Cabletron Systems NBR-220 Network Router User Manual


 
Contents
vi NBR-SERIES Installation Guide
CHAPTER 4 TROUBLESHOOTING
4.1 Using LANVIEW...........................................................................4-1
4.2 Troubleshooting Checklist............................................................4-4
4.3 Using the LCD..............................................................................4-6
4.3.1 Unsaved Initialization Messages.....................................4-7
4.3.2 Static System Messages.................................................4-7
4.3.3 Alarm Messages..............................................................4-9
4.3.4 Saved System Messages..............................................4-10
4.3.5 Failure or Error Messages.............................................4-12
4.4 Using the RESET Button ...........................................................4-12
APPENDIX A NBR SPECIFICATIONS
A.1 Operating Specifications............................................................. A-1
A.2 COM Port Pinouts....................................................................... A-2
A.3 Physical Properties ..................................................................... A-3
A.4 Environmental Requirements...................................................... A-3
A.5 Certification................................................................................. A-3
A.6 Power Supply Requirements ...................................................... A-3
APPENDIX B EPIM SPECIFICATIONS
B.1 EPIM Specifications.................................................................... B-1
B.2 EPIM-T........................................................................................ B-1
B.3 EPIM-F1/F2................................................................................. B-2
B.4 EPIM-F3...................................................................................... B-3
B.5 EPIM-C ....................................................................................... B-5
B.6 EPIM-A and EPIM-X ................................................................... B-6
APPENDIX C NETWORK PLANNING AND CONFIGURATION
C.1 Network Cable Requirements..................................................... C-1
C.1.1 10BASE-T Twisted Pair Network....................................C-1
C.1.2 Multimode Fiber Optic Network ......................................C-3
C.1.3 Single Mode Fiber Optic Network...................................C-4
C.1.4 Thin-Net Network............................................................C-5
C.2 Transceiver Requirements..........................................................C-6
C.3 The NBR as a Multiport Router...................................................C-6
C.4 The NBR-420/NBR-620 and BRIMs ...........................................C-6