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Maintenance Objects
1580
Issue 5 October 2002
Conference Circuit Test (#7)
One or more NPEs reside on each circuit pack with a TDM Bus interface. The
NPE controls port connectivity and gain, and provides conferencing functions on a
per-port basis. The Conference Circuit Test verifies that the NPE channel for the
port being tested can correctly perform the conferencing function. The NPE is
instructed to listen to several different tones and conference the tones together.
The resulting signal is then measured by a Tone Detector port. If the level of the
tone is within a certain range, the test passes.
Table 447. TEST #7 Conference Circuit Test
Error
Code Test
Result Description/ Recommendation
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.
1000 ABORT System resources required to run this test are not available. The port may be
busy with a valid call and therefore unavailable for certain tests. You must wait
until the port is idle (yellow LED if off) before retesting.
1. If the port is idle, retry the command at 1-minute intervals a maximum of 5
times.
1004 ABORT The port was seized by a valid call during the test and the test has been aborted.
You must wait until the port is idle (yellow LED if off) before retesting.
1. Retry the command at 1-minute intervals a maximum of 5 times.
1020 ABORT The test did not run due to an already existing error on the specific port or a
more general circuit pack error.
1. Examine Error Log for existing errors against this port or the circuit pack and
attempt to diagnose the already existing error.
2000 ABORT Response to the test request was not received within the allowable time period.
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.
Any FAIL The NPE of the tested port did not conference the tones correctly. This causes
noisy and unreliable connections.
1. Retry the test.
PASS The port can correctly conference multiple connections. User-reported troubles
on this port should be investigated using other port tests and examining the
Error Log.
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