S-SYN-PT (Speech Synthesis Port)
Issue 4 May 2002
10-1473555-233-123
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.
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 one-minute intervals a maximum
of 5 times.
Any FAIL The NPE of the tested port was found to be transmitting in
error. This causes noisy and unreliable connections.
1. Replace the circuit pack.
PASS The port is correctly using its allocated time slots.
User-reported troubles on this port should be investigated
using other port tests and examining the Error Log.
Table 10-556. TEST #6 NPE Crosstalk Test — Continued
Error
Code
Te s t
Result Description/Recommendation
Continued on next page
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