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Summary of Contents for Cisco CRM3

  • Page 1 SYsTEM...
  • Page 2 CRM3 Hardware Installation and Maintenance Corporate Headquarters Cabletron Systems Industrial Rochester 03867-5005 Hampshire 603 332-9400 Cabletron Systems Network House Business Park Newbury Road London Newbury RG13 Berkshire England Text Part Number 78-1189-01...
  • Page 3 THIS PURPOSE OR FROM DEALING INCLUDING THOSE OF MERCHANTABILITY PARTICULAR ARISING COURSE FITNESS USAGE OR TRADE PRACTICE DAMAGES SHALL CISCO BE LIABLE INCIDENTAL INCLUDING EVENT INDIRECT SPECIAL CONSEQUENTIAL WITHOUT OR DAMAGE DATA LOST PROFITS LOSS ARISING OF THE USE INABILITY TO USE...
  • Page 4: Table Of Contents

    CONTENTS TABLE About This Manual Publication Objectives Audience Document Organization Document Conventions Overview Product Chapter System Specifications for Installation Chapter Preparing Recommendations Safety with Safety Electricity Damage Preventing Electrostatic Discharge General Site Requirements Environment Site Preventive Site Configuration Checklist Installation Site and Equipment Tools...
  • Page 5 Pinouts RS-232 Port Signals Auxiliary Cable Pinouts Serial RS-232 Cable Assembly RS-449 Cable Assembly V.35 Cable Assembly X.21 Cable Assembly A-12 EIA-530 Cable Assembly A-13 Ethernet Cable Pinouts Cable Assembly A-13 Ethernet aseT Ethernet Cable Assembly CRM3 Hardware Maintenance Installation...
  • Page 6 Appendix Virtual Configuration Register Virtual Configuration Register Settings Configuration Register Settings From Flash Enabling Booting Index Table Contents...
  • Page 7 CRM3 Hardware Maintenance Installation...
  • Page 8 FIGURES CRM3 RouterFront View Figure Checklist Installation Figure CRM3 View RouterFront Figure Module Network Processor Slot Panel Filler Figure Network Module lOBaseT Ethernet Processor with Connectors 2-10 Figure Single-Port ith AUI Network Module and lOBaseT Dual-Port Ethernet Processor Connectors 2-10...
  • Page 9 Rear Views Figure A-2 RS-232 Figure A-3 Cable Assembly RS-449 Figure A-4 Cable Assembly V.35 Figure A-5 Cable Assembly Cable Assembly Figure A-fl EIA-530 Cable Assembly A-12 Figure A-i A-13 Figure A-B Ethernet Cable Assembly CRM3 viii Hardware Maintenance Installation...
  • Page 10 TABLES LIST Table Router Specifications and Token Ring Modules Table Unit Dual-S Numbering erial Modules Table Unit Numbering Dual-Serial IEEE RS-232C Table Standard Versus Distance Speed Dual Network Module Table Processor Indications Serial Command 4-12 Table Options Names RJ45 Pinouts Table Adapter Signal...
  • Page 11 CRM3 Hardware and Maintenance Installation...
  • Page 12: This Manual

    Manual Aboutlhis CRM3 discusses the objectives audience conventions of the This section organization and Maintenance Hardware Installation publication PuWication Objectives GRM3 Hardware and Maintenance installation Installation publication will step through hardware selected maintenance of the covers troubleshooting installation also procedures...
  • Page 13: Document Conventions

    Document Conventions cable cable Appendix Cabling Specifications provides illustrations pinouts signal for synchronous cables serial Ethernet cables descriptions CRM3 Virtual Appendix Register describes software Configuration configuration registers the factory-default the procedures those settings changing settings Document Conventions manual This uses the following...
  • Page 14: Dual Serial

    CHAPTER OveMew Product CRM3 modular two-slot router insertion into multiprotocol Figure designed MMAC Token This router has connection Cabletron that interfaces Ring backplane MMAC when two network procesor modulesindividual modules which installed in the for external network hardware connections router...
  • Page 16: System Specifications

    System Specifications Table the router lists specifications Router Table Specifications Design Description Specification Dimensions 39.37 11.5 29.2 10.16 without network modules lb chassis Weight processor 100W Power Requirement Current Requirement slot 40-MHz Processor Motorola wide 68EC030 32-bit MB max Main Memory standard MB max Shared...
  • Page 17 System Specifications CRM3 Hardware and Maintenance Installation...
  • Page 18: Safety Recommendations

    CHAPTER InstalOation Preparing you must This chapter describes the the router into tasks before Topics installing perform follow covered in this chapter recommendations Safety Safety with electricity electrostatic damage Preventing discharge General site requirements Checklist Installation Site Tools equipment required make connections Preparing...
  • Page 19: Safety With

    ESDprotection megaohms providing defective proper range wrist hazard equipment strap your wrist ground available the metal of the chassis strap yourself touching part CRM3 Hardware and Maintenance Installation...
  • Page 20: General Site Requirements

    General Site Requirements Genera Site Requrements must meet This section describes the requirements site safe installation operation your Ensure before that site installation system your your properly prepared beginning Environment Site location of individual chassis the layout rack room equipment or wiring your too close together...
  • Page 21 MMAC Router installed ASCII console terminal attached port distance limits verified Signal Software version verified sequence completed Startup steps Initial verified system operation name Router ____________________________ number Router serial _____________________ Installation Checklist Figure CRM3 Hardware Maintenance Installation...
  • Page 22: Make

    Site Sfte common Site record actions relevant historical to the provides system Keep where anyone near chassis tasks has access place to it Site entries might performs include following sMake 2-1 and of the Checklist Installation Installation insert into copy progres Figure Log Make...
  • Page 24: Unit Numbering

    Chapter replace processor Modules Network Removing Processor CRM3 two network you must network with fewer than modules configured place processor module flow slot slot filler processor panel...
  • Page 25 Table risk 2-3 however your stay within the standard-defined distance that CRM3 Hardware Maintenance Installation...
  • Page 26 9600 baud data bits checked generated parity bits stop the pinout console lists Figure port Connections Port Auxiliary CRM3 auxiliary console included units the router panel front port labeled from This data terminal cable which you RS-232 attach an equipment...
  • Page 27: Ethernet Connections

    Connectors 00000000000 0000000000 LEDs PORT-I green OLNK ____ IOBASE-T FORT-O ETHERNETAUI LEDs green Alignment lOBaseT Ethernet ports Alignment ports groove groove Dual-Port Network Figure Ethernet Processor Module with AUI and lOBaseT Connectors CRM3 Hardware 2-10 and Maintenance Installation...
  • Page 28 Network Connection Considerations Ethernet transceiver cable thumbscrew with connectors be connected to the directly port lOBaseT slide latch with cable provided replacing ajackscrew transition separate network connect Figure directly your module Ethernet OBaseT cable Network Processor Module lOBaseT Connection Dual-Port Ethernet Port Figure...
  • Page 29: Token Ring Connections

    Figure connect Ring 9-pin media shown 2-10 router attachment unit directly Figure 00000000000000000 0000000000000000 _JoJ TOKEN RING o0o0o0o0oo LEDs Token Ring port Alignment green Alignment groove groove Token Network Processor Module Figure Ring CRM3 Hardware 2-12 and Maintenance Installation...
  • Page 30 Network Connection Considerations Standard IEEE 802.5 Media attachment unit 9-pin Back Chassis Front top view Token Cable Connections 2-10 Figure Ring Seria Connections dual D-sub These serial ports are 50-pin serial connectors ports can configured used cable depending serial special 00000000000 00000000000 00000000000000000...
  • Page 31 2-13 using the position Figure shown 2-12 orientation Figure LEDs Module handle View Dual Network Processor 2-12 Serial ModuleTop Figure PortO Porti J-5NRZI Dual Network Processor Module 2-13 Serial Figure Jumpers Setting CRM3 Hardware and Maintenance 2-14 Installation...
  • Page 32: Serial Connections

    Network Connection Considerations You must CRM3 serial modem CSU/DSU cable connect serial special ports shown or other device 2-14 This cable from Figure available sales your representative ordered with system See Appendix normally cable thie there specifications cables different serial...
  • Page 33: Fddi Connections

    PHY-A module PHY-B other 2-16 connect Figure PHY-S module attachment port of the single connected concentrator through single connected attachment another device ring point-to-point directly CRM3 2-16 Hardware and Maintenance Installation...
  • Page 34: Optical Bypass Switch Uses

    When than container check you unpack each the packing list ensure shipping container that received of the following items CRM3 router network connection equipment for example cables Optional CRM3 Hardware and Maintenance Installation companion optional publication order publications...
  • Page 35: Inspecting The System

    System Inspecting CRM3 Hardware and Maintenance 2-18 Installation...
  • Page 36: Installing

    MMAC Note not necessaly turn or during installation power prior CRM3 CRM3 MMAC-5FNB MMAC-8FNB router into that sure installing module PSM-R module supply redundant power installed power supply MMAC...
  • Page 37 Step filler panels Save the card the panels slot openings in the you must remove panels event expose that MMAC CRM3 from any reason Slide the CRIVI3 the card follows Step into slots CRM3 Hold the handle front panel CRM3...
  • Page 38: Unit Numbering

    Connections External Network Connections Making Make network network Token Ring connections interface cables attaching Ethernet FDDI network modules serial or the appropriate connector processor Note one network more than module interface used system processor given type number lowest labeled the front of the router module unit interface...
  • Page 39: External Connections

    Step lOBaseT cable to either connector other port both on 00000000000000000 0000000000000000 OOOO Ethernet LEDs OBaseT Ethernet port Alignment green Alignment groove groove Network Ethernet Processor Module with AUI and lOBaseT Connectors Figure Single-Port CRM3 Hardware and Maintenance Installation...
  • Page 40 Connections External 00000000000 0000000000 LEDs PORT-i 5green ooJa IOBASE-T PORT-O ETHERNET LEDs 5green OBaseT Alignment Ethernet pods Alignment ports groove groove Network Processor Module with AUI and lOBaseT Connectors Dual-Port Ethernet Figure Media Type Configuring command command media media media Ethernet selected each...
  • Page 41 Connect one end FDDI PHY-B FDDI module second cable Step port 3-5 and PRY-A connect other cable other to the Figure port Multimode ports bypass Optical connector switch ModuleEnd View Dual Attachment Multimode FDDI Figure CRM3 Hardware and Maintenance Installation...
  • Page 42 Connections External Single Attachment Multimode FDDI Connections FDDI Connect multimode module attachment follows single FDDI PHY-S FDDI Connect module cable Step port Figure Connect other of the cable concentrator single attachment or connect Step ring another device point-to-point directly 000000000C 0000000 000000000000000 FDDI OPTBYPASS...
  • Page 43: Router Software Configuration

    Router Software Configuration Router Software Configuraon with the setup command either designate your configuration or with facility command For information software commands configuration the router products refer software documentation CRM3 Hardware Maintenance Installation...
  • Page 44 CHAPTER Troubeshooting Hardware nitiaH Configuration However Your went extensive burn-in before the factory router through leaving your testing have problems in this follow chapter help identify system appears starting steps problem This chapter includes following overview Troubleshooting Problem solving Environmental features reporting indicators...
  • Page 45: Processor Module

    Problem Solving Problem Solving The key CRM3 such problem solving system problem try to isolate specific what the system subsystem comparing what should be doing doing the task of isolating problem greatly simplified When problem consider solving subsystems following ModulesProblems...
  • Page 46 Cisco the top of other router group logo above indicators located the handle the upper group right Network processor module Handle Console Network port processor module Auxiliary port CRM3 RouterFront View Figure Hardware Troubleshooting Initial Configuration...
  • Page 47 Mbps operating MGMTWhen indicates this Cabletron card that Management writing Intelligent CRM3 information the backplane management interface board of the indicators defined follows right PWRWhen this indicates the router power from that...
  • Page 48 Network Processor Module Indicators Network ModuHe Processor kuflcators The network module LEDs the front panel of the router cutouts visible thorough processor Network Module Processor Ethernet Indications When LEDs network modules of the router the Ethernet are labeled facing front processor shown Figure...
  • Page 49 LEDs Note when and you have lOBaseT link meaningful only receiveWhen from this indicates that the system data the line receiving TX transmitWhen indicates this the system Ethernet transmissions that sending CRM3 Hardware Maintenance Installation...
  • Page 50 Network Processor Module Indicators Module Network Token Processor Ring Indications LEDs The Token Ring network module processor Figure 00000000000000000 0000000000000000 TOKEN RING 00o0o0O LEDs Token Ring port Alignment green Alignment groove groove Token Network Processor Module Figure Ring 16MThis when indicates When Mbps...
  • Page 51: Dual-Serial

    LEDs Module handle Dual Network Processor Figure Serial ModuleTop View When cables are used and when the port command software with clockrate configured bottom will port light of the clockrate command explanation router products software documentation CRM3 Hardware Installation Maintenance...
  • Page 52 Network Processor Module Indicators Note mismatch between there the cable the software error message will generated portfor the cable clockrate set or the cable example configuration clockrate not configured shows network module card the dual Figure serial port processor Dual CardSide View Serial...
  • Page 53 I________________I crew location Alignment groove Alignment groove FDDIModuleEnd Dual Attachment Multimode View Figure 000000000c 0000000 000000 000000000 FDDI OPT-BYPASS PHY-S bypass Optical Multimode switch connector port Alignment groove ModuleEnd Attachment Multimode FUDI View Figure Single CRM3 Hardware Maintenance 4-10 Installation...
  • Page 54 Program Bootstrap Program Bootstrap known monitor The This section describes the bootstrap program also bootstrap hardware problems when isolate rule encountered your router program help installing command of the bootstrap follows tests summary diagnostic options Entering the Bootstrap Program hardware and main boot initialize...
  • Page 55: Description

    UART 9600 baud console speed has no breaklabort effect ignore system configuration boot from Oxvalue Sets virtual value value configuration register reboot enter command command automatically router the o/r after entering CRM3 4-12 Hardware Installation Maintenance...
  • Page 56 Program Bootstrap Note enable the router read the configuration nonvolatile the ignore clear file command command NVRAIvI 0x0040 contents with the config-register after using command runs the Memory/Bus DiagnosticThe memory memory test default test examines main memory processor network Caution host before good...
  • Page 57 Program Bootstrap CRM3 Hardware Maintenance 4-14 Installation...
  • Page 58 CHAPTER Maintenance This chapter discusses maintenance of the router related components internetworking your needed network time information Certain this change over requirements adapt processor modules functions This chapter discusses these different configured internetworking configuration requirements network module or software any upgrades requiring replacement necessary...
  • Page 59 Step in front Figure tray from end network screw of the mounting module from the interface processor farthest them external rear module connectors screws shown mounting the screws aside CRM3 Hardware and Maintenance Installation...
  • Page 60 Network Processor Modules Removing Module module screw Dual mounting serial external mounting screws Figure Component Tray module network module out of handle Step lift connector pull grasp processor straight when Caution not wiggle the handle network not exert module handling processor or the handle side-to--side...
  • Page 61 Figure Observe Caution SIMMs much careful precautions force handling SIMMs could removing or replacing damage the underlying card system CRM3 Hardware and Maintenance Installation...
  • Page 62 SIMM Procedures Replacement SIMM Locations Figure SIMM shows polarization notch locations of the alignment holes card used Figure main and shared shows the polarization notch locations of the alignment memory Figure SIMM SIMM holes card used for Flash cards with memory memory installed...
  • Page 63 Slip SIMM motherboard shown locate the appropriate card sockets Step memory All the sockets should follow the section Figure empty steps SIMMS Removing Caution SIMMs SIMMs Handle card only ESD-sensitive edges components damaged by mishandling CRM3 Hardware Maintenance Installation...
  • Page 64 SIMM Procedures Replacement SIMMs them from manufactured with polarization notch Step installed prevent being SIMM backwards Hold with the polarization notch toward the front panel of the facing router the connector side top of the router with component away edge bottom Figure SIMM...
  • Page 65 This action causes Step router resetting press terminal the bootstrap prompt display program ROMs from the configuration boot the boot enter the bootstrap Step reset register follows prompt command the iouter follows Initialize Step entering CRM3 Hardware Maintenance Installation...
  • Page 66: Of Boot

    Password Lost Recovering router the configuration will will power cycle the router register image and prompt you will boot boot with the system system configuration dialog follows System Configuration Dialog Enter the system Step until prompts configuration dialog following system message displayed Press...
  • Page 67 Password Recovering Lost CRM3 Hardware and Maintenance 5-10 Installation...
  • Page 68: Specifications

    RS-449 cables Serial V.35 cables Serial X.2l cables Serial EIA-530 cable Ethernet cable Ethernet cable aseT from cables available Cisco meet and Verband 15J Class Deutscher requirements part 0871 When Electrotechniker Limit levels construct refer cables your documentation interference considerations...
  • Page 69: Rs-232C

    A- Ethernet refer assembling cable When A-14 lOBaseT Ethernet refer assembling cable page RS232 Consoe Pnouts Port SgnaHs CRM3 RJ-45 RS-232 router uses cables for the console interfaces RJ-45 console connector shown For devices have RJ-45 assignments Figure that...
  • Page 70: Rj45 Signal

    RS-232 Console Port Signals Pinouts Modem Series RJ-45 AdaptersFront Rear Views Figure RJ-45 Table names RJ-45 the pinouts the three lists signal adapters RJ45 Names Table and Adapter Pinouts Signal RJ-45 RJ-45 Modem Series DB-25 DB-25 DB-9 Signal Connected Cabling Specifications...
  • Page 71: Port Rs-232

    X.21 V.35 cables RS232 Cable Assembly A-3 shows RS-232 cable Table assembly cable Figure serial pinout lists them Table lists signals 50-pin connector J1-50 J1-33 J1-17 25-pin connector J1-1 J1-18 J1-34 RS-232 Cable Assembly Figure CRM3 Hardware Maintenance Installation...
  • Page 72: Rs-232 Dce

    Cable Serial Pinouts RS-232 Table Cable Serial Pinout Signals Connections1 12-0670-01 50 pin 25 Pin Signal Type 31-36 J1-3 SCTE J1-39 Twisted 32-5 Pair 31-40 32-4 Twisted 31-9 J2-8 Pair 31-42 32-6 Twisted Ji-li J2-2 Pair J1-44 J2-7 J1-46 J2-3 Twisted Pair J1-30...
  • Page 73: Pinout And

    Jl-35 J2-6 Pair Jl-19 J2-24 Twisted J1-4 J2-7 Pair J1-20 J2-25 Twisted J2-8 Pair Jl-37 J2-26 JI-21 Jl-22 J2-27 Twisted Pair Jl-6 J2-9 Twisted Jl-8 J2-ll Pair Jl-24 J2-29 J2-12 Twisted Jl-4l Pair J2-30 Jl-25 CRM3 Hardware and Maintenance Installation...
  • Page 74: Pinout And

    Cable Serial Pinouts Connection Table 72-0672-01 Name 37 Pin Pin1 Signal Type Ji-lO J2-13 Twisted Pair J2-31 J1-26 RLSD Twisted J1-43 J2-17 Pair RLSD J1-27 J2-35 SCTE J1-36 Twisted J2-19 Pair SCTE J1-15 J2-1 J1-44 Ground Twisted J2-37 Pair J2-20 Ground J1-48 Chassis...
  • Page 75: Pinout And

    J1-18 Jl-12 J2-P Twisted Pair Jl-28 J2-S J2-R Twisted Jl-35 Pair Jl-l9 J2-T J1-37 J2-V Twisted Pair J2-X J1-21 SCTE J2-U Twisted J1-45 Pair SCTE J2-W J1-29 J1-42 J2-E Twisted Pair Not used JI-Shield J2-Shield CRM3 Hardware and Maintenance Installation...
  • Page 76: And Signals

    Cable Serial Pinouts Connections 12-0671 34 Pin Direction Type Signal RLSD J2-F Twisted 31-9 Pair 31-48 J2-A Ground J1-40 J2-C Twisted Pair Ji-Shield J2-Shield Not used 31-2 Jl-3 Resistor ground J1-18 J1-5 Resistor 31-35 Jl-36 Resistor ground Jl-38 Jl-19 Resistor J1-44 J1-37 Resistor...
  • Page 77 Resistor watt Cable Assembly A-6 shows X.21 X.21 cable assembly Table cable serial Figure lists pinout them Table signals lists connector 50-pin J1-50 J1-33 Ji -17 J1-18 J1-34 connector 15-pin Cable Assembly X.21 Figure CRM3 A-iD Hardware and Maintenance Installation...
  • Page 78 Serial Cable Pinouts Cable Table X.21 Serial Pinout Signals Connections1 72-0683-02 From Signal Type Signal MUXSEL J1-5 J1-38 J1-36 J2-8 X.21 J1-41 J1-6 Jumper J1-25 J122 449DSR J1-41 Jumper J1-25 J124 SCTE J1-43 J1-37 Jumper J1-27 J1-21 X21 TXD Twisted J1-1 Pair J2-2...
  • Page 79 Jl-26 J2-lO Twisted Jl-2 J2-15 Pair Jl-18 J2-l2 Jl-37 Twisted J2-17 Pair Jl-21 J2-9 SCTE J2-24 Jl-43 Twisted Pair SCTE Jl-27 J2-ll IT-- J2-18 Twisted Jl-7 Pair Jl-48 GrOund Twisted J2-23 Pair Jl-36 J2-7 A-12 CRM3 Hardware and Maintenance Installation...
  • Page 80: And Signal

    Cable Ethernet Pinouts Connections 12-0732-01 Name Pin1 Signal Direction 25 Pin Type Jl-15 Shield Wire Single Jl-8 Twisted J2-6 Pair Ready Jl-24 Ground J2-23 J2-20 Jl-41 Twisted Pair Ready pin not referenced connector connected Cabe Pnouts Ethernet the pinouts the Ethernet cable following tables...
  • Page 81 Ethernet Cable Assembly RJ-45 A-13 the 6-pin lOBaseT connector Table pullout signals listed RJ45 A-13 Connector Table Pinout Signals Name Pin1 Signal referenced pin not connector connected CRM3 A-14 Hardware and Maintenance Installation...
  • Page 82: Default Boot

    APPENDIX Virtual Configuration Register This appendix describes the router register the factory default virtual settings configuration those procedures changing settings Virtua Configuration Register Settings router has which the nonvolatile random-access 16-bit virtUal into memory written register NVRAM information this processor configuration appendix register...
  • Page 83: Bit Meanings

    Table Changing Configuration Register Settings To change while the system configuration follow these register running software steps enable Enter the command Step password enter your follows privileged level router enable Password router CRM3 Hardware Installation Maintenance...
  • Page 84 Virtual Configuration Register Settings command enter the terminal level prompt Step privileged system router configure shown will the following prompted example router configure term line Enter configuration commands Edit with DELETE CTRL/W CTRL/LJ with CTRL/Z contents register enter the config-register value Step configuration...
  • Page 85 Setting factory default causes ignore Break key console command Break causes force to interpret Clearing processor the bootstrap into monitor normal Break system halting operation sent first seconds while the system reboots regardless configuration settings CRM3 Hardware Maintenance Installation...
  • Page 86: System Console

    Virtual Configuration Register Settings Bit 10 controls the host portion Internet broadcast address 10 causes the processor Setting ones the processor Bit 10 zeros clearing default causes factory which network with controls subnet broadcast address interacts portions B-4 shows combined Table effect bits...
  • Page 87 Virtual Configuration Register Settings CRM3 Hardware Maintenance B-fl Installation...
  • Page 88: Signals

    INDEX Symbols command cache 4-12 command 4-12 toggle state continue command available commands 4-12 cable bootstrap considerations assembly port auxiliary pinout signals console Numerics port piæout signals EIA-530 A-12 pinout signals Ethernet transceiver 2-11 lOBaseT FDDI 2-16 connecting cables IEEE A-l3 802.3 2-11...
  • Page 89: Dte

    4-11 entering bootstrap console environmental cable problems considerations features reporting pinout signals also specifications port equipment for installation alarm message EPROM erasable programmable memory read-only connection considerations Flash connection making damage preventing location CRM3 Hardware Maintenance Installation...
  • Page 90 Ethernet installation lOBaseT connections checklist port cable preparing connecting tools required A-13 pinout signals installing A-13 cable assembly router SIMMs connections 2-10 memory system LEDs network module considerations interference processor mode 4-12 exiting bootstrap interrupt See Break key external connections making FDDI Flash...
  • Page 91 4-13 reset 4-11 processor from hub router operating temperature SIMMs system-memory bypass switch optical SIMMs replacing connections virtual 4-13 2-17 uses resetting configuration register overview system implications ring speed CRM3 Hardware Maintenance Installation...
  • Page 92: Unit Numbering

    command RJ-45 show version lOBaseT connector A-14 pinout signal descriptions console pinout signals port auxiliary port RJ-45 console plug and console signals port port RJ-45-to-DB-25 EIA-530 A-12 adapter pinout monitor lOBaseT A-14 Ethernet Ethernet bootstrap program RS-232 router RS449 component tray connecting V.35...
  • Page 93 2-il transceiver troubleshooting hardware initial configuration network modules cables processor numbers unit external connections virtual configuration register displaying 4-13 resetting warning description metal heating objects lines powe1 shock hazard write enable Flash memory cable pinouts signals CRM3 Hardware Maintenance Installation...
  • Page 94 Corporate Headquarters Cisco Systems P.O Box 3075 1525 OBrien Drive Menlo CA 94026 Park 326-1941 800 553-NETS 6387 326-1989 European Headquarters sarI Cisco Systems Europe BP 706 Evolic avenue Quebec Cedex 91961 l.es Ulis France 6092 2000 6928 8326 Offices...

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