TAP-115: Trouble Clearing 363-206-285
Page 2 of 2 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
8. Did the LED test fail again?
If YES, then continue with Step 9.
If NO, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
9.
NOTE:
The problem appears to be in the backplane wiring of the DDM-2000.
One way to verify this is to swap the SYSCTL and any circuit pack with an
inconsistent diagnostic indication with the corresponding circuit packs in
another DDM-2000. If the problem moves with the circuit packs, it means
that one or more of the circuit packs is defective. If the problem stays with
the original DDM-2000 the entire assembly, but not the circuit packs,
should be replaced. The DDM-2000 has a printed backplane and cannot
be repaired in the field.
If you need technical assistance, notify your supervisor, your local technical
support organization, or call Lucent Technologies RTAC, per local operating
instructions.
10. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
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