Maintenance Object Repair Procedures
555-233-123
10-1022 Issue 4 May 2002
System Technician-Demanded Tests: Descriptions
and Error Codes
Always investigate tests in the order presented in the table below. By clearing
error codes associated with the Sanity Handshake Test, for example, you may
also clear errors generated from other tests in the testing sequence.
Note:
a. If you are invoking the Long Test Sequence from the EPN terminal, Test
#104 causes the system technician terminal to be logged off, and Test
#306 is not run as part of the test sequence. Test #104, however, causes
Test #306 to run in an attempt to bring the EPN Maintenance circuit pack
back to a known state. After the test sequence runs, the Error Log should
be examined for MAINT errors of type 1 and 3073 to determine if the
Network Control Circuit Pack DPR Test and EPN Maintenance Circuit Pack
Reset Test failed.
If you are invoking the Long Test Sequence from the PPN, all tests listed
are run and their results are displayed on the PPN terminal. The EPN
terminal is still logged off.
Order of Investigation
Short Test
Sequence
Long Test
Sequence
D/
ND
1
1 D = Destructive; ND = Nondestructive
Sanity Handshake Test (#106) X X ND
Network Control Circuit Pack DPR Test (#104) (a) X D
EPN Maintenance Circuit Pack Reset Test (#306) X D
Serial Channel Local Loop Around Test (#229) X X ND
MGR I Channel Local Loop Around Test (#228) X D
EPN Maintenance Circuit Pack Sanity Maze Test
(#303)
XXND
EPN Maintenance Circuit Pack Serial Link Test
(#337)
XXND
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