Lucent DDM-2000 OC-3 User And Service Manual page 637

363-206-285
Issue 2, February 2000
22. Did alarm clear within 20 seconds?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then proceed to Step 27.
23. Contact local power company if loss of AC power has occurred or if there is
overvoltage or undervoltage condition.
24. Does local power company verify abnormal power condition?
If YES, then continue with Step 25.
If NO, then proceed to Step 27.
25. Estimate restoration time for AC power. If necessary, equip RT with fully
charged batteries or other power source to maintain power until AC power is
restored.
26. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
27.
NOTE:
If alarms remain, multiple troubles exist and trouble analysis must be
repeated.
If you have a J1C182BA Power Shelf, use SD-7C117 and SD-7C118 to locate
trouble. If another power shelf or powering arrangement is used, use the
appropriate documentation and wiring diagrams to locate power trouble. If you
need technical assistance, notify your supervisor, your local technical support
organization, or call Lucent Technologies RTAC, per local operating
instructions.
28. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
DDM-2000 OC-3 M
Trouble Clearing:
ULTIPLEXER
TAP-104
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