a high volume file server the device experiencing congestion server power user or hub can be attached directly to a switched port And by using full duplex mode the bandwidth of the dedicated segment can be doubled to maximize throughput When networks are based on repeater hub technology the maximum distance between end stations is limited For Ethernet there may be up to four hubs between any pair of stations for Fast Ethernet the maximum is two This is known as the hop count However a switch turns the hop count back to zero So subdividing the network into smaller and more manageable segments and linking them to the larger network by means of a switch removes this limitation A switch can be easily configured in any Ethernet or Fast Ethernet network to significantly boost bandwidth while using conventional cabling and network cards 2 1 NETWORK PLANNING Sample Applications The TigerSwitch 100 is not only designed to segment your network but also to provide a wide range of options in setting up network connections Some typical applications are described below Collapsed Backbone 2 2 The TigerSwitch 100 is an excellent choice for mixed Fast Ethernet installations where significant growth is expected
12. solution for fiber to the desktop applications Each VF 45 port operates at 100 Mbps in half or full duplex mode configured manually 62 5 125 micron and 50 125 micron multimode fiber cable supported on all VF 45 ports 802 3u Fast Ethernet compliance ensures compatibility with standards based hubs network cards and switches from any vendor Expandability Optional 100BASE FX multimode fiber module SC connector that can connect to a remote site up to 2 kilometers away Optional 100BASE FX single mode fiber module SC connector that can connect to a remote site up to 10 kilometers away Optional 1000BASE SX Gigabit module that supports a connection of up to 550 meters using 50 125 micron 500 MHz km fiber cable and operates at 1 Gbps half or full duplex with auto negotiation for duplex mode and flow control Optional 1000BASE LX Gigabit module that supports a connection of up to 5 kilometers using 9 125 micron single mode fiber cable and operates at 1 Gbps half or full duplex with auto negotiation for duplex mode and flow control ABOUT THE TIGERSWITCH 100 Optional 1000BASE T Gigabit module that supports a connection of up to 100 meters using Category 5 or 5e UTP or STP cable and operates at 1 Gbps 100 Mbps or 10 Mbps half or full duplex with auto negotiation for speed duplex mode and flow control Optional Stack modules that can connect up to four switches 104 ports to the stack s 9 6 Gbps back
13. 1 9 C 8 mounting the switch in a rack 3 3 on a desktop or shelf 3 5 multicast switching 1 7 IGMP 1 7 IGMP Snooping 1 7 multimode fiber optic cables 4 3 N network connections 4 2 examples 2 2 null modem cable 1 5 O optional modules 1 2 C 6 modules installation 3 3 optional equipment D 1 ordering information D 1 out of band management 1 3 1 5 P package contents 3 2 pin assignments 25 pin DCE port B 7 25 pin DTE port B 7 console port B 6 DB 9 B 6 RJ 45 B 3 port saturation 1 3 1 6 port based VLANS 2 5 ports connecting to 4 2 power connecting to 3 9 priority queues 1 7 problems troubleshooting A 1 Q Qos 1 5 R rack mounting 3 3 rear panel of switch 1 1 INDEX rear panel receptacles 1 10 redundant power unit See RPU RJ 45 port connections 4 5 RJ 45 port pinouts B 4 RMON 1 3 routing applications 2 9 RPU 1 9 D 1 connecting 3 10 installing in a rack 3 5 installing on a desktop 3 5 RS 232 port 1 5 rubber foot pads attaching 3 5 S safety compliance iii sample applications 2 2 SC port connections 4 3 screws for rack mounting 3 2 SC ST Converter 1 7 4 3 4 4 D 1 serial port 1 5 site selelction 3 1 SNMP agent 1 3 Spanning Tree Protocol 1 6 2 5 4 1 specifications compliances C 5 environmental C 2 physical C 1 power C 2 stack module 1 9 standards compliance i C 5 IEEE C 5 status LEDs 1 4 surge suppressor using 3 1 switch architecture 1 2 switching introduction to 2 1
14. 2 7 1000 Mbps 2 6 console port 1 5 pin assignments B 6 contents of package 3 2 cooling problems A 2 cord sets international 3 9 D DC input 1 9 1 10 desktop mounting 3 5 device connections 4 1 E EC conformance i electrical interference avoiding 3 1 EMC safety compliance i equipment checklist 3 2 F Fast Ethernet connectivity rules 2 7 fault tolerance Spanning Tree 1 6 Index 1 INDEX FCC compliance i features C 3 management 1 12 switch 1 11 fiber cables 4 3 flow control IEEE 802 3x 1 3 front panel of switch 1 1 full duplex connectivity 2 1 G Gigabit Ethernet cable lengths 2 6 grounding for racks 3 3 I IEEE 802 3x flow control 1 3 indicators LED 1 4 installation connecting devices to the switch 4 2 4 5 desktop or shelf mounting 3 5 installing optional modules 3 3 modules 3 7 port connections 4 2 power requirements 3 1 problems A 2 rack mounting 3 3 RPUs in racks 3 5 site requirements 3 1 stacking 3 8 wiring closet connections 4 7 L laser safety iii 4 3 Index 2 LED indicators Activity 1 4 1 5 FDX 1 4 Link 1 4 Memt 1 4 problems A 1 PWR 1 4 RDP 1 4 Status 1 5 limited warranty C 5 location requirements 3 1 M management agent 1 3 features 1 12 C 4 module 1 5 out of band 1 3 1 5 SNMP 1 3 Telnet 1 6 Web based 1 3 MIB support C 4 modules 1000BASE LX 1 8 C 7 1000BASE SX 1 8 C 6 1000BASE T 1 9 C 7 100BASE FX 1 7 1 8 C 6 management C 8 slide in C 6 stack
15. IEEE 802 1D Spanning Tree Protocol This protocol adds a level of fault tolerance by allowing two or more redundant connections to be created between a pair of LAN segments When there are multiple physical paths between segments this protocol will choose a single path and disable all others to ensure that only one route exists between any two stations on the network This prevents the creation of network loops However if the chosen path should fail for any reason an alternate path will be activated to maintain the connection The default setting for the Spanning Tree Protocol is enabled This protocol may be configured out of band via the serial console port or in band via the Web interface Telnet or SNMP network management software VLANs The TigerSwitch 100 supports up to 256 VLANs A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network By segmenting your network into VLANs you can e Eliminate broadcast storms which severely degrade performance in a flat network e Simplify network management for node changes moves by remotely configuring VLAN membership for any port rather than having to manually change the node s IP address ABOUT THE TIGERSWITCH 100 e Provides data security by restricting all traffic to the originating VLAN except where a connection has been configured between separate VLANs using a router or L
16. Industry Canada Class A This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard entitled Digital Apparatus ICES 003 of the Department of Communications Cet appareil num rique respecte les limites de bruits radio lectriques applicables aux appareils num riques de Classe A prescrites dans la norme sur le mat riel brouilleur Appareils Num riques NMB 003 dict e par le minist re des Communications Japan VCCI Class A CORES FRUBRESSRESAEMAMBA VCCI DEE BOC OFAAHMRMEECT COPBARER CHAT 26 LER PBESROTCEMHVEF IOSEILIIKERBENEYNENRET BEDBRENGSCEMHVET Taiwan BSMI Class A SoA jae een gt EER FSP BEALE gt D S ER SEF BE gt Et de gt SESS SRE RAR Eh STR Australia AS NZS 3548 1995 Class A ACN 069 351 613 SMC contact for products in Australia is SMC Communications Pty Ltd Suite 18 12 Tryon Road Lindfield NSW2070 Phone 61 2 94160437 Fax 61 2 94160474 COMPLIANCES Safety Compliance Warning Fiber Optic Port Safety When using a fiber optic port never look at the transmit laser CLASS while it is powered on Also never look directly at the fiber TX LASER DEVICE port and fiber cable ends when they are powered on Avertissment Ports pour fibres optiques s curit sur le plan optique Ne regardez jamais le laser tant qu il est sous tension Ne regardez jamais di
17. Module C 6 1000BASE SX Extender Module C 6 1000BASE LX Extender Module C 7 1000BASE T Extender Module C 7 Agent Module C 7 STACK Module 22588 saunas Lis Dames C 8 Ordering Information D 1 Glossary Index Vil TABLE OF CONTENTS viii CHAPTER 1 ABOUT THE TIGERSWITCH 100 Overview SMC s TigerSwitch 100 is a stackable switch with 24 100BASE FX VF 45 ports plus two slots for optional slide in 100BASE FX or 1000BASE X modules One of these slots can also be used for an optional stacking module that allows you attach up to four switches to a 9 6 Gbps high speed backplane There is also an SNMP based Network Management Module installed in the rear panel This module supports both in band and out of band access for managing the switch and the attached stack Note that a switch stack or a switch in a standalone configuration must have Network Management Module installed to enable all ports The base unit alone has all ports disabled by default SMC TigerSwitch 100 6924VF EGOA GAGI g In B m Link0 0000000 Fe J JE Mo rot IAG OCO E nt TR TOR IR AR TR m mE N N RR ih ard Mode Select
18. and 10 Mbps Ethernet operation with auto negotiation of speed duplex mode and flow control 1000BASE T Pin Assignments 1000BASE T ports switch support automatic MDI MDI X operation so you can use straight through cables for all network connections to PCs or servers or to other switches or hubs In straight through cable pins 1 8 at one end of the cable are connected straight through to pins 1 8 at the other end of the cable Use 100 ohm Category 5 or 5e unshielded twisted pair UTP or shielded twisted pair STP cable for 1000BASE T connections Also be sure that the length of any twisted pair connection does not exceed 100 meters 328 feet B 3 CABLES The table below shows the 1000BASE T MDI and MDI X port pinouts These ports require that all four pairs of wires be connected Note that for 1000BASE T operation all four pairs of wires are used for both transmit and receive Pin MDI Signal Name MDI X Signal Name 1 Transmit Data plus TD1 Transmit Data plus TD2 2 Receive Data minus RD1 Receive Data minus RD2 3 Transmit Data plus TD2 Transmit Data plus TD1 4 Transmit Data plus TD3 Transmit Data plus TD4 5 Receive Data minus RD3 Receive Data minus RD4 6 Receive Data minus RD2 Receive Data minus RD1 7 Transmit Data plus TD4 Transmit Data plus TD3 8 Receive Data minus RD4 Receive Data minus RD3 1000BASE T Cable Requirem
19. in the near future You can easily build on this basic configuration adding direct full duplex connections to workstations or servers When the time comes for further expansion just cascade the TigerSwitch to a Fast Ethernet hub or switch add another TigerSwitch to the stack or link to another workgroup using a Gigabit connection In the figure below the TigerSwitch 100 is operating as a collapsed backbone for a small LAN It is providing dedicated 200 Mbps full duplex connections to workstations and servers Bessey EEE Servers Workstations 200 Mbps 200 Mbps Full Duplex Full Duplex Figure 2 1 Collapsed Backbone NETWORK PLANNING Central Wiring Closet With up to 104 ports in a stack G e 104 distinct segments the TigerSwitch 100 can collapse a complex network down into a single efficient bridged node increasing overall bandwidth and throughput In the figure below the VF 45 ports on the TigerSwitch stack are providing 100 Mbps connectivity for up to 96 end nodes In addition the switch is also connecting servers at 2 Gbps TigerSwitch 100 Stack S lage eae Se N Sua ua EEE BEHEE Suu uu lt GEEAE SEE B RRE tt SO BARRAR es panner HERR SS a ge Saa BE N Bamsan meme Ry
20. or Shelf Mounting Al Attach the four adhesive feet to the bottom of the first switch Figure 3 3 Attaching the Adhesive Feet 2 Set the device on a flat surface near an AC power source making sure there are at least two inches of space on all sides for proper air flow If installing a single switch only go to Connecting to a Power Source at the end of this chapter If installing multiple switches attach four adhesive feet to each one Place each device squarely on top of the one below in any order If also installing RPUs place them close to the stack INSTALLING THE SWITCH Installing an Optional Module into the Switch 3 6 Optional modules are available for media expansion stacking and management These modules can be installed into the modular slots on the rear panel of the switch The Network Management Module must be installed in the upper slot and the Stack Module in the lower left slot The media expansion modules can be installed in either of the two lower slots Caution DO NOT install slide in modules with the switch powered on Be sure you power off the switch before installing any module To install an optional module into the switch do the following 1 Disconnect power to the switch 2 Remove the blank metal plate or a previously installed module from the appropriate slot by removing the two screws with a flat head screwdriver A media module can be installed in either of the two low
21. 0 to 240 VAC 50 to 60 Hz is within 8 feet of each device and is powered from an independent circuit breaker As with any equipment using a filter or surge suppressor is recommended 3 1 INSTALLING THE SWITCH Equipment Checklist After unpacking the TigerSwitch 100 check the contents to be sure you have received all the components Then before beginning the installation be sure you have all other necessary installation equipment Package Contents TigerSwitch 100 unit SMC6924VF Four adhesive foot pads Bracket Mounting Kit containing two brackets and four screws for attaching the brackets to the switch Power Cord either US Continental Europe or UK RS 232 console cable This Installation Guide SMC Warranty Registration Card be sure to complete and return to SMC Optional Rack Mounting Equipment If you plan to rack mount the switch be sure to have the following equipment available 3 2 Four mounting screws for each device you plan to install in a rack these are not included A screwdriver Phillips or flathead depending on the type of screws used INSTALLING THE SWITCH Mounting A TigerSwitch 100 unit can be mounted in a standard 19 inch equipment rack or on a desktop or shelf Mounting instructions for each type of site follow Installing Optional Modules Before mounting the switch be sure you install any optional modules If you have purchased an optional slide in 1
22. 00BASE FX or 1000BASE X media expansion module or Stack Module install these modules now following the instructions included with the package Rack Mounting Before rack mounting the switch pay particular attention to the following factors Temperature Since the temperature within a rack assembly may be higher than the ambient room temperature check that the rack environment temperature is within the specified operating temperature range See page C 2 Mechanical Loading Do not place any equipment on top of a rack mounted unit Circuit Overloading Be sure that the supply circuit to the rack assembly is not overloaded Grounding Rack mounted equipment should be properly grounded Particular attention should be given to supply connections other than direct connections to the mains 3 3 INSTALLING THE SWITCH To rack mount devices 1 Attach the brackets to the device using the screws provided in the Bracket Mounting Kit Figure 3 1 Attaching the Brackets 2 Mount the device in the rack using four rack mounting screws not provided Figure 3 2 Installing the Switch in a Rack INSTALLING THE SWITCH If installing a single switch only turn to Connecting to a Power Source at the end of this chapter If installing multiple switches mount them in the rack one below the other in any order If also installing RPUs mount them in the rack below the other devices Desktop
23. 1000BASE Gigabit Ethernet LAN Segment Separate LAN or collision domain LED Light emitting diode used for monitoring a device or network condition Link Segment Length of twisted pair or fiber cable joining a pair of repeaters or a repeater and a PC Local Area Network LAN A group of interconnected computer and support devices Glossary 4 GLOSSARY Media Access Control MAC A portion of the networking protocol that governs access to the transmission medium facilitating the exchange of data between network nodes MIB An acronym for Management Information Base It is a set of database objects that contains information about the device MII Media Independent Interface the standard interface for Fast Ethernet similar to the AUI interface for traditional Ethernet Network Diameter Wire distance between two end stations in the same collision domain RJ 45 Connector A connector for twisted pair wiring Redundant Power Supply RPS A backup power supply that automatically takes over in case the primary power supply should fail Spanning Tree Protocol STP A technology that checks your network for any loops A loop can often occur in complicated or backup linked network systems Spanning Tree detects and directs data along the shortest available path maximizing the performance and efficiency of the network Switched Ports Ports that are on separate collision domains or LAN segments Gloss
24. 5 or 62 5 125 micron multimode fiber cable SPECIFICATIONS Communication Mode Full and half duplex auto negotiation Communication Rate 1000 Mbps Standards IEEE 802 3z Gigabit Ethernet 1000BASE LX Extender Module Model SMC6900GLSC Ports 1 1000BASE LX Network Interface SC connector 9 125 micron single mode fiber cable Communication Mode Full and half duplex auto negotiation Communication Rate 1000 Mbps Standards IEEE 802 3z Gigabit Ethernet 1000BASE T Extender Module Model SMC6900GT Ports 1 1000BASE T Network Interface RJ 45 connector 100 ohm Category 5 or 5e UTP or STP cable using all four wire pairs C 7 SPECIFICATIONS Communication Mode Full and half duplex auto negotiation Communication Rate 1000 100 and 10 Mbps Standards IEEE 802 3ab Gigabit Ethernet Agent Module Model SMC6924VFNMM Ports 1 RS 232 serial port Connector Interface Standard straight through wired RS 232 cable Standards IEEE 802 3u Fast Ethernet ISO IEC 8802 3 Stack Module C 8 Model SMC6900S Ports 4 8 Gbps uplink downlink ports Connector Interface 68 pin SCSI connector copper cable Standards IEEE 802 3z Gigabit Ethernet ORDERING INFORMATION APPENDIX D TigerSwitch 100 Products and Accessories Product Number Description SMC6924VF 24 port Fast Ethernet switch with two media expansion slots SMC6924VFNMM Network Management Module with one
25. 60 Fax 34 93 477 3774 Fax 44 0 1189 748701 Fax 33 1 41 18 68 69 Fax 49 0 89 92861 230 Fax 46 8 87 62 62 Fax 971 48817993 Fax 27 0 11 3936491 Fax 86 10 6235 4962 Fax 886 2 2747 9220 Fax 65 238 6466 Fax 82 2 553 7202 Fax 81 45 224 2331 Fax 61 2 9416 0474 Fax 91 22 8204443 Model Numbers SMC6924VF Publication Number F2 47 150727 102 E062001 RO1
26. BASE T connection requires a shielded or unshielded twisted pair STP or UTP cable with RJ 45 connectors at both ends For all connections Category 5 or 5e recommended cable is required with all four wire pairs connected You should also test the cable installation for IEEE 802 3ab compliance See 1000BASE T Cable Requirements on page B 4 Cabling Guidelines The RJ 45 port on the SMC6900GT module supports 1000 100 and 10 Mbps Ethernet operation with auto negotiation of speed duplex mode and flow control Because 1000BASE T ports support automatic MDI MDI X operation you can use straight through cables for all network connections to PCs or servers or to other switches or hubs Caution Do not plug a phone jack connector into an RJ 45 port This will damage the switch Use only twisted pair cables with RJ 45 connectors that conform to FCC standards Connecting to PCs Servers Hubs and Switches 1 Attach one end of a twisted pair cable segment to the device s RJ 45 connector 4 5 MAKING NETWORK CONNECTIONS S Figure 4 2 Making Twisted Pair Connections 2 If the device is a network card and the TigerSwitch is in the wiring closet attach the other end of the cable segment to a modular wall outlet that is connected to the wiring closet see Wiring Closet Connections on the next page Otherwise attach the other end to the port on the 1000BASE T module Make sure the twisted pair cable does not ex
27. C6900GT oe 1009 x TX RX Figure 1 10 Single Port 1000BASE T Gigabit Module SMC6900GT contains one 1000BASE T RJ 45 port that can support a link of up to 100 m 328 ft using Category 5 or 5e twisted pair cable The 1000BASE T Gigabit module operates at 1 Gbps 100 Mbps and 10 Mbps with support for auto negotiation of speed duplex mode and flow control Optional Stack Module SMC6900S Stack Module O UP DOWN OSSD SMC6900S 7 Figure 1 11 Stack Module The uplink and downlink stack ports operate at 4 8 Gbps These modules can be used to connect up to four switches to the backplane A stack cable is included with each module Optional Redundant Power Unit SMCRPU150W SMC provides an optional Redundant Power Unit RPU SMCRPU150W that can supply power to the switch in the event of failure of the internal power supply 1 9 ABOUT THE TicERSwitcH 100 Power Supply Receptacles 1 10 There are two power receptacles on the rear panel of the switch The standard power receptacle is for the AC power cord The receptacle labeled DC Input is for the optional Redundant Power Unit RPU 100 240V 50 60Hz 2A E x 4 DC INPUT V A 3 3 5 3 12 0 7 DC INPUT Figure 1 12 Power Supply Receptacles ABOUT THE TIGERSWITCH 100 Features and Benefits Connectivity 24 multimode fiber VF 45 ports that offer a cost effective
28. FORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF SMC OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES OR THE LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE NOTHING IN THIS WARRANTY SHALL BE TAKEN TO AFFECT YOUR STATUTORY RIGHTS SMC will provide warranty service for one year following discontinuance from the active SMC price list Under the limited lifetime warranty internal and external power supplies fans and cables are covered by a standard one year warranty from date of purchase SMC Networks Inc 6 Hughes Irvine CA 92618 COMPLIANCES FCC Class A This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart B of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be
29. MC Technical Support for assistance Installation Verify that all system components have been properly installed If one or more components appear to be malfunctioning such as the power cord or network cabling test them in an alternate environment where you are sure that all the other components are functioning properly In Band Access You can access the management agent in the switch from anywhere within the attached network using Telnet a Web browser or other network management software such as EliteView However you must first configure the switch with a valid IP address subnet mask and default gateway If you have trouble establishing a link to the management agent check to see if you have a valid network connection Then verify that you entered the correct IP address Also be sure the port through which you are connecting to the switch has not been disabled If it has not been disabled then check the network cabling that runs between your remote location and the switch TROUBLESHOOTING Note You can configure the management agent to accept from one to four simultaneous Telnet sessions If the maximum number of sessions already exists an additional Telnet connection will not be able to log into the system A 3 TROUBLESHOOTING APPENDIX B CABLES Specifications Cable Types and Specifications Cable Type Max Length Connector 100BASE FX 50 125 or 62 5 125 micron core multimode fiber MMF
30. MC6924VFNMM RS 232 ro A Figure 1 5 Network Management Module This switch includes a Network Management Module on the rear panel This module can manage the switch and the attached stack It offers a variety of management options including SNMP RMON and a Web based interface This module also includes an RS 232 port for out of band management This is an RS 232 serial port with a DB 9 connector A PC may be connected to this port for configuration and monitoring purposes out of band via a full handshaking null modem cable You can also make a remote connection to this port via modems This allows you to access the out of band interface See Apendix B for a description of wiring options The Network Management Module provides a wide range of advanced performance enhancing features Multicast filtering provides support for real time network applications Port based and tagged VLANs provide traffic security and efficient use of network bandwidth QoS priority queueing ensures the minimum delay for moving real time multimedia data across the network Flow control eliminates the loss of packets due to bottlenecks 1 5 ABOUT THE TIGERSWITCH 100 caused by port saturation And broadcast storm control prevents broadcast traffic storms from engulfing the network Some of this switch s advanced features are described below For a detailed description refer to the Management Guide Spanning Tree Protocol The TigerSwitch 100 supports
31. RS 232 serial port SMC6900S Stacking Module with 4 8 Gbps uplink downlink ports SMC6900FSC Extender Module with two 100BASE FX multimode fiber ports SC type Connector SMC6900FST SMC6900FSC SC ST Converter SMC6900FSSC Extender Module with one 100BASE FX single mode fiber port SC type connector SMC6900G Extender Module with one 1000BASE SX port SC type connector SMC6900GLSC Extender Module with one 1000BASE LX port SC type connector SMC6900GT Extender Module with one 1000BASE T port RJ 45 connector 99 012034 091 SC to ST plug converter for fiber optic module SMCRPU150W Redundant Power Unit with cables supports one device Also available in models for Continental Europe and the UK ORDERING INFORMATION D 2 GLOSSARY 10BASE T IEEE 802 3 specification for 10 Mbps Ethernet over two pairs of Category 3 4 or 5 UTP cable 100BASE FX IEEE 802 3u specification for 100 Mbps Fast Ethernet over two strands of 50 125 or 62 5 125 micron core fiber cable 100BASE TX IEEE 802 3u specification for 100 Mbps Fast Ethernet over two pairs of Category 5 UTP cable 1000BASE LX IEEE 802 3z specification for Gigabit Ethernet over two strands of 9 125 micron core fiber cable 1000BASE SX IEEE 802 3z specification for Gigabit Ethernet over two strands of 50 125 or 62 5 125 micron core fiber cable 1000BASE T IEEE 802 3ab specification for Gigabit Ethernet over four pairs of Category 5
32. RY Fast Ethernet A 100 Mbps network communication system based on Ethernet and the CSMA CD access method Fast Ethernet Switch Device that provides a full 100 Mbps bandwidth or either 10 or 100 Mbps bandwidth with Auto Negotiation to each port LAN segment Full Duplex Transmission method that allows switch and network card to transmit and receive concurrently effectively doubling the bandwidth of that link Gigabit Ethernet A 1000 Mbps network communication system based on Ethernet and the CSMA CD access method IEEE 802 1D Specifies a general method for the operation of MAC bridges including the Spanning Tree Protocol IEEE 802 1Q VLAN Tagging Defines Ethernet frame tags which carry VLAN information It allows switches to assign endstations to different virtual LANs and defines a standard way for VLANs to communicate across switched networks IEEE 802 3 Defines carrier sense multiple access with collision detection CSMA CD access method and physical layer specifications Glossary 3 GLOSSARY IEEE 802 3ab Defines CSMA CD access method and physical layer specifications for 1000BASE T Gigabit Ethernet IEEE 802 3u Defines CSMA CD access method and physical layer specifications for Fast Ethernet IEEE 802 3x Defines Ethernet frame start stop requests and timers used for flow control on full duplex links IEEE 802 3z Defines CSMA CD access method and physical layer specifications for
33. SE SX fiber is the same for both half and full duplex NETWORK PLANNING 100 Mbps Fast Ethernet Collision Domain Maximum 100BASE FX Fiber Optic Cable Distance 100BASE FX 50 125 or 62 5 125 micron core multimode fiber MMF Full duplex 2 km 1 24 miles SC or ST 100BASE FX 9 125 9 micron core single mode fiber SMF Full duplex 10 km 6 21 miles SC or ST SMC 3 2 Rule for Class II Repeaters Between any two PCs or other stations in the same 100BASE TX collision domain there may be e up to 3 link segments and e up to 2 Class II repeaters hubs SMC 2 1 Rule for Class I Repeaters Between any two PCs or other stations in the same 100BASE TX collision domain there may be e up to 2 link segments and e upto 1 Class I repeater hub Maximum Network Diameter Using Repeaters Repeater Type Twisted Pair and Number 100BASE TX 1 Class I 200 m 656 ft 1 Class I 200 m 656 ft 2 Class II 205 m 672 4 ft NETWORK PLANNING Maximum Fast Ethernet Cable Distance Cable Type Connecting Max Distance Twisted Pair Any two devices 100 m 328 ft Fiber Switch to switch server or PC Half duplex Full duplex 412 m 1 351 4 ft 2 km 1 24 mi NETWORK PLANNING Application Notes 1 Full duplex operation only applies to point to point access such as when a switch is attached to a worksta
34. TigerSwitch 100 Stackable Fast Ethernet Switch 24 100BASE FX VF 45 ports Optional 100BASE FX or 1000BASE X modules Optional stack module for linking up to four units 8 8 Gbps of aggregate switch bandwidth Support for redundant power unit Up to five port trunks per switch Port mirroring for non intrusive analysis QoS support for two level priority Full support for IEEE 802 1Q VLANs IP Multicasting with IGMP Snooping Manageable via console Web SNMP RMON 6000404040 SMC Installation Guide SMC6924VF Networks TigerSwitch 100 Installation Guide From SMC s Tiger line of feature rich workgroup LAN solutions SMC Networks 6 Hughes June 2001 Irvine CA 92618 Phone 949 707 2400 Pub F2 47 150727 102 RO1 Information furnished by SMC Networks Inc SMC is believed to be accurate and reliable However no responsibility is assumed by SMC for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of SMC SMC reserves the right to change specifications at any time without notice Copyright 2001 by SMC Networks Inc 6 Hughes Irvine CA 92618 All rights reserved Printed in Taiwan Trademarks SMC is a registered trademark and EZ Switch TigerStack and TigerSwitch are trademarks of SMC Networks Inc Other product and company names are trademarks or registered t
35. UTP cable Auto Negotiation Signalling method allowing each node to select its optimum operational mode e g 100 Mbps and half or full duplex based on the capabilities of the node to which it is connected Glossary 1 GLOSSARY Bandwidth The difference between the highest and lowest frequencies available for network signals Also synonymous with wire speed the actual speed of the data transmission along the cable Class I Repeater Fast Ethernet repeater that is principally used to connect different physical signaling systems e g 100BASE TX 100BASE FX and that has an internal delay such that only one repeater of this type can reside within a single collision domain when maximum cable lengths are used Class II Repeater Fast Ethernet repeater that typically supports a single physical signaling system e g 100BASE TX or 100BASE FX and that has a smaller internal delay so that two such repeaters can reside within a single collision domain when maximum cable lengths are used Collision A condition in which packets transmitted over the cable interfere with each other Their interference makes both signals unintelligible Collision Domain Single CSMA CD LAN segment CSMA CD Carrier Sense Multiple Access Collision Detect is the communication method employed by Ethernet and Fast Ethernet End Station A workstation server or other device that does not act as a network interconnection Glossary 2 GLOSSA
36. ary 5 GLOSSARY Transmission Control Protocol Internet Protocol TCP IP Protocol suite that includes TCP as the primary transport protocol and IP as the network layer protocol UTP Unshielded twisted pair cable Virtual LAN VLAN A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network A VLAN serves as a logical workgroup with no physical barriers and allows users to share information and resources as though located on the same LAN Glossary 6 Numerics 100 Mbps connectivity rules 2 7 1000 Mbps connectivity rules 2 6 1000BASE LX fiber cable lengths 2 6 module 1 8 1000BASE SX connections 4 3 fiber cable lengths 2 6 2 7 module 1 8 1000BASE T cable lengths 2 6 connections 4 5 module 1 9 100BASE cable lengths 2 8 100BASE FX connections 4 2 fiber 2 6 modules 1 7 1 8 100BASE FX ports 1 3 A accessories ordering D 1 address table size C 1 adhesive feet attaching 3 5 agent module 1 5 air flow requirements 3 1 applications 2 2 central wiring closet 2 3 collapsed backbone 2 2 remote connections with fiber 2 4 VLAN connections 2 5 B brackets attaching 3 4 broadcast storm control 1 6 INDEX buffer size C 1 buffers saturation of 1 3 C cable lengths 2 6 2 7 2 8 specifications B 1 CE Mark i cleaning fiber terminators 4 2 4 3 compliances i EMC C 5 safety C 5 connectivity rules 100 Mbps
37. ayer 3 switch Multicast Switching Specific multicast traffic can be assigned to its own VLAN to ensure that it does not interfere with normal network traffic and to guarantee real time delivery by setting the required priority level for the designated VLAN The switch uses IGMP Snooping and IGMP to manage multicast group registration Traffic Priority This switch provides Quality of Service QoS by prioritizing each packet based on the required level of service using two distinct categories with Weighted Fair Queuing It uses IEEE 802 1p and 802 1Q tags to prioritize incoming traffic based on input from the end station application These functions can be used to provide independent priorities for delay sensitive data and best effort data Optional Media Extender Modules Optional 100BASE FX Module SMC6900FSC 100Base FX SC Extender Module TX RX TX RX AY SMC6900FSC jo lol Hoi No W ir al Figure 1 6 2 Port 100BASE FX Multimode Fiber Module Using multimode fiber optic cable the 100BASE FX port can be connected to a remote site up to 2 km 1 24 mi away This port operates only at 100 Mbps full duplex This module is fitted with an SC connector but you can attach an ST plug to the switch using the optional SC ST Converter Part Number 99 012034 091 1 7 ABOUT THE TIGERSwWITCH 100 1 8 Optional 100BASE FX Module SMC6900FSSC 100Base FX Singlemode SC Module
38. ceed 100 meters 328 ft in length Note When connected to a shared collision domain such as a hub with multiple workstations switch ports must be set to half duplex mode and back pressure flow control disabled As the connection is made the green Activity LED on the TigerSwitch corresponding to the module port will start to flash indicating that the connection is valid and traffic is passing through the port MAKING NETWORK CONNECTIONS Wiring Closet Connections Today the punch down block is an integral part of many of the newer equipment racks It is actually part of the patch panel Instructions for making connections in the wiring closet with this type of equipment follows 1 Attach one end of a patch cable to the port on the 1000BASE T module and the other end to the patch panel 2 If not already in place attach one end of a cable segment to the back of the patch panel where the punch down block is located and the other end to a modular wall outlet 3 Label the cables to simplify future troubleshooting SMC TigerSwitch 100 Equipment Rack side view Punch Down Block Figure 4 3 Wiring Closet Connections 4 7 MAKING NETWORK CONNECTIONS 4 8 APPENDIX A TROUBLESHOOTING Diagnosing Switch Indicators Troubleshooting Chart Symptom Action Power LED is Off Internal or redu
39. clean tissue or cotton ball moistened with a little ethanol Dirty fiber terminators on fiber optic cables will impair the quality of the light transmitted through the cable and lead to degraded performance on the port 4 3 MAKING NETWORK CONNECTIONS 4 4 3 Connect one end of the cable to the SC port on the switch and the other end to the SC port on the other device Since SC connectors are keyed the cable can be attached in only one orientation SC fiber connector Figure 4 1 Making SC Port Connections 4 As a connection is made check the Activity LED on the switch s front panel for the corresponding module to be sure that the connection is valid Note If you use the optional SC ST Converter be sure to connect the converter s Tx Rx port to the Rx Tx port on the other device The 100BASE FX fiber optic ports operate only at 100 Mbps full duplex You can run a single mode fiber link up to 6 21 miles 10 kilometers However note that power budget constraints must also be considered when calculating the maximum cable length for your specific environment The 1000BASE SX fiber optic ports operate at 1 Gbps full duplex with auto negotiation of flow control The maximum length for fiber optic cable operating at Gigabit speed will depend on the fiber type as listed under 1000 Mbps Gigabit Ethernet Collision Domain on page 2 6 MAKING NETWORK CONNECTIONS 1000BASE T Twisted Pair Connections A 1000
40. de flow control full duplex activity Link speed link disable partition C 1 SPECIFICATIONS C 2 Weight 10 63 Ibs 4 82 kg Size 17 37 x 11 22 x 2 53 in 44 0 x 28 5 x 6 4 cm Temperature Operating 32 to 122 F 0 to 50 C Storage 40 to 158 F 40 to 70 C Humidity Operating 5 to 95 AC Input 100 to 240 V 50 to 60 Hz Power Supply Internal auto ranging transformer 100 to 240 VAC 50 to 60 Hz Redundant DC input Power Consumption 70 Watts maximum Heat Dissipation 273 BTU hr maximum Maximum Current 0 80A 110VAC 0 50A 240VAC SPECIFICATIONS Switch Features Spanning Tree Protocol Forwarding Mode Store and forward Throughput Wire speed Flow Control Full Duplex IEEE 802 3x Half Duplex Back pressure Broadcast Storm Control Configurable threshold on a per port basis VLAN Support Up to 256 groups port based or with 802 1Q VLAN tagging Multicast Switching IGMP Snooping Quality of Service Supports two levels of priority and Weighted Fair Queueing C 3 SPECIFICATIONS Management Features C 4 In Band Management Telnet Web based HTTP or SNMP manager EliteView Network Management software provided for free Out of Band Management RS 232 DB 9 console port Software Loading TFTP or Web HTTP in band or XModem out of band MIB Support MIB II RFC 1213 Bridge MIB RFC 1493 Ethernet Like MIB RFC 1643 RMON MIB RFC 1757 SMC s private MIB RMON Sup
41. el for easy viewing are shown below and described in the following table ON Link _ Flashing Disable Partition TigerSwitch 100 Green 100Mbps OFF NoLink Module2 Module1 592 1 23 4 5 6 7 8 9101112 ModeO 00000000000 Status O O Switch ID LinkOO0000000000 Activity O O Fc Power MdoO0O0000000000 _ FO FDX O RPU Lnik0O00000000000 O Act O Mgmt 13 14 15 16 17 18 19 20 21 22 23 24 Mode Select Figure 1 4 Port and System LEDs Port and System Status LEDs LED Condition Status Power On Switch is receiving power RPU On Redundant power is on and the RPU is in backup or active mode Off Redundant power is off or has failed Mgmt On Agent is operational VF 45 Ports Link On Port has established a valid network connection Green Valid 100 Mbps connection Flashing Port has been partitioned due to an abnormal network condition or manually disabled Act Flashing Traffic is passing through the port FDX On Port is operating at full duplex Off Port is operating at half duplex FC On Flow control enabled Use the Mode Select button to select the LED display mode 1 4 ABOUT THE TiGERSwitcH 100 Port and System Status LEDs LED Condition Status Module Ports Status On A module is installed in this slot Activity On Traffic is passing through the module Network Management Module Network Management Module S
42. ents All Category 5 UTP cables that are used for 100BASE TX connections should also work for 1000BASE T providing that all four wire pairs are connected However it is recommended that for all critical connections or any new cable installations Category 5e enhanced Category 5 cable should be used The Category 5e specification includes test parameters that are only recommendations for Category 5 Therefore the first step in preparing existing Category 5 cabling for running 1000BASE T is a simple test of the cable installation to be sure that it complies with the IEEE 802 3ab standards Cable Testing for Existing Category 5 Cable B 4 Installed Category 5 cabling must pass tests for Attenuation Near End Crosstalk NEXT and Far End Crosstalk FEXT This CABLES cable testing information is specified in the ANSI TIA EIA TSB 67 standard Additionally cables must also pass test parameters for Return Loss and Equal Level Far End Crosstalk ELFEXT These tests are specified in the ANSI TIA EIA TSB 95 Bulletin The Additional Transmission Performance Guidelines for 100 Ohm 4 Pair Category 5 Cabling Note that when testing your cable installation be sure to include all patch cables between switches and end devices Adjusting Existing Category 5 Cabling If your existing Category 5 installation does not meet one of the test parameters for 1000BASE T there are basically three measures that can be applied to try to correct the
43. er slots on the rear panel of the switch A Network Management Module can be installed in the upper slot on the rear of the switch 3 Before opening the package that contains the module touch the bag to the switch casing to discharge any potential static electricity Also use the ESD wrist strap included with the package 4 Remove the module from the anti static shielded bag 5 Holding the module level guide it into the carrier rails on each side and gently push it all the way into the slot ensuring that it firmly engages with the connector INSTALLING THE SWITCH Figure 3 4 Installing a Module 6 If you are sure the module is properly mated with the connector tighten the retainer screws by hand to secure the module in the slot 7 Connect power to the switch Stacking A stack may have as many as four switches Note A stacking cable is included with the Stack Module Caution DO NOT stack TigerSwitch 100 units with other devices Doing so may damage the switch To stack the devices 1 Locate the stack connectors labeled UP and DOWN on the stack modules see Figure 3 4 2 Attach one end of the stacking cable to the stack connector labeled DOWN on the top device and the other end to the connector labeled UP on the next lower device 2 7 INSTALLING THE SWITCH 3 Repeat this step until all the devices have been connected 4 Turn to the next section Connecting to a Power Source
44. fiber link up to 2 km 1 24 mi in full duplex mode and 412 m 1351 ft in half duplex mode However note that power budget and timing constraints must also be considered when calculating the maximum cable length for your specific environment MAKING NETWORK CONNECTIONS SC Fiber Connections An optional slide in 100BASE FX module may be used for backbone and long distance connections A 1000BASE X module may also be used for a backbone connection between switches or for connecting to a high speed server Each multimode fiber optic port requires 50 125 or 62 5 125 micron multimode fiber optic cabling with an SC connector at both ends If you need to connect to a device with 62 5 125 micron cable that has ST type connectors SMC provides an optional SC ST Converter Part Number 99 012034 091 Each single mode fiber port requires 9 125 micron single mode fiber optic cable with an SC connector at both ends Warning This switch uses lasers to transmit signals over fiber optic cable The lasers are compliant with the requirements of a Class 1 Laser Product and are inherently eye safe in normal operation However you should never look directly at a transmit port when it is powered on 1 Remove and keep the SC port s rubber cover When not connected to a fiber cable the rubber cover should be replaced to protect the optics 2 Check that the fiber terminators are clean You can clean the cable plugs by wiping them gently with a
45. formance rn Lass een 1 12 Management rar Baer ete ae 1 12 Network Planning 2 1 Introduction to Switching 2 1 Sample Applications 2 2 Collapsed Backbone 2 2 Central Wiring Closet 2 3 Remote Connections with Fiber Cable 2 4 Making VLAN Connections 2 5 Connectivity Rules wud oui a e dake ran Ghee pe Ra 2 6 1000 Mbps Gigabit Ethernet Collision Domain 2 6 Application Notes gory ua we ie See eee PT 2 9 Installing the Switch 3 1 Selecting A Stes hee eee te Aa ESN NAN Bee 3 1 Equipment Checklist sanaa g e ear eee eae ae dant 3 2 Package Contents s u acc ar a ar an aaa du 3 2 Optional Rack Mounting Equipment 3 2 MOUS 2 A ee en en nee ma Oe 3 3 Rack Mounting 3 3 TABLE OF CONTENTS vi Desktop or Shelf Mounting 3 5 Installing an Optional Module into the Switch 3 6 Stacking En En a es hae nn Ba 3 7 Connecting to a Power Source 3 9 Making Network Connections 4 1 Connecting Network Devices 4 1 VF 45 Fiber Connections 4 2 SC Fiber Connections 4 3 1000BASE T Twisted Pair Connections 4 5 Cabling Guidelines
46. gure 2 3 Collapsed Backbone Using Fiber Cable 2 4 NETWORK PLANNING Making VLAN Connections VLANs can be based on port groups or each data frame can be explicitly tagged to identify the VLAN group it belongs to When using port based VLANs ports can either be assigned to any number of groups Port based VLANs are suitable for small networks A single switch can be easily configured to support several VLAN groups for various organizational entities such as Finance and Marketing When you expand port based VLANs across several switches you need to make a separate connection for each VLAN group This approach is however inconsistent with the Spanning Tree Protocol which can easily segregate ports that belong to the same VLAN When VLANs cross separate switches it is therefore better to use VLAN tagging This allows you to assign multiple VLAN groups to the trunk ports that is tagged ports connecting different switches Be GAARAA AARAA Ss SEBBHE BEEEEE ae Ports gt E JE lt Untagged Ports Tagged Port Le N VLAN VLAN gt aware ie 4 4 A Finance unaware gt memmm switch VLAN 2 ey switch To nm Testi N R amp D N Fr es Marketing x Finance BE N Dir On ee Testing ay JE JE VLAN 3 EE a we VLAN 4 4 DE VLAN E VLAN 2 Fa j Gans Bit Figure 2 4 Making VLAN Connections Note
47. ith up to 104 ports When stacked the 9 6 Gbps stack backplane provides enough bandwidth for the most demanding environment Moreover you can use a 100 Mbps single mode fiber module for connecting to a remote site or a Gigabit module for a high speed backbone connection ABOUT THE TIGERSWITCH 100 Management Options This switch contains a comprehensive array of LEDs for at a glance monitoring of network and port status It also includes a Network Management Module that allows the entire stack to be managed in band via SNMP or RMON Groups 1 2 3 and 9 protocols with a Web browser or remotely via Telnet The switch also provides a serial port on the rear panel for out of band management Note Only one Network Management Module must be installed in the stack for the current firmware release Description of Hardware 100BASE FX VF 45 Ports These ports are VF 45 multimode fiber ports that can be connected to workstations and servers with 62 5 125 micron or 50 125 micron multimode fiber cable Each of these ports support half and full duplex operation at 100 Mbps Note that 100BASE FX ports do not support auto negotiation of duplex mode so this has to be configured manually However the ports do support IEEE 802 3x auto negotiation of flow control so the switch can automatically prevent port buffers from becoming saturated 1 3 ABOUT THE TiGERSwitcH 100 Status LEDs The LEDs which are located on the front pan
48. ndant power supply has failed or is disconnected Check connections between the switch the power cord the wall outlet and the RPU if you are using one If the switch is installed in a rack check the connections to the punch down block and patch panel Contact SMC Technical Support Power LED is Flashing The switch is either downloading firmware or running the Power On Self Diagnostics Test POST If this LED does not stop flashing then POST has failed and you should contact SMC Technical Support Link LED is Off Verify that the switch and attached device are powered on Be sure the cable is plugged into both the switch and corresponding device Verify that the proper cable type is used and its length does not exceed specified limits Check the adapter on the attached device and cable connections for possible defects Replace the defective adapter or cable if necessary TROUBLESHOOTING Power and Cooling Problems If the power indicator does not turn on when the power cord is plugged in you may have a problem with the power outlet power cord or internal power supply However if the unit powers off after running for a while check for loose power connections power losses or surges at the power outlet and verify that the fans on the unit are unobstructed and running prior to shutdown If you still cannot isolate the problem then the internal power supply may be defective In this case contact S
49. omnetz zu trennen Verwenden Sie keine Fl ssigoder Aerosolreiniger Am besten eignet sich ein angefeuchtetes Tuch zur Reinigung Die Netzanschlu steckdose soll nahe dem Ger t angebracht und leicht zug nglich sein Das Ger t ist vor Feuchtigkeit zu sch tzen Bei der Aufstellung des Ger tes ist auf sicheren Stand zu achten Ein Kippen oder Fallen k nnte Besch digungen hervorrufen Die Bel ftungs ffnungen dienen der Luftzirkulation die das Ger t vor berhitzung sch tzt Sorgen Sie daf r da diese ffnungen nicht abgedeckt werden Beachten Sie beim Anschlu an das Stromnetz die Anschlu werte Verlegen Sie die Netzanschlu leitung so da niemand dar ber fallen kann Es sollte auch nichts auf der Leitung abgestellt werden Alle Hinweise und Warnungen die sich am Ger t befinden sind zu beachten Wird das Ger t ber einen l ngeren Zeitraum nicht benutzt sollten Sie es vom Stromnetz trennen Somit wird im Falle einer berspannung eine Besch digung vermieden Durch die L ftungs ffnungen d rfen niemals Gegenst nde oder Fl ssigkeiten in das Ger t gelangen Dies k nnte einen Brand bzw elektrischen Schlag ausl sen ffnen sie niemals das Ger t Das Ger t darf aus Gr nden der elektrischen Sicherheit nur von authorisiertem Servicepersonal ge ffnet werden Wenn folgende Situationen auftreten ist das Ger t vom Stromnetz zu trennen und von einer qualifizierten Servicestelle zu berpr fen
50. ork Devices The TigerSwitch 100 is designed to interconnect multiple segments or collision domains It may be connected to 100 Mbps network cards in PCs and servers as well as to Fast Ethernet hubs switches or routers It may also be connected to remote devices using the optional 100BASE FX or 1000BASE X modules Note Before connecting cables you may want to first configure the Spanning Tree Protocol to avoid network loops Refer to the Management Guide for more information 4 1 MAKING NETWORK CONNECTIONS VF 45 Fiber Connections 4 2 Each device requires a 62 5 125 micron or 50 125 micron multimode fiber optic cable with VF 45 connectors at both ends 1 Remove and keep the VF 45 port s plastic cover When not connected to a fiber cable the cover should be replaced to protect the optics Check that the fiber terminators are clean You can clean the cable plugs using an appropriate VF 45 cleaning kit Dirty fiber terminators on fiber optic cables will impair the quality of the light transmitted through the cable and lead to degraded performance on the port Connect one end of the cable to the VF 45 port on the switch and the other end to the VF 45 port on the other device Since VF 45 connectors are keyed the cable can be attached in only one orientation As each connection is made check the Link LED on the switch s front panel for the corresponding port to be sure that the connection is valid You can run a
51. plane Performance Transparent bridging Aggregate bandwidth up to 8 8 Gbps Switching table with 8K MAC address entries Provides Store and Forward switching Filtering and forwarding at line speed Broadcast storm control Includes support for an optional Redundant Power Unit Desktop or rack mountable Limited lifetime warranty Management Up to 104 ports can be managed under one single IP address At a glance LEDs for easy troubleshooting Network Management Module e Supports Telnet SNMP RMON and Web based interface e One module manages the entire stack in band or out of band ABOUT THE TIGERSwWITCH 100 e Spanning Tree Protocol for redundant network connections e VLAN support for 256 groups port based or with IEEE 802 1Q VLAN tagging e Quality of Service QoS supports two levels of priority and Weighted Fair Queueing e Multicast Switching based on IGMP Internet Group Management Protocol Snooping and Multicast Filtering e Port trunking increases the bandwidth of a network connection and ensures fault recovery e Port security prevents intruders from gaining access to the network 1 13 ABOUT THE TIGERSwWITCH 100 CHAPTER 2 NETWORK PLANNING Introduction to Switching A network switch allows simultaneous transmission of multiple packets via non crossbar switching This means that it can partition a network more efficiently than bridges or routers The switch has therefore
52. port Groups 1 2 3 9 Statistics History Alarm Event Additional Features Port Trunks Port Security Port Mirroring SPECIFICATIONS Standards IEEE 802 3u Fast Ethernet IEEE 802 3z Gigabit Ethernet IEEE 802 1D Spanning Tree Protocol and traffic priorities IEEE 802 1Q VLAN Bridge Management IEEE 802 3x full duplex flow control ISO IEC 8802 3 SNMP RFC 1157 RMON RFC 1757 ARP RFC 826 IGMP RFC 1112 MIB II RFC 1213 Interfaces Evolution MIB RFC 1573 Ethernet Like MIB RFC 1643 Bridge MIB RFC 1493 Compliances CE Mark Emissions FCC Class A Industry Canada Class A EN55022 CISPR 22 Class A VCCI Class A C Tick AS NZS 3548 1995 Class A Immunity IEC 1000 4 2 3 4 6 Safety CSA NRTL CSA 22 2 950 amp UL 1950 EN60950 TUV GS Warranty Limited Lifetime C 5 SPECIFICATIONS Slide in Module 100BASE FX Extender Module Model SMC6900FSC SMC6900FST SMC6900FSSC Ports SMC6900FSC SMC6900FST 2 100BASE FX multimode SMC6900FSSC 1 100BASE FX single mode Network Interface SMC6900FSC SMC6900FST 50 125 or 62 5 125 micron multimode fiber cable SMC6900FST includes SC ST Converter SMC6900FSSC 9 125 micron single mode fiber cable Communication Mode Full duplex Communication Rate 100 Mbps Standards IEEE 802 3u Fast Ethernet ISO IEC 8802 3 1000BASE SX Extender Module C 6 Model SMC6900G Ports 1 1000BASE SX Network Interface SC connector 50 12
53. problem 1 Replace any Category 5 patch cables with high performance Category 5e cables 2 Reduce the number of connectors used in the link 3 Reconnect some of the connectors in the link B 5 CABLES Console Port Pin Assignments The DB 9 serial port on the switch s rear panel is used to connect to the switch for out of band console configuration The on board menu driven configuration program can be accessed from a terminal a PC running a terminal emulation program or from a remote location via a modem connection The pin assignments used to connect to the serial port are provided in the following tables Pin 1 Pin 9 Figure B 1 DB 9 Console Port Pin Numbers DB 9 Port Pin Assignments EIA CCITT Description Switch s PC DB9 Modem Signal Circuit Signal DB9 DTE DTE DB25 Direction Pin Pin DCE Pin DTE DCE CF 109 DCD Data Carrier Detected 1 1 8 BB 104 RxD Received Data 2 2 3 Sen BA 103 TxD Transmitted Data 3 3 2 s gt CD 108 2 DTR Data Terminal Ready 4 4 20 Je gt AB 102 SG Signal Ground 5 5 ee CC 107 DSR Data Set Ready 6 6 6 Pe CA 105 RTS Request to Send 7 7 4 I gt CB 106 CTS Clear to Send 8 8 5 Pas CE 125 RI Ring Indicator 9 9 22 Le B 6 Console Port to 9 Pin COM Port on PC Switch s 9 Pin CCITT Signal PC s 9 Pin Serial Port COM Port TDC DCD t 1 2 RXD Ge TXD
54. rademarks of their respective holders LIMITED WARRANTY Limited Warranty Limited Warranty Statement SMC Networks Inc SMC warrants its products to be free from defects in workmanship and materials under normal use and service for the applicable warranty term All SMC products carry a standard 90 day limited warranty from the date of purchase from SMC or its Authorized Reseller SMC may at its own discretion repair or replace any product not operating as warranted with a similar or functionally equivalent product during the applicable warranty term SMC will endeavor to repair or replace any product returned under warranty within 30 days of receipt of the product The standard limited warranty can be upgraded to a Limited Lifetime warranty by registering new products within 30 days of purchase from SMC or its Authorized Reseller Registration can be accomplished via the enclosed product registration card or online via the SMC web site Failure to register will not affect the standard limited warranty The Limited Lifetime warranty covers a product during the Life of that Product which is defined as the period of time during which the product is an Active SMC product A product is considered to be Active while it is listed on the current SMC price list As new technologies emerge older technologies become obsolete and SMC will at its discretion replace an older product in its product line with one that incorporates the
55. rectement le port TX Transmission a fibres optiques et les embouts de c bles fibres optiques tant qu ils sont sous tension Warnhinweis Faseroptikanschliisse Optische Sicherheit Niemals ein Ubertragungslaser betrachten w hrend dieses LASERGERAT eta en en DER KLASSEI eingeschaltet ist Niemals direkt auf den Faser TX Anschlu und auf die Faserkabelenden schauen w hrend diese eingeschaltet sind Underwriters Laboratories Compliance Statement Important Before making connections make sure you have the correct cord set Check it read the label on the cable against the following Operating Voltage Cord Set Specifications 120 Volts UL Listed CSA Certified Cord Set Minimum 18 AWG Type SVT or SJT three conductor cord Maximum length of 15 feet Parallel blade grounding type attachment plug rated 15A 125V 240 Volts Europe only Cord Set with HOSVV F cord having three conductors with minimum diameter of 0 75 mm2 IEC 320 receptacle Male plug rated 10A 250V The unit automatically matches the connected input voltage Therefore no additional adjustments are necessary when connecting it to any input voltage within the range marked on the rear panel iii COMPLIANCES Wichtige Sicherheitshinweise Germany 1 2 3 Bitte lesen Sie diese Hinweise sorgfaltig durch Heben Sie diese Anleitung fiir den sp teren Gebrauch auf Vor jedem Reinigen ist das Ger t vom Str
56. required to correct the interference You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment You may use 50 125 or 62 5 125 micron multimode fiber optic cable for VF 45 SC or ST type connections Warnings 1 Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling this equipment 2 When connecting this hub to a power outlet connect the field ground lead on the tri pole power plug to a valid earth ground line to prevent electrical hazards EC Conformance Declaration Class A SMC contact for these products in Europe is SMC Networks Europe Edificio Conata II Calle Fructu s Gelabert 6 8 22 4a 08970 Sant Joan Despi Barcelona Spain This information technology equipment complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC and carries the CE Mark accordingly It conforms to the following specifications EMC EN55024 1998 CISPR 22 1995 Class A IEC 61000 4 2 1995 4 KV CD 8 kV AD IEC 61000 4 3 1995 3 V m IEC 61000 4 4 1995 1 0 kV power line 0 5 kV signal line IEC 61000 4 5 1995 2 kV line to line 1 kV line to ground IEC 61000 4 6 1995 3 Vrms IEC 61000 4 11 1995 Voltage dip gt 95 10 ms 30 500 ms 60 100 ms Voltage interruption gt 95 5000 ms COMPLIANCES ii
57. rom their facility to SMC SMC is responsible for return shipping charges from SMC to customer WARRANTIES EXCLUSIVE IF AN SMC PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT OF THE PRODUCT IN QUESTION AT SMC S OPTION THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU LIMITED WARRANTY OF ALL OTHER WARRANTIES OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SMC NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS SMC SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER S OR ANY THIRD PERSON S MISUSE NEGLECT IMPROPER INSTALLATION OR TESTING UNAUTHORIZED ATTEMPTS TO REPAIR OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING OR OTHER HAZARD LIMITATION OF LIABILITY IN NO EVENT WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE SHALL SMC BE LIABLE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE LOSS OF BUSINESS OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PER
58. se newer technologies At that point the obsolete product is discontinued and is no longer an Active SMC product A list of discontinued products with their respective dates of discontinuance can be found at http www smc com smc pages_html support html All products that are replaced become the property of SMC Replacement products may be either new or reconditioned Any replaced or repaired product carries either a 30 day limited warranty or the remainder of the initial warranty whichever is longer SMC is not responsible for any custom software or firmware configuration information or memory data of Customer contained in stored on or integrated with any products returned to SMC pursuant to any warranty Products returned to SMC should have any customer installed accessory or add on components such as expansion modules removed prior to returning the product for replacement SMC is not responsible for these items if they are returned with the product Customers must contact SMC for a Return Material Authorization number prior to returning any product to SMC Proof of purchase may be required Any product returned to SMC without a valid Return Material Authorization RMA number clearly marked on the outside of the package will be returned to customers at customer s expense For warranty claims within North America please call our toll free customer support number at 800 762 4968 Customers are responsible for all shipping charges f
59. tion server or another switch When the switch is connected to a hub both devices must operate in half duplex mode When a switch is connected to a hub or any kind of shared media remember to turn off back pressure to prevent the attached port from being frequently partitioned due to the jamming packets For network applications that require routing such as when interconnecting dissimilar network types or distinct VLANs you may have to attach the TigerSwitch 100 units directly to a router or Layer 3 switch such as the SMC6724L3 2 9 NETWORK PLANNING 2 10 CHAPTER 3 INSTALLING THE SWITCH Selecting a Site TigerSwitch 100 units can be mounted in a standard 19 inch equipment rack or on a flat surface Be sure to follow the guidelines below when choosing a location The site should e beat the center of all the devices you want to link and near a power outlet e be able to maintain its temperature within 0 to 50 C and its humidity within 5 to 95 non condensing e provide adequate space approximately two inches on all sides for proper air flow e be accessible for installing cabling and maintaining the devices e allow the status LEDs to be clearly visible Make sure twisted pair cable is always routed away from power lines fluorescent lighting fixtures and other sources of electrical interference such as radios transmitters etc Make sure that a separate grounded power outlet that provides 10

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