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ANL-16-L (16-Port Analog Line)
Issue 1 June 2005 387
System Technician-Demanded Tests:
Descriptions and Error Codes
Investigate tests in the order presented. By clearing error codes associated with the Battery
Feed test (#35), you may also clear errors generated from other tests in the testing sequence.
NPE Crosstalk Test (#6)
One or more Network Processing Elements (NPEs) reside on each circuit pack with a TDM Bus
interface. The NPE controls port connectivity and gain, and provides conference functions on a
per-port basis.
This 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 part of the long test sequence and
executes in about 20 to 30 seconds.
Order of Investigation Short Test
Sequence
Long Test
Sequence
D/ND
1
1. D = Destructive; ND = Nondestructive
Battery Feed test (#35) X X ND
Station Present test (#48) X X ND
Looparound test (#161) X ND
Conference test (#7) X ND
NPE Crosstalk test (#6) X ND
Station Status and Translation Audits and Updates test
(#36)
XXND
Table 113: Test #6 NPE Crosstalk Test
Error
Code
Test
Result
Description / Recommendation
ABRT Could not allocate the necessary system resources to run this test.
1. Retry the command at 1-minute intervals up to 5 times.
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