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ANL-LINE (8-Port Analog Line)
Issue 1 June 2005 407
NPE Crosstalk Test (#6)
One or more NPEs (Network Processing Elements) 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, 1-way and noisy connections may be observed. This test is
usually only part of a port’s long test sequence and executes in about 20 to 30 seconds.
Loop Around and Conference test (#47) X ND
Station Status and Translation Audits and Updates test (#36) X X ND
1. D = Destructive; ND = Nondestructive
Order of Investigation Short Test
Sequence
Long Test
Sequence
D/ND
1
Table 120: Test #6 NPE Crosstalk Test
Error
Code
Test
Result
Description / Recommendation
1000 ABRT System resources required to run this test are not available. The port may
be busy with a valid call. This result is also reported for the system’s
Music-on-Hold port when it is off-hook, which it usually is.
1. Enter display port location to determine the station’s extension.
Enter status station extension to determine the service state of
the port. If the port is active, it will be unavailable for certain tests.
Wait until the port is idle before retesting.
2. When the port is idle, retry the command at 1-minute intervals up to 5
times.
1001 ABRT Could not allocate the necessary system resources to run this test.
1. Retry the command at 1-minute intervals up to 5 times.
1002 ABRT The system could not allocate time slots for the test. The system may be
under heavy traffic conditions or it may have time slots out-of-service due
to TDM-BUS errors.
1. If the system has no TDM-BUS errors and is not handling heavy traffic,
repeat test at 1-minute intervals up to 5 times.
2. If the test continues to abort, escalate the problem.
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