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DS1-BD (DS1 Interface Circuit Pack)
Issue 4 May 2002 10-623 555-233-123
Control Channel Looparound Test (#52)
This test queries the circuit pack for its circuit pack code and vintage and verifies
its records.
Table 10-232. TEST #52 Control Channel Looparound Test
Error
Code Test
Result Description/Recommendation
None
2100 ABORT System resources required for this test are not available.
1. Retry the command at 1-minute intervals a maximum of 5
times.
FAIL The test failed because the circuit pack did not return the circuit
pack code or vintage.
NOTE:
Error type 1538 indicates hyperactivity. The hyperactive
circuit pack is out of service and one or more of the
following symptoms may be exhibited.
1. The DS1-BD tests (such as Test 138 and Test 139) are
aborting with error code 2000.
2. The tests run on the ports of this circuit pack are returning a
no board result.
3. busyout and release have no affect on the test result.
4. list config shows that the circuit pack and the ports are
properly installed.
When hyperactivity occurs, the circuit pack is isolated from the
system, and all of the trunks for this circuit pack are placed into
the out-of-service state. The system tries to restore the circuit
pack within 15 minutes. When no faults are detected for 15
minutes, the DS1 interface circuit pack is restored to normal
operation, and all of the trunks for the DS1 interface circuit pack
are returned to the in-service state. Hyperactivity is often caused
by the associated facility, and faults (such as slips, misframes,
or blue alarms) are entered in the error log. Many hardware
errors are logged against the associated trunk circuits. If the
facility is OK and the error occurs again after 15 minutes,
escalate this problem
.
1. Retry the command for a maximum of 5 times.
2. If the problem continues, check for hyperactivity. Resolve
the problem, as appropriate.
3. If there is no longer hyperactivity, retry the command for a
maximum of 5 times.
4. If the test continues to fa
il, escalate this problem
.
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