3
Task List
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Initial Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Hardware Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
To verify the keycodes using Element Manager | 24 |
To verify the keycodes using Telset | 25 |
To restart the system | 26 |
Viewing the POST log file | 27 |
To test the main unit | 29 |
To troubleshoot the main unit | 29 |
To test the expansion unit | 29 |
To troubleshoot the expansion unit | 30 |
Testing an MBM | 30 |
Troubleshooting the FEM | 31 |
To determine why the ATA 2 does not function | 31 |
To determine why there is no dial tone at the ATA2 | 32 |
To check the ATA2 wiring | 32 |
To perform a Level 1 reset (configuration reset) | 34 |
To perform a Level 2 reset (software reset) | 34 |
Software Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
To check line programming | 38 |
To restore data from an archive | 46 |
To restore the factory configuration | 47 |
To view the BCM450 software inventory | 48 |
To obtain updates from the Nortel Technical Support Web page | 49 |
Advanced Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Troubleshooting example 1 | 51 |
Troubleshooting example 2 | 53 |
Troubleshooting example 3a | 59 |
Troubleshooting example 3b | 59 |
Troubleshooting example 4 | 61 |
Troubleshooting example 5 | 62 |
Troubleshooting example 6 | 67 |
Troubleshooting example 7 | 67 |
Recovery trees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Downloading Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
To download software from the BCM450 webpage | 76 |
Troubleshooting Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Accessing the CLI through a serial connection | 81 |
Accessing the CLI through the OAM port | 81 |
