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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-746ISDN-TRK (DS1 ISDN Trunk)
3
Conference Circuit Test (#7)
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.
NOTE:
The TN464C or later UDS1 circuit pack has one SCOTCH-NPE chip instead
of several NPE chips.
Any FAIL The NPE of the tested port was found to be transmitting in error. This will
cause noisy and unreliable connections. The ISDN-TRK is moved to
out-of-service/near-end state.
1. Replace the circuit pack.
PASS The port is able to communicate over the TDM Bus.
Table 3-313. TEST #7 Conference Circuit Test
Error
Code
Te st
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 status station or status trunk commands to
determine when the port is available for testing.
1004 ABORT The port has been seized by a user for a valid call. Use status station or
status trunk to determine when the port is available for testing.
1. Retry the command at 1-minute intervals a maximum of 5 times.
1018 ABORT Maintenance is disabled on this trunk.
1. Enable maintenance by entering y in the
Maintenance Tests?
field on page 2 of the change trunk-group form.
Continued on next page
Table 3-312. TEST #6 NPE Crosstalk Test — Continued
Error
Code
Te s t
Result Description/ Recommendation
Continued on next page