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Communication Manager Maintenance-Object Repair Procedures
2440 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Misframe Alarm Inquiry Test (#145)
A Misframe Alarm indicates that framing bits observed on a UDS1 Interface circuit pack are in
error. The Misframe Alarm Inquiry test queries the total number of misframes that have occurred
on a UDS1 Interface circuit pack since the last inquiry.
When the UDS1 Interface circuit pack detects a misframe error, it increments its misframe
counter by one. If the counter reaches a specified threshold (i.e., 17), a MISFRAME-COUNT
message is automatically sent to the switch maintenance software. After the maintenance
software receives the MISFRAME-COUNT message, the Misframe Alarm Inquiry test is initiated
to collect the misframe counts from the UDS1 Interface circuit pack.
If the UDS1 Interface circuit pack is supplying the system synchronization source, when the
threshold of misframes is reached, then a switching synchronization source message is sent to
the TDM bus Clock. See TDM-BUS (TDM Bus)
on page 2237 for details. A Minor alarm against
the UDS1 Interface circuit pack is raised, but every trunk or port of the UDS1 Interface circuit
pack remains in the in-service state.
Table 865: Test #145 Misframe Alarm Inquiry Test
Error
Code
Test
Result
Description / Recommendation
ABRT Internal system error
1. Retry the command at 1-minute intervals up to 5 times.
1 of 5