BRI-PORT (ISDN-BRI Port), ABRI-PORT (ASAI
ISDN-BRI Port)
Issue 1 May 2002
8-337555-233-143
System Technician-Demanded Tests:
Descriptions and Error Codes
Always investigate tests in the order presented in the following tables when
inspecting errors in the system. For example, by clearing error codes associated
with the NPE Crosstalk test (#617), you may also clear errors generated from
other tests in the testing sequence.
NOTE:
The NPE Crosstalk test and the BRI Port Local TDM Loop Around test are
not executed for ABRI-PORT/ATT-PORT/LGATE-PT/ATTE-PT.
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
NPE Crosstalk test (#617) X D
BRI Port Local LAN Loop Around test (#618) X D
BRI Port Local TDM Loop Around test (#619) X D
Electronic Power Feed Restoral test (#620) X X ND
Level 1 Status Inquiry test (#621) X X ND
Electronic Power Feed Inquiry test (#622) X X ND
CRC Error Counter test (#623) X ND
Layer 1 Transmission Error Counter test (#624) X ND
Receive FIFO Overflow Error Counter test
(#625)
XND
Clear Error Counters (#270) X X ND
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