Troubleshooting Power Problems; Troubleshooting Cards - Northern Telecom Meridian 1 Installation And Maintenance Manual

Troubleshooting power problems

If the power fails or if the Meridian Companion system is disconnected, all
Configuration and Administration data is retained for 72 hours. Check the
following if you experience a power failure:
Table 38 : Power troubleshooting
After 72 hours without power, the system may lose its SSN and you will have
to obtain a Regression Code to restore wireless communication. See "Entering
codes for system replacement and recovery" on page 166.

Troubleshooting cards

Troubleshoot cards using visual inspection and Meridian Companion
maintenance.
1.
2.
3.
4.
Symptom
Entire system is not
working.
LEDs on one Base Station
are off.
LEDs on multiple Base
Stations are off.
Verify that LEDs are functioning properly as described in "Normal card
LED behavior" on page 174.
Check the status of the cards as described in "Card Status" on page 130.
Disable, then enable any suspicious card using the procedure described
in "Card Status" on page 130.
Repeat as necessary.
Meridian Companion Installation and Maintenance Guide
Troubleshooting Page 173 of 220
Possible problem and solution
Make sure the IPE Module has power.
The Base Station or its power source may
be defective. See "Troubleshooting a Base
Station" on page 177.
An RPI may be defective. See
"Troubleshooting a remote power
interconnect unit" on page 178.