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CRBRIM-W/T

HARDWARE USER’S GUIDE

CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005

Summary of Contents for CRBRIM-W/T

Page 1: ...CRBRIM W T HARDWARE USER S GUIDE CABLETRON SYSTEMS P O Box 5005 Rochester NH 03866 5005 ...

Page 2: ... SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copyright April 1995 by Cabletron Systems Inc P O Box 5005 Rochester NH 03866 5005 All Rights Reserved Printed in the United States of America Part Number 9031380 April 1995 SPECTRUM and LANVIEW are registered trademarks and CRBRIM W T MMAC 8FNB MMAC 5FNB MMAC 3FNB and MicroMMAC are trademarks of Cabletron Systems Inc Cisco Systems is a registered...

Page 3: ...anges or modifications made to this device which are not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le présent apparei...

Page 4: ...RANTY AND DISCLAIMER OF LIABILITY IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT PROMPTLY RETURN THE UNUSED PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND CABLETRON SOFTWARE PROGRAM LICENSE 1 LICENSE You have the right to use only the one 1 copy of the Program provided in this package subject to the terms and conditions of this License Agreement You may not copy reproduce or transmit any p...

Page 5: ...N IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES OR ON THE DURATION OR LIMITATION OF IMPLIED WARRANTEES IN SOME INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product a was developed solely a...

Page 6: ...ifications 2 2 2 2 Memory Configurations 2 3 2 3 Protocol Support 2 4 Chapter 3 Preparing for Installation 3 1 Preventing Electrostatic Discharge Damage 3 1 3 2 System Operation Prerequisites 3 2 3 3 Distance Limitations 3 2 3 3 1 Serial Connections 3 2 3 4 Interference Considerations 3 4 3 5 Console Considerations 3 5 3 5 1 Console Port Connections 3 5 3 6 Network Connection Considerations 3 5 3 ...

Page 7: ... 2 Chapter 6 Maintenance 6 1 Installing Primary Memory DRAM SIMMs 6 1 6 1 1 Tools and Equipment Required 6 2 6 1 2 Primary Memory Configurations 6 2 6 1 3 Approved DRAM SIMMs 6 3 6 1 4 DRAM SIMM Installation 6 3 6 2 Replacing System Code SIMMs 6 5 6 2 1 Tools and Equipment Required 6 5 6 2 2 System Code SIMM Replacement 6 5 6 3 Recovering a Lost Password 6 7 Appendix A Cabling Specifications A 1 C...

Page 8: ...n Register Settings B 1 B 1 1 Changing Configuration Register Settings B 3 B 1 2 Virtual Configuration Register Bit Meanings B 5 B 1 3 Enabling Booting from Flash B 8 B 1 4 Copying to Flash B 8 Appendix C Bootstrap Program C 1 Entering the Bootstrap Program C 1 C 1 1 Available Bootstrap Commands C 2 C 1 2 Running the Diagnostics C 5 ...

Page 9: ...s manual describes features explains installation procedures and provides specifications for the Cabletron Systems CRBRIM W T The CRBRIM W T is designed to reside in and provide additional connectivity functionality to various Cabletron Systems MIMs and hubs such as the MicroMMAC Figure 1 1 CRBRIM W T TP RESET S1 S0 CONSOLE S0 TR PWR SYS S1 ...

Page 10: ...BRIM W T Hardware User s Guide This chapter also provides a list of related manuals and GETTING HELP information Chapter 2 Product Overview contains an overview of the router feature set and physical specifications Chapter 3 Preparing for Installation includes safety recommendations site requirements an installation checklist console port cable connection considerations network connection consider...

Page 11: ...d command options 1 4 Document Conventions This publication uses the following conventions to convey instructions and information Command descriptions use these conventions Commands and keywords are in boldface font Variables for which you supply values are in italic font Elements in square brackets are optional Alternative but required keywords are grouped in braces and are separated by a vertica...

Page 12: ... can save time by performing the action described in the paragraph Means reader be careful You are capable of doing something that might result in equipment damage or loss of data CAUTION Means electric hazard You are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and standard practices for preventing accide...

Page 13: ...n and Reference Guides available through Cabletron Systems CRM CDROM A compilation of Cisco Systems Router Products Configuration and Reference Guides on CD ROM available through Cabletron Systems 1 6 Getting Help If you need additional support related to the Cabletron Systems CRBRIM W T or if you have any questions or comments related to this manual contact Cabletron Systems Technical Support by ...

Page 14: ...e internal Token Ring port The two high density WAN ports support V 35 X 21 RS449 RS422 RS530 and RS232 interfaces The CRBRIM W T uses Cisco Systems routing software and is capable of supporting Frame Relay X 25 DDN X 25 SMDS T1 E1 and DDS circuit connections The CRBRIM W T uses a FLASH EEPROM and is shipped with system code operating from Flash memory by default For more information on system cod...

Page 15: ...2 synchronous serial 2501 Token Ring interface internal IEEE 802 5 CRBRIM to RJ45 Synchronous serial interfaces RS 232 RS 449 V 35 X 21 NRZ NRZI1 and DTE DCE2 mode EIA 530 NRZ NRZI and DTE mode All serial interfaces use the DB 60 connector at the chassis Console port Asynchronous serial RJ45 Operating environment 32 through 104 F 0 through 40 C Nonoperating temperature 40 through 185 F 40 through ...

Page 16: ...ystem software image Boot ROM memory Stores a subset of the operating system software image that is called the system bootstrap image or the bootstrap program or ROM monitor The system bootstrap image allows you to boot the router when Flash memory does not contain a valid system image The boot ROM prompt follows Router boot The bootstrap program ROM monitor prompt is the greater than sign which d...

Page 17: ...ce ports to store packets and is called shared or packet memory When a DRAM SIMM is installed in the DRAM SIMM socket all of the DRAM memory on this SIMM becomes primary memory for the CPU and the 2 MB of DRAM that is permanent on the board becomes shared memory 2 The ENTERPRISE router ships with 8 MB of System code memory Table 2 2 Memory Configurations Memory Type Memory Capacity Primary memory ...

Page 18: ...ollo Domain PUP and CHAOSnet The DESKTOP software set supports IP Novell IPX DECnet IV AppleTalk Phase 1 and 2 and bridging The IP software set supports IP and bridging protocols All CRBRIM W T models are shipped with Frame Relay and X 25 software that offers efficient remote site access to packet switched networks CRBRIM W T models configured for either DESKTOP or ENTERPRISE Routing Software are ...

Page 19: ...reventing Electrostatic Discharge Damage Electrostatic discharge ESD damages equipment and impairs electrical circuitry It occurs when electronic components are improperly handled and causes complete or intermittent failures Follow ESD prevention procedures when handling electronic components Ensure that the chassis is electrically connected to earth ground Wear an ESD wrist strap ensuring that it...

Page 20: ...s the default and is recommended for optimum performance of the router 3 3 Distance Limitations When setting up your router consider distance limitations and potential electromagnetic interference EMI as defined by the Electronic Industries Association EIA Following are the distance limitation specifications for serial interfaces 3 3 1 Serial Connections As with all signaling systems RS 232 signal...

Page 21: ... Table 3 1 IEEE Standard RS 232 Transmission Speed Versus Distance Baud Rate Distance Feet Distance Meters 2400 200 60 4800 100 30 9600 50 15 19200 25 7 6 38400 12 3 7 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 3 1 ...

Page 22: ...nsmitters can destroy the RS 232 drivers and receivers in the server If you use twisted pair cables with a good distribution of grounding conductors in your plant cabling emitted radio interference is unlikely If you exceed the maximum distances ground the conductor for each data signal however this practice is not recommended Table 3 2 IEEE Standard RS 449 Transmission Speed Versus Distance Baud ...

Page 23: ...ict and remedy strong electromagnetic interference consult experts in radio frequency interference RFI 3 5 Console Considerations Before connecting the console port read the following section 3 5 1 Console Port Connections Each router system includes an RJ45 console asynchronous serial port wired as a data communications equipment DCE device This port connects to a terminal using an RJ45 to DB 25 ...

Page 24: ...nd See Appendix A for cable specifications For ordering information contact Cabletron Systems Technical Support 3 7 Inspecting the System Do not unpack the CRBRIM W T until you are prepared to install it If the final installation site will not be ready for some time keep the module in its shipping container to prevent accidental damage The CRBRIM W T package includes the following CRBRIM W T modul...

Page 25: ...e CRBRIM W T ESD preventive wrist strap 1 Token Ring RJ45 connector cable included in your CRBRIM W T package 2 faceplate screws 2 support post screws included in your BRIM package 1 Phillips screwdriver One interface cable for each interface you require In addition you might need the following external equipment Channel service unit digital service unit CSU DSU for the serial interfaces Modem for...

Page 26: ...s to be installed Note each cable to port connection 3 Attach the disposable grounding strap to your wrist and to a proper ground refer to the instructions outlined on the grounding strap package Cabletron supplies a user installable 4 megabyte DRAM SIMM with CRBRIM W T models configured for DESKTOP or ENTERPRISE routing software Install the DRAM SIMM before installing the CRBRIM W T into your MMA...

Page 27: ...s facing up See Figure 4 1 6 Remove the BRIM coverplate screws and the coverplate 7 Remove BRIM standoff screws 8 Place your CRBRIM W T behind the MIM faceplate See Figure 4 2 Figure 4 1 Removing the Coverplate 9 Insert the connector pins of the CRBRIM W T into the motherboard connector on the MIM 10 Press down firmly on the back of the BRIM until the pins slide all the way into the connector hole...

Page 28: ...ug one end of the Token Ring cable into the RJ45 connector located on the back of the CRBRIM W T See Figure 4 3 13 Plug the other end of the cable into the internal RJ45 connector labeled BRIM on the MIM RESET TP TR PWR SYS RESET S1 S0 CONSOLE S1 S0 Ensure that the standoffs on the MIM align with the standoff screw holes on the CRBRIM W T NOTE ...

Page 29: ...Installing the CRBRIM W T 14 Reinstall the MIM in the MMAC 15 Reattach all MMAC power cords 16 Reattach the network cabling to the MIM CRBRIM W T Token Ring RJ45 Cable Front Panel Rear Panel Refer to your specific MIM documentation for the location of the internal RJ45 Token Ring connector NOTE ...

Page 30: ... BRIM behind the hub face plate See Figure 4 2 5 Insert the connector pins of the BRIM into the hub s mother board connector 6 Press down firmly on the back of the BRIM until the pins slide all the way into the connector holes 7 Reinstall the faceplate mounting screws and install the support post screws The CRBRIM W T and the host hub are sensitive to static discharges Ensure that you use a ground...

Page 31: ...making external connections to the CRBRIM W T with the following connectors Synchronous serial DB 60 connectors Console RJ45 1 Connect a serial port on the CRBRIM W T to the modem or CSU DSU with the appropriate serial transition cable See Appendix A Be certain to connect the 60 pin serial port connector end of the cable to the CRBRIM W T 2 The console port on the faceplate of the CRBRIM W T uses ...

Page 32: ...ule out the CRBRIM W T system as the problem source Whether or not you can locate the source of your problem contact a service representative for information on how to proceed in resolving the problem Before you call have the following information ready Serial number Software version level and hardware configuration System software configuration Brief description of the problem you are having Brie...

Page 33: ...ce A network interface is recognized but it will not initialize check the interface cable connection System will not boot properly or constantly intermittently reboots suspect the processor or software System boots but console screen is frozen Check the external console connection Verify the console baud rate in the terminal documentation System powers on and boots with a particular interface disc...

Page 34: ... is OK LED OFF indicates system failure PWR green LED ON indicates power is ON LED OFF indicates power is OFF TR yellow LED ON indicates Token Ring is active LED OFF indicates no traffic on Ring S0 yellow LED ON indicates WAN S0 is active LED OFF indicates no trafffic on WAN S1 yellow LED ON indicates WAN S1 is active LED OFF indicates no trafffic on WAN TR PWR SYS RESET S1 S0 CONSOLE S1 S0 ...

Page 35: ...ner on the console screen Primary and shared memory are 1 MB each of the dynamic random access memory DRAM on the system board After booting up your system s primary memory is indicated in the system banner The following example shows a system with 1 MB 1024 KB of primary memory The system does not display shared memory System Bootstrap Version 2 1 SOFTWARE Copyright c 1986 1994 by cisco Systems 2...

Page 36: ...to 4 or 16 MB DRAM the 4 MB upgrade kit includes one 4 MB x 72 pin DRAM SIMM and the 16 MB kit includes one 16 MB x 72 pin DRAM SIMM As primary memory is expanded to 4 or 16 MB SIMMs the 2 MB of permanent memory is allocated as shared memory The location of the DRAM SIMM on your CRBRIM W T is shown in Figure 6 1 Figure 6 1 SIMM Location on the CRBRIM W T DRAM SIMM Slot System FLASH SIMM Slot CRBRI...

Page 37: ...stems 2500 processor with 4096 Kbytes of main memory or 16384 kbytes for 16 MB upgrade 6 1 4 DRAM SIMM Installation Following is the procedure for installing DRAM SIMMs 1 Attach an ESD preventive wrist strap 2 Turn the BRIM so the DRAM SIMM socket is toward you 3 Remove the existing DRAM SIMM by pulling outward on the connectors to unlatch them Be careful not to break the holders on the SIMM conne...

Page 38: ...end of the SIMM socket 5 Insert the new DRAM SIMM by sliding the edge with the metal fingers into the SIMM connector socket at a slight angle to the socket Gently rock the SIMM back into place until the latch on either side snaps into place Do not use excessive force or the connector could break 6 Connect the CRBRIM W T to a console terminal CRBRIM W T Faceplate SIMM Socket DRAM SIMM Polarization ...

Page 39: ...r upgrading the system code Flash or PROM SIMMs 1 Attach an ESD preventive wrist strap 2 Turn the CRBRIM W T so that the system board is in the position shown in Figure 6 3 with the system code SIMM toward you 3 Locate the system code SIMMs on the CRBRIM W T See Figure 6 1 4 Remove the existing system code SIMM by pulling outward on the connectors to unlatch them The connector holds the SIMM tight...

Page 40: ...s into the SIMM connector socket at a slight angle to the system socket Gently rock the SIMM back into place until the latch on either side snaps into place Do not use excessive force or the connector could break CRBRIM W T Faceplate System SIMM Socket System FLASH SIMM Polarization Notch System SIMM Installed Some Flash SIMMs have the components mounted on the rear side therefore when inserting t...

Page 41: ...oot from ROM Enter the privileged mode in the system bootstrap program Enter the show configuration command to display the enable password Change the configuration register value back to its original setting To recover a lost password follow this procedure 1 Attach an ASCII terminal to the BRIM console port see Chapter 3 Section 3 5 Console Port Connections 2 Configure the terminal to operate at 9...

Page 42: ...M W T by entering the i command as follows i The CRBRIM W T will power cycle the configuration register will be set to 0x141 and the CRBRIM W T will boot the boot ROM system image and prompt you with the system configuration dialog as follows System Configuration Dialog 8 Enter no in response to the system configuration dialog prompts until the following system message is displayed Press RETURN to...

Page 43: ...ation commands one per line Edit with DELETE CTRL W and CTRL U end with CTRL Z 13 Using the config reg Oxvalue command change the configuration register value back to its original value from step 3 or change it to a value of Ox102 which in the absence of a boot system command in the configuration file causes the router to boot from Flash memory 14 Exit configuration mode by entering Ctrl Z 15 Rebo...

Page 44: ...page A 10 V 35 synchronous serial DTE Table A 7 page A 11 V 35 synchronous serial DCE Table A 8 page A 13 X 21 synchronous serial DTE Table A 9 page A 15 X 21 synchronous serial DCE Table A 10 page A 16 Due to the small pins on the DB 60 connector used for the serial cables manufacturing and soldering these cables yourself might be very difficult and is not recommended Use the cable assembly drawi...

Page 45: ... for connection to modems and other external communications equipment Following are the pinouts for the console port and adapter see Table A 1 1 Any pin not referenced is not connected Table A 1 Console Port Pinouts RJ45 to DB 25 Female Console Port DCE RJ45 to DB 25 Adapter Pin1 Signal Input Output Pin Signal Pin 1 RxD Output 1 RxD 3 2 DTR Input 2 DTR 20 3 3 4 TxD Input 4 TxD 2 5 GND 5 GND 7 6 CT...

Page 46: ...the EIA 530 DCE and RS 232 RS 449 V 35 and X 21 DTE and DCE cables A 2 1 EIA 530 Figure A 1 shows the EIA 530 serial cable assembly and Table A 2 lists the pinouts Arrows indicate signal direction indicates DTE to DCE and indicates DCE to DTE Figure A 1 EIA 530 Cable Assembly H1972 60 pin connector 25 pin connector Connectors are not to scale J2 13 J2 25 J2 14 J2 1 J1 46 J1 45 J1 16 J1 15 J1 1 J1 ...

Page 47: ... CF A DCD CF B DCD J1 28 J1 27 RxD TxD RxD TxD J2 3 J2 16 BB A RxD BB B RxD J1 24 J1 23 TxC RxC TxC RxC J2 15 J2 12 DB A TxC DB B TxC J1 9 J1 10 RTS CTS RTS CTS J2 4 J2 19 CA A RTS CA B RTS J1 26 J1 25 RxC TxCE RxC TxCE J2 17 J2 9 DD A RxC DD B RxC J1 1 J1 2 CTS RTS CTS RTS J2 5 J2 13 CB A CTS CB B CTS J1 44 J1 45 LL DCD Circuit_GND J2 18 J2 7 LL Circuit_GND J1 3 J1 4 DSR DTR DSR DTR J2 6 J2 22 CC...

Page 48: ... 232 Cable Assembly Table A 3 RS 232 DTE Cable Pinout DB 60 to DB 25 60 Pin1 Signal Note Direction 25 Pin Signal J1 50 J1 51 J1 52 MODE_0 GND MODE_DCE Shorting Group J1 46 Shield GND Single J2 1 Shield GND J1 41 Shield TxD RxD Twisted pair no 5 J2 2 Shield TxD J1 36 Shield RxD TxD Twisted pair no 9 J2 3 Shield RxD J1 42 Shield RTS CTS Twisted pair no 4 J2 4 Shield RTS H1972 60 pin connector 25 pin...

Page 49: ...eld Circuit GND J1 33 Shield DCD LL Twisted pair no 12 J2 8 Shield DCD J1 37 Shield TxC NIL Twisted pair no 8 J2 15 Shield TxC J1 38 Shield RxC TxCE Twisted pair no 7 J2 17 Shield RxC J1 44 Shield LL DCD Twisted pair no 2 J2 18 Shield LTST J1 43 Shield DTR DSR Twisted pair no 3 J2 20 Shield DTR J1 39 Shield TxCE TxC Twisted pair no 6 J2 24 Shield TxCE Table A 3 RS 232 DTE Cable Pinout DB 60 to DB ...

Page 50: ...r no 5 J2 3 Shield RxD J1 35 Shield CTS RTS Twisted pair no 10 J2 4 Shield RTS J1 42 Shield RTS CTS Twisted pair no 4 J2 5 Shield CTS J1 43 Shield DTR DSR Twisted pair no 3 J2 6 Shield DSR J1 45 Shield Circuit GND Twisted pair no 1 J2 7 Shield Circuit GND J1 44 Shield LL DCD Twisted pair no 2 J2 8 Shield DCD J1 39 Shield TxCE TxC Twisted pair no 7 J2 15 Shield TxC J1 40 Shield NIL RxC Twisted pair...

Page 51: ...able A 5 RS 449 DTE Cable Pinout DB 60 to DB 37 60 Pin1 Signal Note Direction 37 Pin Signal J1 49 J1 48 MODE_1 GND Shorting Group J1 51 J1 52 GND MODE_DCE Shorting Group J1 46 Shield_GND Single _ J2 1 Shield GND J1 11 J1 12 TxD RxD TxD RxD Twisted pair no 6 J2 4 J2 22 SD SD J1 24 J1 23 TxC RxC TxC RxC Twisted pair no 9 J2 5 J2 23 ST ST H1973 60 pin connector J1 37 pin connector J2 Connectors are n...

Page 52: ...TS CTS RTS Twisted pair no 1 J2 9 J2 27 CS CS J1 44 J1 45 LL DCD Circuit_GND Twisted pair no 12 _ J2 10 J2 37 LL SC J1 3 J1 4 DSR DTR DSR DTR Twisted pair no 2 J2 11 J2 29 DM DM J1 7 J1 8 DTR DSR DTR DSR Twisted pair no 4 J2 12 J2 30 TR TR J1 5 J1 6 DCD DCD DCD DCD Twisted pair no 3 J2 13 J2 31 RR RR J1 13 J1 14 TxCE TxC TxCE TxC Twisted pair no 7 J2 17 J2 35 TT TT J1 15 J1 16 Circuit_GND Circuit_...

Page 53: ...D Twisted pair no 6 J2 6 J2 24 RD RD J1 1 J1 2 CTS RTS CTS RTS Twisted pair no 1 J2 7 J2 25 RS RS J1 24 J1 23 TxC RxC TxC RxC Twisted pair no 9 J2 8 J2 26 RT RT J1 9 J1 10 RTS CTS RTS CTS Twisted pair no 5 J2 9 J2 27 CS CS J1 29 J1 30 NIL LL Circuit_GND Twisted pair no 12 J2 10 J2 37 LL SC J1 7 J1 8 DTR DSR DTR DSR Twisted pair no 4 J2 11 J2 29 DM DM J1 3 J1 4 DSR DTR DSR DTR Twisted pair no 2 J2 ...

Page 54: ... A 4 V 35 Cable Assembly Table A 7 V 35 DTE Cable Pinout DB 60 to Winchester Type 34 Pin 60 Pin1 Signal Note Direction 34 Pin Signal J1 49 J1 48 MODE_1 GND Shorting Group J1 50 J1 51 J1 52 MODE_0 GND MODE_DCE Shorting Group J1 53 J1 54 J1 55 J1 56 TxC NIL RxC_TxCE RxD TxD GND Shorting Group J1 46 Shield_GND Single J2 A Frame GND H1975 J1 46 J1 45 J1 16 J1 15 J1 1 J1 30 J1 31 J1 60 Connectors are n...

Page 55: ...2 F Shield RLSD J1 43 Shield DTR DSR Twisted pair no 10 J2 H Shield DTR J1 44 Shield LL DCD Twisted pair no 11 J2 K Shield LT J1 18 J1 17 TxD RxD TxD RxD Twisted pair no 1 J2 P J2 S SD SD J1 28 J1 27 RxD TxD RxD TxD Twisted pair no 5 J2 R J2 T RD RD J1 20 J1 19 TxCE TxC TxCE TxC Twisted pair no 2 J2 U J2 W SCTE SCTE J1 26 J1 25 RxC TxCE RxC TxCE Twisted pair no 4 J2 V J2 X SCR SCR J1 24 J1 23 TxC ...

Page 56: ...Shield_GND Single J2 A Frame GND J1 45 Shield Circuit_GND Twisted pair no 12 J2 B Shield Circuit GND J1 35 Shield CTS RTS Twisted pair no 8 J2 C Shield RTS J1 42 Shield RTS CTS Twisted pair no 9 J2 D Shield CTS J1 43 Shield DTR DSR Twisted pair no 10 J2 E Shield DSR J1 44 Shield LL DCD Twisted pair no 11 J2 F Shield RLSD J1 34 Shield DSR DTR Twisted pair no 7 J2 H Shield DTR J1 33 Shield DCD LL Tw...

Page 57: ...t referenced is not connected J1 26 J1 25 RxC TxCE RxC TxCE Twisted pair no 4 J2 U J2 W SCTE SCTE J1 22 J1 21 NIL RxC NIL RxC Twisted pair no 3 J2 V J2 X SCR SCR J1 20 J1 19 TxCE TxC TxCE TxC Twisted pair no 2 J2 Y J2 AA SCT SCT Table A 8 V 35 DCE Cable Pinout DB 60 to Winchester Type 34 Pin Continued 60 Pin1 Signal Note Direction 34 Pin Signal H1974 60 pin connector J1 15 pin connector J2 Connect...

Page 58: ... Shorting Group J1 46 Shield_GND Single J2 1 Shield GND J1 11 J1 12 TxD RxD TxD RxD Twisted pair no 3 J2 2 J2 9 Transmit Transmit J1 9 J1 10 RTS CTS RTS CTS Twisted pair no 2 J2 3 J2 10 Control Control J1 28 J1 27 RxD TxD RxD TxD Twisted pair no 6 J2 4 J2 11 Receive Receive J1 1 J1 2 CTS RTS CTS RTS Twisted pair no 1 J2 5 J2 12 Indication Indication J1 26 J1 25 RxC TxCE RxC TxCE Twisted pair no 5 ...

Page 59: ...2 1 Shield GND J1 28 J1 27 RxD TxD RxD TxD Twisted pair no 6 J2 2 J2 9 Transmit Transmit J1 1 J1 2 CTS RTS CTS RTS Twisted pair no 1 J2 3 J2 10 Control Control J1 11 J1 12 TxD RxD TxD RxD Twisted pair no 3 J2 4 J2 11 Receive Receive J1 9 J1 10 RTS CTS RTS CTS Twisted pair no 2 J2 5 J2 12 Indication Indication J1 24 J1 23 TxC RxC TxC RxC Twisted pair no 4 J2 6 J2 13 Timing Timing J1 15 Shield Contr...

Page 60: ...gs for broadcast address destination System console terminal baud rate settings Enabling booting from Flash Copying to Flash B 1 Virtual Configuration Register Settings The CRBRIM W T has a 16 bit virtual configuration register which is written into the nonvolatile random access memory NVRAM Some reasons for changing the virtual configuration register settings are Set and display the configuration...

Page 61: ...000F Boot field see Table B 2 06 0x0040 Causes system software to ignore NVRAM contents 07 0x0080 OEM bit enabled 08 0x0100 Break disabled 10 0x0400 IP broadcast with all zeros 11 to 12 0x0800 to 0x1000 Console line speed 13 0x2000 Boot default ROM software if network boot fails 14 0x4000 IP broadcasts do not have net numbers 15 0x8000 Enable diagnostic messages and ignore NVRAM contents To avoid ...

Page 62: ...ally from the system bootstrap software boot ROM image or from its system image in Flash memory and read any boot system commands that are stored in the configuration file in NVRAM If the CRBRIM W T finds no boot system commands it uses the configuration register value to form a filename from which to netboot a default system image stored on a network server See Table B 3 Table B 2 Explanation of ...

Page 63: ... by 0x see Table B 1 as in the following config register 0xvalue The virtual configuration register is stored in nonvolatile memory 4 Exit the configuration mode by entering Ctrl Z The new value settings will be saved to memory however the new settings do not take effect until the system software is reloaded by rebooting the CRBRIM W T 5 To display the configuration register value currently in eff...

Page 64: ...ducts Configuration and Reference Guides If you set the boot field value to a value of 0x2 through 0xF and there is a valid system boot command stored in the configuration file then the CRBRIM W T boots the system software as directed by that value If you set the boot field to any other bit pattern the CRBRIM W T uses the resulting number to form a default boot filename for netbooting See Table B ...

Page 65: ...cisco2 igs 0 0 1 0 cisco3 igs 0 0 1 1 cisco4 igs 0 1 0 0 cisco5 igs 0 1 0 1 cisco6 igs 0 1 1 0 cisco7 igs 0 1 1 1 cisco10 igs 1 0 0 0 cisco11 igs 1 0 0 1 cisco12 igs 1 0 1 0 cisco13 igs 1 0 1 1 cisco14 igs 1 1 0 0 cisco15 igs 1 1 0 1 cisco16 igs 1 1 1 0 cisco17 igs 1 1 1 1 A boot system command in the router configuration in NVRAM overrides the default netboot filename NOTES ...

Page 66: ...g bit 10 causes the processor to use all zeros clearing bit 10 the factory default causes the processor to use all ones Bit 10 interacts with bit 14 which controls the network and subnet portions of the broadcast address Table B 4 shows the combined effect of bits 10 and 14 Bits 11 and 12 in the configuration register determine the baud rate of the console terminal Table B 5 shows the bit settings...

Page 67: ... from which to boot enter the configure terminal command at the enable prompt as in the example following Router configure terminal Enter configuration commands one per line Edit with DELETE CTRL W and CTRL U end with CTRL Z boot system flash filename To disable break and enable the boot system flash command enter the config register command with the value shown in the example following Router con...

Page 68: ...ter boot field bits 3 2 1 and 0 to zero you can start the server in standalone bootstrap mode The bootstrap mode prompt is an angle bracket To enable the Break key and to default to booting in the bootstrap mode at the bootstrap prompt set the configuration register to 0x0 by entering the following o r 0x0 See Table C 1 for an explanation of the o r command While running the system software you ca...

Page 69: ...ocation L with modifier M E S M LExamine location L with size S with modifier M G address Begin execution HHelp for commands IInitialize KDisplays Stack trace L filename TFTP Server IP address TFTP Server Name Load system image from ROM or from TFTP server but do not begin execution OShow software configuration register option settings PSet break point SSingle step next instruction T functionTest ...

Page 70: ... or booting from anywhere enter the o r 0x0 command Continue The c command allows you to exit the bootstrap mode without rebooting the router after you press the Break key while running the system software image Help The h command prints a summary of the bootstrap commands to the console screen This is the same output produced by entering Initialize The i command causes the bootstrap program to re...

Page 71: ...tual configuration register currently in effect with a description of the bits o r Resets the virtual configuration register as follows 9600 baud console UART speed Break abort has no effect Ignore the system configuration in NVRAM Boot from ROM o r 0xvalue Sets the virtual configuration register to the hex value value To enable the router to read the nonvolatile RAM configuration clear the ignore...

Page 72: ...m of ten minutes If the program encounters memory problems it displays appropriate error messages on the console terminal Be sure to reinitialize the processor before booting the system by entering i at the bootstrap prompt C 1 2 Running the Diagnostics Follow these steps to run the bootstrap diagnostics 1 Turn OFF the router 2 Restart the router 3 Within 60 seconds press the Break key on the cons...

Page 73: ...exiting C 3 prompt C 1 stack trace system software C 3 Break key interrupt B 7 C 1 broadcast address destination configuration register settings B 7 C c command continue C 3 cable assemblies A 2 A 16 distance limitations 3 2 Ethernet preparing connections 3 5 pinouts EIA 530 A 3 RS 232 A 5 RS 449 A 8 V 35 A 11 X 21 A 14 serial connections 4 7 preparing connections 3 6 specifications A 1 twisted pa...

Page 74: ...tting C 3 settings changing B 3 displaying C 4 connections serial interface ports 4 7 connections external 4 7 connectors cables A 3 A 16 console port cable considerations 3 2 pinout and signals A 2 settings 3 5 B 7 conventions publication 1 3 copying to Flash B 8 CRBRIM W T installation 4 2 CSU DSU connections serial ports 4 7 D data communications equipment See DCE data terminal equipment See DT...

Page 75: ... C 3 Help 1 5 humidity specification 2 2 I i command initialize and reboot 6 8 C 3 ignore NVRAM contents C 4 indicators LED 5 2 Installation Installing a BRIM in a Hub 4 6 installation DRAM SIMMs 6 3 parts and equipment required 4 1 preparations 3 1 system code SIMMs 6 5 interface pinouts EIA 530 A 3 RS 232 A 5 RS 449 A 8 V 35 A 11 X 21 A 14 interference considerations 3 4 K k command display stac...

Page 76: ...ecovering from a lost password 6 7 replacing system code SIMMs 6 5 running diagnostics C 5 processor specification 2 2 programmable read only memory See PROM PROM replacement procedure 6 5 R radio frequency interference See RFI reading LED indicators 5 2 recovering a lost password 6 7 reinitializing hardware C 3 reload command B 4 replacing DRAM SIMMs 6 3 Flash memory SIMMs 6 5 resetting virtual c...

Page 77: ...5 OK LED 5 2 overview 2 1 software booting from Flash B 8 displaying stack trace C 3 replacing SIMMs 6 5 specifications 2 2 troubleshooting 5 1 System Code from FLASH 3 2 T t command test C 4 temperature specification 2 2 tools required for DRAM SIMM replacement 6 2 for installation 4 1 for system code SIMM replacement 6 5 twisted pair cable interference considerations 3 4 V V 35 distance limitati...

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