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APPENDIX

Virtual

Configuration Register

This

appendix

describes

the router

virtual

configuration

register

the factory

default

settings

and

the

procedures

for

changing

those

settings

Virtua

Configuration

Register

Settings

The

router

has

16-bit

virtUal

register

which

is

written

into

the nonvolatile

random-access

memory

NVRAM

Use

the

processor

configuration

register

information

in

this

appendix

to

do

the

following

Set

and

display

the

configuration

register

value

Force

the system

into

the bootstrap

program

Select

boot

source

and

default

boot

filename

Enable

or disable

the

Break

function

Control

broadcast

addresses

Set

the

console

terminal

baud

rate

Enable

booting

from

Flash

Table

B-i

lists

the

meaning

of each

of the

virtual

configuration

memory

bits

and

Table

B-2

defines

the boot

field

names

Virtual

Configuration

Register

B-i

«
...
80
81
82
83
84
...
»

Summary of Contents for CRM3

Page 1: ...ems en SYsTEM ...

Page 2: ...ance Corporate Headquarters Cabletron Systems 35 Industrial Way Rochester New Hampshire 03867 5005 603 332 9400 Cabletron Systems Network House Newbury Business Park London Road Newbury Berkshire England RG13 2PZ Text Part Number 78 1189 01 ...

Page 3: ... rights reserved Copyright 1981 Regents of the University of California Redistribution and use in source and binary forms are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other materials related to such distribution and use scknosvledge that the software was developed by the University of...

Page 4: ...Installation Checklist 2 3 Site Log 2 5 2 3 2 5 Tools and Equipment Required Preparing to Make Connections 2 5 Slot Numbering 2 5 Unit Numbering 2 7 RS 232 Connections 2 8 Console and Auxiliary Ports Connection Considerations 2 9 Network Connection Considerations 2 10 Ethernet Connections 2 10 Token Ring Connections 2 12 Serial Connections 2 13 Fiber Distributed Data Interface FDDI Connections 2 1...

Page 5: ...uter from the Hub 5 2 Removing Network Processor Modules 5 2 Router Memory 5 4 Flash Jumper Settings 5 4 SIMM Replacement Procedures 5 4 Removing SIMMS 5 6 Installing SIMMs 5 6 Recovering Lost Password 5 8 Appendix Cabling Specifications A i Cable Assembly Considerations A i RS 232 Console Port Signals and Pinouts A 2 RS 232 Auxiliary Port Signals and Pinouts A 4 Serial Cable Pinouts A 4 RS 232 Ca...

Page 6: ...Appendix Virtual Configuration Register B i Virtual Configuration Register Settings B i Configuration Register Settings B 2 Enabling Booting From Flash B S Index Table of Contents ...

Page 7: ...vi CRM3 Hardware Installation and Maintenance ...

Page 8: ...able Connections 2 15 Figure 2 15 Multimode FDDI Network Interface Connector MIC Type 2 16 Figure 2 16 Dual Attachment FDDI Connections 2 17 Figure 3 1 Token Ring Network Processor Module 3 3 Figure 3 2 Single Port Ethernet Network Processor Module with AUI and lOBaseT Connectors 3 4 Figure 3 3 Dual Port Ethernet Network ProcessorModule with AUI and lOBaseT Connectors 3 5 Figure 3 4 Serial Port La...

Page 9: ...sole Connector and Pin Signals A 2 Figure A 2 RJ 45 AdaptersFront and Rear Views A 3 Figure A 3 RS 232 Cable Assembly A 4 Figure A 4 RS 449 Cable Assembly A 6 Figure A 5 V 35 Cable Assembly A 8 Figure A fl X21 Cable Assembly A b Figure A i EIA 530 Cable Assembly A 12 Figure A B Ethernet AUI Cable Assembly A 13 viii CRM3 Hardware Installation and Maintenance ...

Page 10: ...n D Sub Connector A 4 RS 232 DTE Serial Cable Pinout and Signals A S RS 232 DCE Serial Cable Pinout and Signals A S RS 449 DTE Serial Cable Pinout and Signals A 6 RS 449 DCE Serial Cable Pinout and Signals A 7 V 35 DTE Serial Cable Pinout and Signals A 8 V 35 DCE Serial Cable Pinout and Signals A 9 X21 DTE Serial Cable Pinout and Signals A i X2i DCE Serial Cable Pinout and Signals A li EIA 530 DTE...

Page 11: ...CRM3 Hardware Installation and Maintenance ...

Page 12: ...on Document Organization The major sections of the CRM3 Hardware Installation and Maintenance publication follow Chapter Product Overview contains an overview of the CRM3 router Chapter Preparing for Installation includes safety recommendations tools and equipment site requirements an installation checklist console and auxiliary port cable connection considerations network connection consideration...

Page 13: ... by vertical bar Samples use these conventions Terminal sessions are in screen font Information you enter is in boldface screen font Nonprinting characters are shown in angle brackets Information the system displays is in screen font with default responses in square brackets Note Means reader take note Notes contain helpful suggestions or references to materials not contained in this manual Timesa...

Page 14: ...68EC030 32 bit microprocessor Support for up to two network processor modules at time including single and dual Ethernet Token Ring dual serial and single and dual attachment multimode Fiber Distributed Data Interface FDDI interfaces Any network processor modules can be placed in either the top or bottom network processor module slot Any desired combination of network processor modules is supporte...

Page 15: ...CI 00000000000 00000000000 OOOOOOOOOOOOOOOOi O 000000o0oo00000000Th OOOOOOOOOOOOOOOOJ o000000000000000 00000000000000000 b0 h0 00000000000 00000000000 II ooooooooooooooo 000000000000000000O oooooooooooooooooo ooooooooooooooo oooooooooooooj EA 4 az 0o000oL Hi 61 7a ...

Page 16: ...rola 68EC030 32 bit wide Main Memory MB standard 16 MB max Shared Memory MB standard MB max Flash Memory MB standard MB max Nonvolatile Memory 128 KB standard Network Interface Options Single and dual Ethernet Token Ring dual serial single and dual attachment multimode FDDI Serial Interfaces RS 232 RS 449 V 35 X21 EIA 530 Console Port RS 232 RJ 45 female connector Auxiliary Port RS 232 DB 25 male ...

Page 17: ...System Specifications 1 4 CRM3 Hardware Installation and Maintenance ...

Page 18: ...sure general safety Keep the work area clear and dust free during and after installation Keep tools away from walk areas Do not wear loose clothing that could get caught during installation Fasten your tie or scarf and sleeves Wear safety glasses when working under any conditions that might be hazardous to your eyes Do not perform any action that creates potential hazard to people or makes the equ...

Page 19: ...heck Carefully examine your work area for possible hazards such as moist floors ungrounded power extension cables and missing safety grounds If an electrical accident occurs proceed as follows Use caution do not become victim yourself Turn OFF power to the system If possible send another person to get medical aid Otherwise assess the condition of the victim and then call for help Determine if the ...

Page 20: ...lan an acceptable operating environment for your router and will help to avoid environmentally caused equipment failures Remember that electrical equipment generates heat Ambient room temperature may not be adequate to cool equipment to acceptable operating temperatures without adequate circulation Ensure that the room in which your system operates has adequate circulation Always follow ESD preven...

Page 21: ...ools available Additional equipment available Environmental specifications verified Network connection equipment available Router installed in MMAC hub ASCII terminal attached to console port Signal distance limits verified Software version verified Startup sequence steps completed Initial system operation verified Router name ____________________________ Router serial number _____________________...

Page 22: ...Configuration changes Maintenance schedules and requirements Corrective maintenance procedures performed Intermittent problems Related comments TooHs and Equipment Requked You need the following tools and equipment to install the router ESD cord and wrist strap Screwdrivers No and No Phillips Preparng to Make Connectons The system console port auxiliary AUX port and network processor module ports ...

Page 23: ...D CD CD CD CD jt 00000000000 00000000000 00000000000000000 0 9OOOOOOOOOOQOOOOO9 roooooooooooooooooo 000000000000000oo I o OOOOOOOOOOOOOOOOj 00000000000 00000000000 ooooooooooooooooJ 000000000000o0000 gg 000000ooo000000oo oooooooooooooooJJ0 oooooooooooL Hi617a CD ...

Page 24: ...ng are shown in shown in Table 2 1 and Table 2 2 Table 2 1 Unit Numbering for Dual Serial and Token Ring Modules Slot No Interface Type Unit Address No Backplane Token Ring Serial port closest to handle Serial port farthest from handle Token Ring Table 2 2 Unit Numbering for Two Dual Serial Modules Slot No Interlace Type Unit Address No Backplane Token Ring Serial port closest to handle Serial por...

Page 25: ...etween bit rate and distance Table 2 3 IEEE Standard RS 232C Speed Versus Distance Data Rate bps Distance Feet Distance Meters Note RS 232 is often used in violation of these specifications If you understand the electrical problems that can arise and can compensate for them you might be able to get good results at distances greater than those shown in Table 2 3 however do so at your own risk We re...

Page 26: ...electronic devices the potential existence of ground loops are also threat to electrical components and to safety If your site has experienced problems of this sort consult experts in lightning suppression and shielding Most data centers cannot resolve the infrequent but potentially catastrophic problems just described without pulse meters and other special equipment Take precautions to avoid thes...

Page 27: ...thernet AUT connector or the lOBaseT connector can be used but not both For example Ethernet port could be attached to either lOBaseT connector or to an AUI connector and similarly Ethernet port could be attached to either l0BaseT or to an AUI connector 00000000000000000 0000000000000000 00 AUI 00 00 Ethernet lOBaseT Alignment groove OBaseT LEDs Ethernet port green Figure 2 4 Single Port Ethernet ...

Page 28: ...both on the same network processor module Figure 2 7 shows dual port Ethernet network processor module with an Ethernet AUI connection to transceiver Figure 2 1 Dual Port Ethernet Network Processor Module Ethernet AUI Port Connection Figure 2 8 shows the transition cable used as flexible extension of the Ethernet port allowing an Ethernet transceiver cable with slide latch connector to mate with t...

Page 29: ... Token Ring lobe cable to connect the router directly to media attachment unit MAU as shown in Figure 2 10 00000000000000000 0000000000000000 00 00 _JoJ JoJ TOKEN RING o0o0o0o0oo st LEDs Token Ring port green Figure 2 9 Token Ring Network Processor Module Ethernet module Slide latch connector cJ 18 transition cable Alignment groove cJ Alignment groove 2 12 CRM3 Hardware Installation and Maintenanc...

Page 30: ...000 LEDs 4green XC Q 0000000000000000 7 OPORT 1 OOOOOOOoooooo LEDs DCD ic AS lol SERIAL V2 green lol TS ________________________________ TS2 0cc ooooooooooooooooo QPoRT o LEDs oooooooooooooo1 yellow green Alignment Serial ports Alignment groove groove Figure 2 11 Serial Port Labeled V2 Standard IEEE 802 5 Media attachment unit MAU 9 pin Back Chassis top view Front Figure 2 10 Token Ring Cable Conn...

Page 31: ...dule is operating as DTE in NRZI mode the sense of the dte invert timing command has to be manually changed For instance if the command no dte invert timing was configured then dte invert timing must be configured Note In the future the jumper functions will be incorporated into the system configuration software soit will not be necessary to manually set jumpers or use the dteinvert timing command...

Page 32: ...n all there are thie different serial cables available DTE and DCE versions of RS 232 RS 449 V 35 and X 21 and EIA 530 DTE cable Note Serial ports configured as DCE must also be configured with the clockrate command See the router products software documetitation for more information on software commands Serial port 50 pin connector Chassis Serial transition RS 232 RS 449 V 35 X21 or EIA 530 conne...

Page 33: ...ode transceiver each provide 11 dB of optical power FDDI Cable Connections The fiber optic multimode connectors of the FDDI network processor module are FDDI standard physical sublayer PHY connectors The media interface connector MIC connects toFDDI standard 62 5 125 micron multirnode fiber optic cable Figure 2 15 shows the MIC typically used for network and chassis connections in multimode FDDI a...

Page 34: ...ation site will not be ready for some time keep the chassis in its shipping container to prevent accidental damage When you have determined where you want the system installed proceed with the unpacking The router cables publications and any optional equipment you ordered might be shipped in more than one container When you unpack each shipping container check the packing list to ensure that you r...

Page 35: ...Inspecting the System 2 18 CRM3 Hardware Installation and Maintenance ...

Page 36: ...m console port labeled CaM Flow control is not possible on the console port however you can specify padding for output characters using the EXEC command terminal padding which sets character padding on the current terminal line For more details on specifying padding refer to the router product software documentation Note It is not necessaly to turn off power to the MMAC prior to or during installa...

Page 37: ... remove the CRM3 and reinsert it Tighten the knurled knobs to secure the CRM3 to the MMAC Step Check to see that the BOK LED located at the top of the CRM3 front panel changes from red to flashing green after the router is booted Externa Connections The following sections describe the process of connecting the console teiminal and external networks to the router Makkig the Consoe Port Connectons T...

Page 38: ...nt of the router See the sections Slot Numbering and Unit Numbering in Chapter Making Token Ring Connections The procedure for connecting network to Token Ring network processor module follows Step Attach the network processor module port labeled TOKEN RING to the 9 pin D type connector of your Token Ring module see Figure 3 1 00000000000000000 0000000000000000 0O 00 0o0 O0 TOKEN RING 11 LEDs Toke...

Page 39: ...lide latch connector of the same cable to your transceiver or hub Step If you are using both ports of dual Ethernet module connect the second Ethernet interface cable to either the AUI or lOBaseT connector but not both on the other port lOBaseT Connections Connect an Ethernet lOB aseT port as follows Step Attach the lOBaseT port labeled lOBaseT see Figure 3 2 and Figure 3 3 to the lOBaseT cable St...

Page 40: ...les is standard Use the specific serial transition cable for your modem or channel service unit data service unit CSU DSU connector type Caution For proper router operation both ends of the RS 232 serial DCE cable and any cable attached to it must be connected If this cable must be detached detach the router end first If the end away from the router is disconnected first the line connection will f...

Page 41: ...ions Dual Attachment Multimode FDDI Connections Connect dual attachment multirnode FDDI module as follows Step To connect to dual attachment station DAS connect one end of an FDDI cable to the PHY port on the FDDI module see Figure 3 5 and the other end of the cable to the PHY port on the other DAS Step Connect one end of second FDDI cable to the PHY B port on the FDDI module see Figure 3 5 and co...

Page 42: ...Switch Connections To connect the FDDI module to an external optical bypass switch not included use the optical bypass interface cable included with the module as follows Step Connect one end of the optical bypass interface cable to the six pin circular Deutsche Industrie Norm DIN connector on the FDDI module panel See Figure 3 5 and Figure 3 6 Step Connect the other end of the optical bypass inte...

Page 43: ...guraon You can designate your configuration with either the setup command facility or with the configuration command For information on software commands refer to the router products software documentation 3 8 CRM3 Hardware Installation and Maintenance ...

Page 44: ...r or the network Use the information in this chapter to help isolate problems and to rule out the router as the source of the problem For additional troubleshooting assistance refer to the optional Troubleshooting In tern etworking Systems publication Note Whether or not you can locate the problem contact service representative for information on how to proceed in resolving the problem you are hav...

Page 45: ...nnector Check the LEDs on the network processor module Network processor module is recognized but interface ports will not initialize Check the motherboard connection Check the external cables for connection System will not boot properly or constantly intermittently reboots Check the network processor module connection to the motherboard Check the external cables for connection Suspect the process...

Page 46: ...the LED indicators on the router front panel These LED indicators are located in two groups one group of four indicators is below the Cisco logo at the top of the router and the other group of six indicators is located above the handle on the upper right Network processor module Handle Console Network port processor module Figure 41 CRM3 RouterFront View Auxiliary port Troubleshooting the Initial ...

Page 47: ...ht when that the router is in halt state and flashes green when the router is booted and running During bootup this LED will be red until the boot process is complete when it will change to flashing green The LED will continue to flash green to indicate normal operation FNBThe two LEDs below FNB indicate the status of the backplane Token Ring port If the port is able to communicate over the interf...

Page 48: ...__ gFoL ____ TX IOBASE T LNK POL 00000000000 0000000000 PORT i _____ 0000000 oooooooJJ PORT O ETHERNET AUI 000000 ooooooJJO The network processor module LEDs are visible thorough cutouts on the front panel of the router Alignment groove lOBasel LEDs Ethernet port green Alignment groove Figure 4 2 Single Port Ethernet Network Processor Module LEDs green LEDs green Alignment groove lOBaseT ports Eth...

Page 49: ...none of the other LEDs on the network processor module will be lit POL polarityWhen on this indicates that the autopolarity reading detected that the polarity was defective and corrected for it switched it LNK linkWhen on this indicates that lOB aseT is selected and the link is available Note The LNK and POL LEDs are meaningful only when you use lOBaseT and you have link RX receiveWhen on this ind...

Page 50: ...Token Ring Network Processor Module 16MThis LED indicates ring speed When on it indicates ring speed of 16 Mbps when off it indicates ring speed of Mbps IN RINGThis LED when on indicates that the network processor module is inserted into the ring when off it indicates that the network processor module is not inserted into the ring Note When the IN RING LED is off the Token Ring cable can be unplug...

Page 51: ...CE port the bottom LED will light For an explanation of the clockrate command see the router products software documentation The dual serial network processor module has two LED cards As viewed from the front as shown in Figure 4 5 the left card is marked P O for port and the right card is marked P i for port The lower serial port is port and the upper serial port is port as labeled on the module ...

Page 52: ...ble 4 1 Table 4 1 Dual Serial Network Processor Module LED Indications Serial LED Card Outer Labels DO TXC DI RXC DCD RS TS TS2 LP Indication DTE DCE1 Data Out TXDIRXD Transmit Clock Data In RXD TXD Receive Clock Data Carrier Detect Receive Signaling CTSIRTS Transmit Signaling RTS CTS Transmit Signaling DTRIDSR Loop Figure 4 7 Dual Serial Port LED CardSide View DCE Lit if network processor module ...

Page 53: ...Y that is not in the ring is not lit On single attachment module the LED indicates ring up when lit if the LED is not lit the module is not inserted into ring LEDs 0000000 00 00 00 FDDI 00 PHY B RFNG OP OPT BYPASS Figure 4 8 Dual Attachment Multimode FDDIModuleEnd View PHY S Multimode port Alignment groove Optical bypass switch connector PHY B Multimode ports PHY A Alignment groove 000000000c 0000...

Page 54: ... If you set the configuration to OxO you will have to manually boot the system each time you reboot the router Note Break interrupt is always enabled for 60 seconds after booting the system even if break is configured to be off by setting the configuration register During the 60 second window you can break to the bootstrap program prompt The ROM monitor o r command will reset the configuration reg...

Page 55: ...ize the hardware clear the contents of memory and boot the system if so directed by the boot field in the virtual configuration register It is best to use the command before running any tests or booting software Display Stack TraceThe command displays stack trace of the last running system software This will be useful as diagnostic reading in the event of problem such as an unexpected system crash...

Page 56: ...e the default addresses and select the default tests press the Return key after each prompt displayed The time to run diagnostic is memory size dependent It will take minimum of 10 minutes If the program encounters memory problems it will display appropriate error messages on the console terminal Be sure to reinitialize the processor before booting the system by entering at the bootstrap prompt Ru...

Page 57: ...Bootstrap Program 4 14 CRM3 Hardware Installation and Maintenance ...

Page 58: ...pped with the replacement parts or upgrades you order This chapter contains the following sections Tools Required Removing the Router from the Hub Removing Network Processor Modules Router Memory SIMM Replacement Procedures Caution Before touching the router be sure you have discharged all static electricity from your body Before performing procedures described in this chapter review the following...

Page 59: ...ean work surface Removing Network Processor ModuHes If you are replacing any memory single in line memory modules SIMMs you must first remove the network processor modules as follows Caution Some network processor modules are mounted on the front of the router with two external screws On modules with external mounting screws which include the Fiber Distributed Data Interface FDDI module these scre...

Page 60: ...ssor module handle and pull straight up Caution Do not wiggle the handle when handling the network processor module and do not exert any side to side pressure or the handle might work loose and damage the network processor module Step Place the removed module on an ESD prevention mat Module mounting screw Figure 5 1 Component Tray Maintenance 5 3 ...

Page 61: ...ted in SIMM sockets that can be populated with two 1 MB SIMMs for MB of storage one 4 MB SIMM for MB of storage or two 4 MB SIMMs for MB of storage When installing single SIMM configurations install the SIMM in the top SIMM socket closest to the J7 jumper leaving the bottom socket empty Flash Jumper Settings To configure the Flash memory for write enable or disable settings the jumper at location ...

Page 62: ... and locations of the alignment holes on memory SIMM card used for Flash memory The SIMM cards are installed with the connector edges plugged into the socket and the component side facing up when the router is installed in the hub Alignment holes nnnnnnnnnnnmnnnrnnnnnnnnnnnnn Polarization notch Connector edge Figure 5 3 Main and Shared Memory SIMM Figure 5 2 SIMM Locations Maintenance 5 5 ...

Page 63: ...ides outward and tilt the SIMM free of the clips Step Hold the SIMM by the edges with your thumb and index finger and lift it out of the socket Place the removed SIMM in an antistatic bag to protect it from ESD damage Step Repeat steps through for each memoly SIMM card Proceed to the following section Installing SIMMs Follow this procedure to install SIMMs Step Slip on an ESD prevention wriststrap...

Page 64: ...sition See Figure 5 5 When the SIMM is properly seated the socket guide posts will insert through the alignment holes and the connector springs will click into place Use the minimum amount of force required Top View Chassis front Insert SIMM 45 from vertical Push SIMM down and back Socket guide posts insert through SIMM holes both sides wwwwwwwwwwwwwwwwwwwwwwwwwwwww Locking spring will SIMM clip b...

Page 65: ...k to its original setting Note To recover lost password if Break is disabled on the router you must have physical access to the router To recover lost password follow this procedure Step Attach an RS 232 ASCII terminal to the router console port which is located at the rear of the router Step Configure the terminal to operate at 9600 baud data bits no parity stop bit or to whatever settings the ro...

Page 66: ...nfiguration EXEC command to display the enable password in the router configuration file and to display any boot system commands Step 12 Enter the configure terminal command at the EXEC prompt You are prompted as follows Router boot configure Configuring from terminal memory or network Return Enter configuration commands one per line Edit with DELETE CTRL W and CTRL U end with CTRL Z Step 13 Using...

Page 67: ...Recovering Lost Password 5 10 CRM3 Hardware Installation and Maintenance ...

Page 68: ...J Class requirements and Verband Deutscher Electrotechniker VDE 0871 Limit levels When you construct your own cables refer to the appropriate documentation regarding interference considerations and cable length limitations Cabe Assemby Considerations When assembling your own cables follow these steps Step Fold back the braided shield to make electrical and mechanical connection with the metal shel...

Page 69: ...ains an RJ 45 cable and three RJ 45 adapters The three RJ 45 adapters are described below and are shown in Figure A 2 VT SeriesUse to connect VT series terminal or VT type terminal running emulation programs for the VT series This adapter has male DB 25 connector MODEMUse to connect Hayes compatible modem This adapter has female DB 25 connector PCUse to connect an IBM or compatible PC running VT s...

Page 70: ...ee RJ 45 adapters Table A i RJ45 Signal Names and Adapter Pinouts VT Series Modem PC Figure A 2 RJ 45 AdaptersFront and Rear Views RJ 45 RJ 45 VT Series Modem PC Signal Pin DB 25 Pin DB 25 Pin DB 9 Pin CTS DSR 20 RxD NC NC NC TxD GND TxD 20 ii NC 4C1 RTS NC1 22 NC NC Not Connected Cabling Specifications A 3 ...

Page 71: ...etect Input 20 Data Terminal Ready Output 22 Ring Input Any pin not referenced on connector is not connected Serial Cable Pnouts The following figures and tables provide the pinouts and signal descriptions for the RS 232 RS 449 V 35 and X 21 DTE and DCE cables RS232 Cable Assembly Figure A 3 shows the RS 232 cable assembly Table A 3 lists the serial DTE cable pinout and signals and Table A 4 lists...

Page 72: ... J2 24 TXC Twisted Pair Chassis Ground Any pin not referenced on connector is not connected Table A 4 RS 232 DCE Serial Cable Pinout and Signals 12 0136 01 Connections1 50 Pin 25 Pin Signal Type J1 3 J1 36 MUX 31 47 J2 24 SCTE Twisted Pair J1 17 J1 38 DCE J1 40 32 5 CTS Twisted Pair J1 39 32 4 RTS J1 14 32 8 DCD Twisted Pair 31 30 32 6 DSR 31 46 32 2 TXD Twisted Pair J1 44 J2 7 GND 31 11 J2 3 RXD ...

Page 73: ...Signals 37 pin connector J2 72 0612 01 Connection Table 50 Pin 31 Pin Signal Name Type Jl 5 J1 38 MUX Jl 7 J2 lO LL Jl l J2 4 TXD Twisted Pair Jl 34 J2 22 TXD Jl 2 J2 5 SCT Twisted Pair Jl 18 J2 23 SCT Jl 35 J2 6 RXD Twisted Pair Jl 19 J2 24 RXD J1 4 J2 7 RTS Twisted Pair J1 20 J2 25 RTS Jl 37 J2 8 SCR Twisted Pair JI 21 J2 26 SCR Jl 22 J2 27 DCE Twisted Pair Jl 6 J2 9 Jl 8 J2 ll CTS Twisted Pair ...

Page 74: ...1 13 J2 1O LL J1 35 J2 4 Twisted Pair TXD J1 19 J2 22 TXD J1 43 J2 5 Twisted Pair SCT J1 27 J2 23 SCT J1 1 J2 6 Twisted Pair RXD J1 34 J2 24 RXD J1 6 J2 7 Twisted Pair RTS J1 22 J2 25 RTS J1 49 J2 8 Twisted Pair SCR J1 50 J2 26 SCR J1 17 J1 44 DCE J1 20 J2 27 CTS J1 4 J2 9 CTS J1 41 J2 11 DSR J1 25 J2 29 DSR J1 8 J2 12 DTR J1 24 J2 30 DTR Ji lO J2 13 RLSD J1 26 J2 31 RLSD J1 37 J2 17 SCTE J1 21 J2...

Page 75: ...Connections 50 Pin 34 Pin Type Signal Direction Jl 3 J1 36 Jumper MUX To ground J1 5 J1 38 Jumper MUX To ground J1 14 J2 K Twisted Pair LTST Ji Shield J2 Shield Not used J1 2 J2 Y Twisted Pair SCT J1 18 J2 AA SCT Jl 12 J2 P Twisted Pair TXD Jl 28 J2 S TXD Jl 35 J2 R Twisted Pair RXD Jl l9 J2 T RXD J1 37 J2 V Twisted Pair SCR J1 21 J2 X SCR J1 45 J2 U Twisted Pair SCTE J1 29 J2 W SCTE J1 42 J2 E Tw...

Page 76: ...eld 32 Shield Single Not used Any pin not referenced on connector is not connected Table A 8 V 35 OCE Serial Cable Pinout and Signals 72 0740 02 Connections 50 Pin 34 Pin Type Signal Name Direction J1 3 Jl 36 Jumper MUX To ground Jl 5 Jl 38 Jumper MUX To ground Jl 9 J2 K Twisted Pair LTST 1 Shield J2 Shield 31 45 J2 Y Twisted Pair SCT 31 29 32 AA SCT 31 35 32 P Twisted Pair TXD 31 19 32 S TXD 31 1...

Page 77: ...Twisted Pair CTS JI Shield J2 Shield Not Used Ji Shield J2 Shield Twisted Pair Il Shield J2 Shield Any pin not referenced on connector is not connected See Figure A 5 Resistor 301 ohms 1 4 watt 1 X21 Cable Assembly Figure A 6 shows the X 21 cable assembly Table A 9 lists the X 21 DTE serial cable pinout and signals and Table A b lists them for DCE Figure A 6 X 21 Cable Assembly 50 pin connector Ji...

Page 78: ...IND J1 26 J2 12 J1 2 449 SCT Twisted Pair J2 6 X21 CLK J1 18 J2 13 Any pin not referenced on connector is not connected Table A lu X 21 DCE Serial Cable Pinout and Signals 72 0737 01 Connections1 From Signal Type To Signal J1 5 MUX SEL J1 38 GND J1 36 449 GND J2 8 X21 GND J1 41 449 DSR Jumper J1 8 449 DTR J1 25 J1 24 J1 35 449 TXD Twisted Pair J2 2 X 21 TXD J1 19 J2 9 J1 6 449 RTS Twisted Pair J2 ...

Page 79: ...ype Jl 5 Looped NC Jumper Jl 38 Jl l TXD J2 2 Twisted Pair Jl 34 TXD J2 14 Jl 35 RXD J2 3 Twisted Pair Jl 19 RXD J2 16 Jl 4 RTS J2 4 Twisted Pair Jl 20 RTS J2 19 J1 6 CTS J2 5 Twisted Pair Jl 22 CTS J2 13 Ji lO RLSD RR J2 8 Twisted Pair Jl 26 RLSD RR J2 lO Jl 2 SCT J2 15 Twisted Pair Jl 18 SCT J2 l2 Jl 37 SCR J2 17 Twisted Pair Jl 21 SCR J2 9 Jl 43 SCTE TT J2 24 Twisted Pair Jl 27 SCTE IT J2 ll Jl...

Page 80: ...A 8 shows the Ethernet AUI cable assembly and Table A 12 lists the pullout and signals iii iii9 J1J2 J2 15 Figure A 8 Ethernet AUI Cable Assembly Table A 12 Ethernet AUI Pinout and Signals Pin1 Ethernet Circuit DO A 10 DO B 11 DO S DI A 12 DI B DI S CO A 15 CO B CO S Cl A Cl B Cl S YC Signal Name Data Out Circuit Data Out Circuit Data Out Circuit Shield Data In Circuit Data In Circuit Data In Circ...

Page 81: ...pin not referenced on connector is not connected Ethernet lOBaseT Cable Assembly The pullout and signals for the 6 pin RJ 45 lOBaseT connector are listed in Table A 13 Table A 13 RJ45 Connector Pinout and Signals Pin1 Signal Name TX TX RX RX Any pin not referenced on connector is not connected A 14 CRM3 Hardware Installation and Maintenance ...

Page 82: ...ry NVRAM Use the processor configuration register information in this appendix to do the following Set and display the configuration register value Force the system into the bootstrap program Select boot source and default boot filename Enable or disable the Break function Control broadcast addresses Set the console terminal baud rate Enable booting from Flash Table B i lists the meaning of each o...

Page 83: ...trap program ROM monitor prompt Force the router to boot automatically from the system bootstrap software boot ROM image its system image in Flash memory or read any boot system commands that are stored in its configuration file in NVRAM If the router finds no boot system commands it uses the configuration register value to form filename from which to netboot default system image stored on network...

Page 84: ...register is 0x142 will be 0x102 at next reload Step Reboot the router The new value takes effect Configuration register changes take effect only when the server restarts such as when you switch the power off and on or when you issue reload command from the console Boot Field The lowest four bits of the processor configuration register bits and form the boot field See Table B 2 The boot field speci...

Page 85: ...filenames or actions for the processor Note boot system configuration command in the router configuration in NVRAM overrides the default netboot filename Table B 3 Default Boot Filenames Bit controls the console Break key Setting bit the factory default causes the processor to ignore the console Break key Clearing bit causes the processor to interpret Break as command to force the system into the ...

Page 86: ...efinitely By factory default bit 13 is cleared to Bits 11 and 12 in the configuration register determine the baud rate of the console terminal Table B 5 shows the bit settings for the four available baud rates The factory set default baud rate is 9600 Table B5 System Console Terminal Baud Rate Settings Baud Bit 12 Bit 11 9600 4800 1200 2400 Enabhng Booting From Hash To enable booting from Flash se...

Page 87: ...Virtual Configuration Register Settings B fl CRM3 Hardware Installation and Maintenance ...

Page 88: ...xiliary port pinout and signals A 4 console port piæout and signals A 2 EIA 530 pinout and signals A 12 Ethernet transceiver 2 11 A 13 FDDI 2 16 IEEE 802 3 AUI 2 11 A l3 making your own A i mismatch 4 9 multimode fiber optic 2 16 RS 232 pinouts and signals A 4 RS 449 pinouts and signals A 6 serial 2 15 specifications A Token Ring lobe 2 12 transceiver 2 li A 13 troubleshooting 4 2 V 35 pinouts and...

Page 89: ...locking 2 15 configure terminal command B 3 interface port 2 15 connection dte invert timing command 2 14 auxiliary port 2 9 dual attachment FDDI LED indications 4 10 considerations 2 10 dual serial network processor module console port 2 9 jumpers 2 14 Ethernet LEDs 4 8 making 3 4 top view 4 8 port considerations 2 10 external making 3 2 FDDI making 2 16 3 6 port considerations 2 16 optical bypas...

Page 90: ...mory SIMMs 5 6 interference considerations 2 9 interrupt See Break key jumper settings Flash memory 5 4 jumpers dual serial network processor module 2 14 command display stack trace 4 12 key Break interrupt 4 il LED indicators front panel 4 3 network processor modules 4 5 loading software from Flash B S general site requirements 2 3 command help in bootstrap 4 12 hardware configuration troubleshoo...

Page 91: ...vering 5 8 pinouts auxiliary port A 4 console port A 2 port EIA 530 A 12 Ethernet lOBaseT A 14 Ethernet AUI A 13 RS 232 A 4 RS 449 A 6 V 35 A 8 X 21 A b locations 2 5 software configuration serial 4 9 preparing for installation 2 1 to make connections 2 5 preventing ESD damage 2 2 preventive site configuration 2 3 printing summary of bootstrap commands 4 12 privileged level system prompt B 3 probl...

Page 92: ... CSU DSU clocking 2 15 DTE 2 15 location 2 5 making connections 2 13 unit numbering 2 7 setup command 3 8 shared memory description 5 4 size 1 3 show version command B 3 signal descriptions auxiliary port A 4 console port A 2 EIA 530 A 12 Ethernet lOBaseT A 14 Ethernet AUI A 13 RS 232 A S RS449 A 6 V 35 A 8 X 21 A il SIMMs location 5 S replacement procedures 5 4 system memory installing 5 6 system...

Page 93: ...ools for installation 2 5 for maintenance 5 1 transceiver cable 2 il troubleshooting initial hardware configuration 4 1 network processor modules and cables 4 2 unit numbers 2 7 use external connections 3 2 virtual configuration register displaying and resetting 4 13 warning description heating metal objects 2 1 powe1 lines 2 1 shock hazard 2 2 write enable Flash memory 5 4 X21 cable pinouts and s...

Page 94: ...a and Asia Pacific Cisco Systems Inc 1525 OBrien Drive P O Box 3075 Menlo Park CA 94026 USA Tel 415 320 1941 Fax 415 688 4645 Regional Offices Cisco Systems Australia Pty Ltd Tel 6129574944 Fax 6129574077 Cisco Systems Canada Limited Tel 416 506 1500 Fax 416 506 1506 Cisco Systems Hong Kong Ltd Tel 8525293534 Fax 852 520 2676 Cisco Systems de Mexico SA de CV Tel 5252540880 Fax 525531 9659 Cisco Sy...

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