Troubleshooting A Base Station Module - Nortel Meridian Companion Installation And Maintenance Manual

135 Troubleshooting

Troubleshooting a Base Station Module

COMPANION 200 Installation and Maintenance Guide
5. Check the access line by terminating a single line telephone
directly on the distribution frame (or equivalent) that connects to
the Line Module.
If the problem persists, follow as many of the next steps as are
required to solve the problem:
1. If ac power is present and the light indicator on the Line Module
is OFF, replace the Line Module.
2. Replace the fiber cable.
3. Replace the Line Cartridge.
4. Replace the appropriate Expansion Cartridge.
5. Replace the Controller.
To troubleshoot the Base Station Module, follow these steps:
1. See "General troubleshooting procedures."
2. Ensure that the Base Station Module is not disabled (see
"Module Status" in the Maintenance section).
3. Check the port status to confirm that the Base Station Module is
visible on that port (see "Checking the state of a port" in the
Maintenance section).
4. Unplug and replug the RJ21 connector.
5. Verify the TCM connections to the Base Stations.
6. Verify the power connections to the Base Stations.
7. Disable and then enable the Base Station Module (see "Module
status" in the Maintenance section).
8. If the Base Station Module is still down, power down, then
power up the Controller.
If the problem persists, follow as many of the next steps as required
to solve the problem:
1. If ac power is present and the light indicator on the Base Station
Module is OFF, replace the Base Station Module.
2. Replace the fiber cable.
3. Replace the appropriate Expansion Cartridge.
4. Replace the Controller.
P0725810 Issue 3.0