D-Channel Status Alarm

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

AcDChannelStatus

Alarm

acDChannelStatus

OID

1.3.6.1.4.1.5003.9.10.1.21.2.0.37

Description

The alarm is sent at the establishment, re-establishment or release of the Link Access Protocol D-Channel (LAPD) link with its peer connection.

Default Severity

Major

Source Varbind Text

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

Event Type

communicationsAlarm

Probable Cause

degradedSignal

Severity

Condition

Text

Corrective Action

Major

ISDN D-channel goes down (fails)

"D-Channel Alarm. D-Channel is Out Of Service"

-

Minor

NFAS D-channel (primary or backup) goes down (fails)

"D-Channel Alarm. Primary NFAS D-Channel is Out Of Service"

or

"D-Channel Alarm. Backup NFAS D-Channel is Out Of Service"

-

Cleared

ISDN D-channel is re-established.

"D-Channel Alarm. %s"

-