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Communication Manager Maintenance-Object Repair Procedures
1606 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Loss of Signal Alarm Inquiry Test (#138)
This test verifies the synchronization status, echo cancellation, and continuity of the DS1 link.
The Loss of Signal alarm indicates that the MM710 Interface Media Module is unable to derive
the synchronization clock from the DS1 facility. When the MM710 Interface Media Module
detects a Loss of Signal alarm, it stops providing the synchronization clock for the system, if it is
administered as a timing source, and transmits a Yellow alarm to the remote DS1 endpoint.
Note:
Note: Synchronization is not administered from the SAT. It is administered through a
CLI session with the G700 Media Gateway Processor.
When the Loss of Signal alarm is confirmed, maintenance software places all trunks or ports of
the MM710 Interface Media Module into the out-of-service state. The inquiry test will run every
10 minutes until the loss of signal has been restored.
The MM710 Interface Media Module raises a Loss of Signal alarm after the signal has been lost
for about 1 second. It will not retire the alarm until the signal has returned for about 10 seconds.
PASS The Media Module initializes correctly.
1. Run the Short Test Sequence.
Any NO
BOARD
The test could not relate the internal ID to the port (no board). This could
be due to incorrect translations, no board is inserted, an incorrect board
is inserted, or an insane board is inserted.
1. Ensure that the board translations are correct. Execute the add ds1
location command to administer the MM710 interface if it is not
already administered.
2. If the board was already administered correctly, check the error log to
determine whether the board is hyperactive. If this is the case, the
board is shut down. Reseating the board will re-initialize the board.
3. If the board was found to be correctly inserted in step 1, then enter
the busyout board location command.
4. Enter the reset board location command.
5. Enter the release board location command.
6. Enter the test board location long command.
This should re-establish the linkage between the internal ID and the port.
Table 591: Test #53 SAKI Sanity Test (continued)
Error
Code
Test
Result
Description/ Recommendation
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