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TBRI-PT (TN2185 ISDN Trunk-Side BRI Port)
Issue 4 May 2002 10-1671 555-233-123
NPE Crosstalk Test (#617)
This test is conditionally destructive.
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 NPE Crosstalk Test verifies that this port’s NPE channel talks
on the selected time slot and never crosses over to time slots reserved for other
connections. If the NPE is not working correctly, one-way and noisy connections
may be observed. This test is part of a port’s Long Test Sequence and takes
approximately 20 to 30 seconds to complete. Crosstalk testing is performed on
both B-channels (B1 and B2) associated with a BRI port. If this test fails on either
channel, any channel connected to the port is taken out-of-service. This test
aborts if the port and its associated channels are not in the idle state.
Table 10-613. TEST #617 NPE Crosstalk Test
Error
Code Test
Result Description/Recommendation
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 station extension or
trunk group/member number of the port. Use the status
bri-port PCSSpp 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. 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 bri-port command to determine when the port is
available for testing.
1. Retry the command at 1-minute intervals a maximum of 5
times.
2. If the test continues to abort and the port is not in use,
escalate the problem.
1005 ABORT This test is not valid for this type of translation. Ports
administered as “ASAI” or “ADJK” can not run this test,
because the B channels associated with the port are not used
by ASAI or AT&T Adjunct Links. This is a normal condition.
2012 ABORT Internal system error
2100 ABORT Could not allocate the necessary resources to run this test.
1. Retry the command at 1-minute intervals a maximum of 5
times.
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