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Maintenance Object Repair Procedures
555-233-123 10-1584 Issue 4 May 2002
Switch Control Destructive EPN Maintenance
Board Interface Test (#325)
This test is destructive.
This test writes test patterns into the EPN Maintenance circuit pack interface and
verifies that it can read back these test patterns successfully. Messages to or from
the EPN Maintenance circuit pack can be lost when this test is run.
ABORT Refer to STBY-SPE for a description of these error codes.
any FAIL This failure indicates that communications with the
Maintenance circuit pack in the EPN is probably not possible.
The EPN Manager I may not be usable.
1. Run the Short Test Sequence several times to make sure
the error is occurring consistently, run the Long Test
Sequence to reset the Switch Control. Sometimes
running the Long Test Sequence may clear the problem.
Remember the Long Test Sequence is destructive.
Placing and receiving calls is affected for several
seconds.
2. Replace the NetPkt or Netcon circuit pack whenever it is
convenient for the customer (unduplicated system) or
right away (High or Critical Reliability system).
PASS The EPN Maintenance circuit pack interface between the
processor and the Switch Control is working correctly. Test
#325 is a more thorough test of this interface but it is
destructive.
Table 10-586. TEST #324 Switch Control EPN Maintenance Board Interface Test
— Continued
Error
Code Test
Result Description/Recommendation
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