Red Alarm Inquiry Test (#140); Loss Of Multiframe Alarm - Avaya G700 Maintenance Manual

6 Avaya MultiVantage Software-Controlled Maintenance:

Red Alarm Inquiry Test (#140)

A DS1-MM Interface Media Module raises a Red alarm when the framing pattern of the incoming
DS1 bit stream has been lost. The Red Alarm Inquiry Test checks the framing status of a DS1-MM
Interface Media Module. A DS1-MM Interface Media Module takes 3 seconds to recognize and
report a Red alarm and 10 seconds to recognize and report the resolution of a Red alarm.
When the DS1-MM Interface Media Module detects a Red alarm, the Media Module transmits a
Yellow alarm to the remote DS1 endpoint and sends a RED ALARM message to the maintenance
software. After the Red alarm is confirmed, the maintenance software places all trunks or ports of the
Media Module into the out-of-service state. The inquiry test runs every 10 minutes until the Red
alarm is cleared.
When the Red alarm is cleared, the DS1-MM Interface Media Module stops transmitting the Yellow
alarm to the remote DS1 endpoint. The maintenance software restores all trunks or ports of the DS1-
MM Interface Media Module to the service state it was in before the Red alarm occurred.

Loss of Multiframe Alarm

If the DS1-MM Interface Media Module is administered using DMI-BOS signaling, the DS1-MM
Interface Media Module raises a Loss of Multiframe Alarm (LMA) when it cannot interpret the
incoming signaling bits to synchronize to the multiframe pattern received in the 24th channel. Once
the DS1-MM Interface Media Module detects an LMA, the Media Module transmits a Remote
Multiframe Alarm (RMA) to the remote DS1 endpoint. Maintenance software handles both Red
alarm and LMA alarm(s) using the same mechanism.
Table 67. TEST #140 Red Alarm Inquiry Test
Error Test
Code Result
ABORT
218
Description/ Recommendation
Internal system error
Retry the command at 1-minute intervals a maximum of 5 times.
MG-DS1 (DS1 Interface Media Module)
Maintenance for S8300/S8700 and G700
555-234-101 — Issue 2 — October 2002
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