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TAP-106
: Trouble Clearing
Page 1 of 4
1.
NOTE:
It is assumed that the FAULT LED on a circuit pack is lighted and
replacing the circuit pack does not clear the problem.
Is the circuit pack with the lighted LED a DS1/DS1PM, T1EXT, or OLIU?
If YES, then continue with Step 2.
If NO, then proceed to Step 12.
2.
Unseat and reseat the standby (without lighted ACTIVE LED) MXRVO
(STS1E) in the same group as the affected circuit pack with the lighted LED.
3.
Is a CIT available?
If YES, then continue with Step 4.
If NO, then proceed to Step 6.
4.
Use the CIT and reset command to reset SYSCTL.
5.
Is the FAULT LED on the affected circuit pack still lighted?
If YES, then proceed to Step 8.
If NO, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
6.
NOTE:
Unseating and reseating the SYSCTL performs a reset procedure which
restarts the software program.
Unseat and reseat SYSCTL circuit pack. Do not depress UPD/INIT button.
7.
Is the FAULT LED on the affected circuit pack still lighted?
If YES, then continue with Step 8.
If NO, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
8.
Have both MXRVO (STS1E) circuit packs been unseated and reseated?
If YES, then proceed to Step 10.
If NO, then continue with Step 9.
Isolate and Clear Failure
DDM-2000 OC-3 M
Issue 2, February 2000
ULTIPLEXER
363-206-285
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