NFAS Group Alarm

This alarm is applicable only to products supporting digital PRI interfaces (Mediant 500, Mediant 800, Mediant 1000 and Mediant 3100).

acNFASGroupAlarm

Alarm

acNFASGroupAlarm

OID

1.3.6.1.4.1.5003.9.10.1.21.2.0.84

Default Severity

Major

Source Varbind Text

Interfaces#0/Trunk#<m>, where m is the trunk interface number, 1 being the first trunk

Event Type

communicationsAlarm

Probable Cause

degradedSignal

Severity

Condition

Text

Corrective Action

Major

An NFAS group goes out-of-service

"NFAS Group Alarm. %s"

■

The alarm is sent only when the backup Non-Facility Associated Signaling (NFAS) D-channel also falls, i.e., when both D-channels are down.

■

When at least one of the
D-channels (primary or backup) returns to service, the alarm is cleared.

■

Corrective action is not necessary.

Clear

NFAS group state goes to in- service

"%s– Additional information"