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BCM50 Troubleshooting Guide
Task List
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Initial Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Hardware Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
To verify the keycodes using Element Manager............................................................25
To verify the keycodes using Telset ..............................................................................26
To restart the system.....................................................................................................27
To test the main unit ......................................................................................................28
To troubleshoot the main unit ........................................................................................28
To test the expansion unit .............................................................................................29
To troubleshoot the expansion unit ...............................................................................29
To test the MBM ............................................................................................................30
To test a station MBM....................................................................................................30
To test a trunk MBM ......................................................................................................30
To determine why an MBM does not appear in Element Manager ...............................30
To determine why the ATA 2 does not function.............................................................31
To determine why there is no dial tone at the ATA2......................................................31
To check the ATA2 wiring..............................................................................................31
To perform a Level 1 and Level 2 reset.........................................................................33
Software Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
To check line programming ...........................................................................................38
To restore data from an archive ....................................................................................46
To restore the factory configuration...............................................................................47
To view the BCM50 software inventory .........................................................................48
To obtain updates from the Nortel Technical Support Web page..................................49
Advanced Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Troubleshooting example 1 ...........................................................................................51
Troubleshooting example 2 ...........................................................................................55
Troubleshooting example 3 ...........................................................................................60
Troubleshooting example 4 ...........................................................................................62
Troubleshooting example 5 ...........................................................................................63
Troubleshooting example 6 ...........................................................................................68
Downloading Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
To download software from the BCM50 webpage.........................................................70
Troubleshooting Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Understanding system messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
To set Release Reasons ...............................................................................................75
Useful Troubleshooting Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
To use the Knowledge and Solution Engine..................................................................78
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