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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-477DID-TRK (DID Trunk)
3
l. Late CO trunk release – This event only happens after the occurrence of
Error Type 513. The CO released the trunk four minutes after the PBX
dropped the call. This event decrements the severity (error count) of Error
Type 513, or may mean the problem related to Error Type 513 has been
fixed.
1 – Verify that Error Type 513 does not occur again. Refer to Error 513.
m. Incomplete Dial timer expired. This error applies only to the TN459.
Problem with incoming dialing stream. Refer problem to the CO.
System Technician-Demanded Tests: Descriptions
and Error Codes
Always investigate tests in the order presented in the table below when
inspecting errors in the system. By clearing error codes associated with the
DID-TRK Loop Around and Conference Circuit Test,
for example, you may also
clear errors generated from subsequent tests in the testing sequence.
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.
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
NPE Crosstalk Test (#6) X ND
Port Diagnostic Test (#35) X X ND
Loop Around and Conference Circuit Test (#33) X ND
Port Audit Update Test (#36) X X ND