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PE-BCHL (PRI Endpoint Port)
Issue 5 October 2002
1447
555-233-119
Conference Circuit Test (#7)
One or more Network Processing Elements (NPEs) reside on each circuit pack
with a TDM Bus interface. (The TN464C UDS1 circuit pack has one
SCOTCH-NPE chip instead of several NPE chips.) The NPE controls port
connectivity and gain, and it 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 to 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.
Any FAIL The NPE of the tested port was found to be transmitting in error. This
causes noisy and unreliable connections. The PE-BCHL is moved to the
out-of-service/near-end state.
1. Replace the circuit pack.
PASS The port is able to communicate over the TDM Bus.
Table 382. 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
in use on a valid call. Use the status pri-endpoint <extension> command to
determine when the port is available for testing.
1004 ABORT The port has been seized by a user for a valid call. Use the status
pri-endpoint <extension> command to determine when the port is available
for testing.
1. Retry the command at 1-minute intervals a maximum of 5 times.
1020 ABORT The test did not run due either to an already existing error on the specific port
or to a more general circuit pack error.
1. Examine Error Log for existing errors against this port or against the circuit
pack, and attempt to diagnose the already existing error.
Continued on next page
Table 381. TEST #6 NPE Crosstalk Test — Continued
Error
Code Test
Result Description/Recommendation
Continued on next page