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UDS1-BD (UDS1 Interface Circuit Pack)
Issue 5 October 2002
1819
555-233-119
1 to 17 FAIL The test failed because the UDS1 interface circuit pack detected errors in the
received framing bits pattern. The error code equals the number of
misframes detected by the UDS1 interface circuit pack since the last
misframe alarm inquiry test. Major bit and minor bit error rate (error types
2561 and 2817) error logs often accompany misframe alarms. Clearing the
cause of these error logs may clear the misframes which are occurring.
If the UDS1 connects to a T1 network facility or to another switch, do the
following:
1. Retry the command at 1-minute intervals for a maximum of 5 times.
2. If the DS1 interface circuit pack is a TN464C, enter the list
measurement ds1-log UUCSS command to read the error seconds
measurement.
3. Verify that both endpoints of the DS1 link are administered using the
same signaling mode, framing mode, and line coding.
4. Check the active alarm and error logs for recent alarms and errors
against the synchronization (SYNC). Follow the suggested repair
procedure for these errors.
5. Contact T1 Network Service or the technician at the remote switch to
diagnose the remote DS1 endpoint.
6. Check the physical connectivity of the UDS1 interface circuit packs and
the cable.
7. Replace the local UDS1 interface circuit pack, and repeat the test.
More information continues on the next page.
Table 537. TEST #145 Misframe Alarm Inquiry Test — Continued
Error
Code Test
Result Description/ Recommendation
Continued on next page