Avaya G700 Maintenance Manual page 214

6 Avaya MultiVantage Software-Controlled Maintenance:
Table 65. TEST #138 Loss of Signal Alarm Inquiry Test Continued
Error Test
Code Result
FAIL
1400 FAIL
1401 FAIL
PASS
214
Description/ Recommendation
DS1-MM detects a Loss of Signal alarm. The physical link is broken
or the remote DS1 endpoint is down. All trunks or ports of this
MM710 are out-of-service. If the DS1-MM connects to a T1 network
facility:
If the MM710 connects to a T1 facility, call the vendor of the T1
carrier to diagnose the remote DS1 endpoint. If the MM710 Interface
Media Module connects directly to a switch, call the system
technician of the remote switch to diagnose the DS1 endpoint.
If the DS1-MM connects to a line-side terminating device such as a
PRI terminal adapter: Contact the vendor of the line-side terminating
device to diagnose the equipment.
Check the physical connection of the MM710 Interface Media
Module and the cable.
Check the physical connection of the MM710 Interface Media
Module to the terminating device. Check premise distribution system
(or intra-premise wiring) for physical connection failures.
Echo Canceller Function failed, this could be a hardware problem on
the MM710:
Issue the busyout board command.
Issue the test board long command.
Issue the release board command.
If Test 1420 still fails, replace the board.
Echo Canceller Function failed, this could be a hardware problem on
the MM710:
Issue the busyout board command.
Issue the reset board command.
Issue the test board long command.
Issue the release busy board command.
If the test still fails replace the board.
DS1 signal is present and the physical link is healthy.
MG-DS1 (DS1 Interface Media Module)
Maintenance for S8300/S8700 and G700
555-234-101 — Issue 2 — October 2002
2 of 3