Lucent Technologies DDM-2000 OC-3 User Manual

TAP-118: Trouble Clearing 363-206-285
Page 3 of 8 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
13. Reset circuit breaker (depress pin).
14. Did circuit breaker trip again?
If YES, then continue with Step 15.
If NO, then proceed to Step 35.
15. !
CAUTION:
Exercise care in removing the fiber tray or fiber support bracket to prevent
damage to the optical fibers.
NOTE:
To remove the fan shelf located between two OC-3 shelves it may be
necessary to remove either the fiber tray from the top OC-3 shelf, if it is a
G1 shelf, or the fiber support bracket, if the shelf is a G3 or G4 shelf.
Trouble in fan shelf. Replace fan shelf.
16. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
17. Is CONTROL FAULT LED lighted on fan shelf?
If YES, then continue with Step 18.
If NO, then proceed to Step 20.
18.
!
CAUTION:
Exercise care in removing the fiber tray or fiber support bracket to prevent
damage to the optical fibers.
NOTE:
To remove a fan shelf located between two OC-3 shelves it may be
necessary to remove either the fiber tray from the top OC-3 shelf, if it is a
G1 shelf, or the fiber support bracket, if the shelf is a G3 or G4 shelf.
Trouble in fan shelf. Replace fan shelf within 4 hours of minor alarm indication.
Service interruption and/or circuit pack failure may occur if fan shelf is not
replaced.
19. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
20. Is FILTER REPLACE LED lighted on fan shelf?
If YES, then continue with Step 21.
If NO, then proceed to Step 33.

Lucent Technologies DDM-2000 OC-3 Specifications

General

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