Lucent Technologies DDM-2000 OC-3 User Manual

TAP-106 : Trouble Clearing 363-206-285
Page 1 of 4 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
Isolate and Clear Failure
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,orOLIU?
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.

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English