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Maintenance Page 297 of 378
ITG Trunk 2.0 ISDN Signaling Link (ISL) Description, Installation and Operation
Table 44
ITG Trunk 2.0 alarms (Part 1 of 6)
Alarm Description Fault Clearing Action
Alarm Clearance – For information purposes
These alarms indicate the clearance of an error condition. As such, no user
intervention is required. A number of these alarms indicate the clearance of a major
alarm shown later in this table.
ITG0100
Successful bootup. All alarms
cleared.
If this happens other than a known
power-on event or a user-invoked
card reset, the causes of recurring
bootup must be investigated.
Contact Nortel Networks technical
support.
ITG0101
Exit from QoS fallback. Normal
operation restored.
Indicates recovery from ITG0203.
Recurrent QoS fallback and
recovery can indicate network
faults, far-end ITG Trunk node
failure or network QoS
configuration errors.
ITG0102
Ethernet voice port restored to
normal operation.
Indicates recovery from ITG0402.
ITG0103
Ethernet management port
restored to normal operation.
Indicates recovery from ITG0403.
ITG0104
DSP successfully reset. Indicates recovery from ITG0204.
ITG0105
Exit from card fallback. Leader
card restored.
ITG0150
D-channel (Link Layer) restored.
Channels returned to service.
Indicates recovery from ITG0450.
Minor Alarms – No intervention required
These alarms indicate transient events that do not require technician intervention.
Recurring minor alarms indicate potential ITG node engineering issues that require
analysis by a technician.
ITG0200
Voice Ethernet buffer exceeded.
Packet(s) discarded.
Indicates T-LAN interface hardware
problems or excessive T-LAN
traffic.