TBRI-PT (TN2185 ISDN Trunk-Side BRI Port)
Issue 4 May 2002
10-1685 555-233-123
If the slip count is over the threshold, a Minor alarm is raised against the TN2185
circuit pack, leaving all ports of the TN2185 circuit pack in the in-service state. If
the TN2185 circuit pack is used to supply the system synchronization source, the
MINOR alarm will initiate a synchronization source switch. See TDM-BUS and
SYNC for additional information.
Table 10-620. TEST #1244 Slip Alarm Inquiry Test
Error
Code Test Result Description/Recommendation
ABORT Internal System Error
2000 ABORT Response to the test request was not received within the
allowable time period. If Error Type 1538 is present in the
Error Log, follow the maintenance strategy recommended
for this error type.
2100 ABORT Could not allocate the necessary system resources to run
this test.
1. Retry the command at 1-minute intervals for a
maximum of 5 times.
1 to 88 FAIL The circuit pack and the remote endpoint are not
synchronized to the same clock rate, which has generated
the Slip alarm. The error code equals the number of slips
detected by the TN2185 circuit pack since the last Slip
Alarm Inquiry Test.
1. Retry the command at 1-minute intervals a maximum of
5 times.
2. If the circuit pack is a TN2185, enter the list
measurement ds1-log PCSS 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 physical connections of DS1 Interface circuit
packs and cable.
5. Replace the local DS1 Interface circuit pack and repeat
the test.
6. Contact T1 Network Service to diagnose the remote
DS1 endpoint.
PASS No Slip alarm is detected on the DS1 Interface circuit pack.
0 NO BOARD The DS1 Interface circuit pack is not administered.
1. Administer the DS1 Interface circuit pack by issuing the
add ds1 PCSS command.
2. Run the test again.
Continued on next page
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