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Maintenance Object Repair Procedures
555-233-123 10-538 Issue 4 May 2002
NPE Crosstalk Test (#6)
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 usually only part of a port’s Long Test Sequence
and takes about 20 to 30 seconds to complete.
Table 10-197. TEST #6 NPE Crosstalk 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 busy with a valid call. Use the display port
PCSSpp command to determine the station extension,
attendant number, or trunk group/member number of the port.
Use the status station, status attendant, or status trunk
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. (Refer to the “Status Commands”
section in Chapter 10, “Maintenance Commands and
Trouble-Clearing Aids”, for a full description of all possible
states.) You must wait until the port is idle before retesting.
Attendants are always in use (off-hook) if the handset is
plugged in and the port is not busied out.
1. If the port status is active but the port is not in use (no
calls), then check the Error Log for Error Type 513 (see
Error Log table for description of this error and required
actions). The port may be locked up.
2. If the port status is idle, then retry the command at
1-minute intervals a maximum of 5 times.
1001 ABORT Could not allocate the necessary system resources to run this
test. This could be due to a failure to seize the port.
1. Retry the command at 1-minute intervals a maximum of 5
times.
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