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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-632E-DIG-STA (Emulated Digital Line)
3
g. The circuit pack’s message buffer is full. This may be caused by having
many display phones with heavy traffic connected to the circuit pack. No
action is necessary.
h. Internal system error; no action is necessary. The error counters 1, 2, 3, 4,
5, 6, 10, 11, 12, 13, 14, 15, and 16 do not have any significance for this
MO.
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
Voice and Control Channel Local Loop Around Test, for example, you may also
clear errors generated from other tests in the testing sequence.
Digital Line NPE Crosstalk Test (#9)
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 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 about 20 to 30 seconds to
complete. Crosstalk testing occurs on both the primary information channel
(voice) and the secondary information channel (data) associated with each
digital station port. If this test fails on either channel, the station and the DTDM
are taken out-of-service.
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
Voice and Control Channel Local Loop Around Test (#13) X D
NPE Crosstalk Test (#9) X ND
Station Lamp Updates Test (#16) X ND