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Maintenance Object Repair Procedures
555-233-123 10-264 Issue 4 May 2002
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. By clearing error codes associated with the
Control Channel Loop Around Test, for example, you may also clear errors
generated from other tests in the testing sequence.
NPE Audit Test (#50)
Refer to the repair procedure described in the “XXX-BD (Common Port Circuit
Pack)” Maintenance documentation as NPE Audit Test (#50).
Control Channel Loop Around Test (#52)
Refer to the repair procedure described in the “XXX-BD (Common Port Circuit
Pack)” Maintenance documentation as Control Channel Loop Around Test (#52).
SAKI Sanity Test (#53)
Refer to the repair procedure described in the “XXX-BD (Common Port Circuit
Pack)” Maintenance documentation as SAKI Sanity Test (#53).
LANBIC Receive Parity Error Counter Test (#595)
This test is destructive.
The test reads and clears the LANBIC Receive Parity Error Counter on the circuit
pack. This counter is incremented by the circuit pack when it detects a parity error
in data received from the Packet Bus.
These errors may be indicative of a circuit pack problem, Packet Bus problem, or
a problem with another circuit pack on the bus. This test is useful for verifying the
repair of the problem.
Order of Investigation
Short Test
Sequence
Long Test
Sequence
D/ND
1
1 D = Destructive; ND = Nondestructive
Control Channel Loop-Around Test (#52) X X ND
NPE Audit Test (#50) X ND
LANBIC Receive Parity Error Counter Test (#595) X ND