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Issue 5 October 2002
Loop Around and Conference Circuit Test (#33)
This test checks the reflective loop and conference abilities of a CO port circuit.
The test uses 404 Hz, 1004 Hz, and 2804 Hz tones. Each tone is transmitted
separately through the loop and checked.
Table 218. TEST #33 Loop Around and Conference Circuit Test
Error
Code Test
Result Description/ Recommendation
ABORT Could not allocate system resources to run this test.
7 ABORT Conference Circuit Test aborted.
1000 ABORT System resources required to run this test are not available. The port may
be busy with a valid call. Use the display port PCSSpp command to
determine the trunk group/member number of the port. Use the status
trunk command to determine the service state of the port. If the service
state indicates that the port is in use, then the port is unavailable for certain
tests. You must wait until the port is idle before retesting.
1. If the port status is idle, then retry the command at 1-minute intervals a
maximum of 5 times.
1004 ABORT The port has been seized by a user for a valid call. Use the status trunk
command to determine when the port is available for testing.
1. Retry the command at 1-minute intervals a maximum of 5 times.
2100 ABORT Could not allocate the necessary system resources to run this test.
1. Retry the command at 1-minute intervals a maximum of 5 times.
7 FAIL 1. Check for errors on TONE-BD or TONE-PT. If there are errors, take the
appropriate actions.
2. If the Reflective Loop Around Test fails for all ports on a circuit pack, a
-5 volt power problem is indicated.
3. Rerun the test.
4. If the test fails again, replace the circuit pack.
PASS CO Trunk Loop Around and Conference Test is successful. User-reported
troubles on this port should be investigated by using other port tests and by
examining trunk or external wiring.
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