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BCM 5.0 Troubleshooting Guide
Task List
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Initial Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Hardware Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
To verify the keycodes using Element Manager............................................................28
To verify the keycodes using Telset ..............................................................................28
To restart the system.....................................................................................................29
Viewing the POST log file..............................................................................................31
To test the main unit ......................................................................................................33
To troubleshoot the main unit ........................................................................................33
To test the expansion unit .............................................................................................34
To troubleshoot the expansion unit ...............................................................................34
Testing an MBM ............................................................................................................35
Determining why a BCM450 MBM does not appear in Element Manager ....................35
Determining why a BCM50 MBM does not appear in Element Manager ......................36
Troubleshooting the FEM on the BCM450 ....................................................................36
To determine why the ATA 2 does not function.............................................................36
To determine why there is no dial tone at the ATA2......................................................37
To check the ATA2 wiring..............................................................................................37
To perform a Level 1 reset (configuration reset) ...........................................................41
To perform a Level 2 reset (software reset) ..................................................................41
Software Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
To check line programming ...........................................................................................44
To restore data from an archive ....................................................................................52
To restore the factory configuration ...............................................................................53
To view the BCM software inventory .............................................................................54
To obtain updates from the Nortel Technical Support Web page..................................54
Advanced Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Troubleshooting example 1 ...........................................................................................55
Troubleshooting example 2 ...........................................................................................57
Troubleshooting example 3a .........................................................................................64
Troubleshooting example 3b .........................................................................................64
Troubleshooting example 4 ...........................................................................................65
Troubleshooting example 5 ...........................................................................................66
Troubleshooting example 6 ...........................................................................................71
Troubleshooting example 7 ...........................................................................................71
Recovery trees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Downloading Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
To download software from the BCM Web page...........................................................82
Troubleshooting Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Accessing the CLI through a serial connection .............................................................85