TAP-113 : Trouble Clearing 363-206-285
Page 4 of 6 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
17.
NOTE:
Indications are that the OLIU circuit pack on the protection line (slot 2(P))
has failed at the near end or far end, or the receive fiber on the protection
line at the near end has failed.
Go to TAP-111 and isolate trouble on the OLIUs.
18. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
19. Use local procedures to clear condition(s) that caused environmental alarm.
20. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
21. Locate source address of removed circuit pack from the Alarm and Status
Report then determine the reason the DS1 circuit pack was removed. If the
same circuit pack is to be reinserted and no switch settings are changed,
reinstall the circuit pack. If the circuit pack was removed and switch settings
changed, reinstall the circuit pack and momentarily depress the UPD/INIT
buttonontheSYSCTL. If the circuit pack is not to be reinserted, momentarily
depress the UPD/INIT button on the SYSCTL to remove the circuit pack from
the inventory.
22. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
23.
NOTE:
Indications are that a circuit pack has been installed in a wrong slot;
switch settings are invalid or different from a companion circuit pack; or
switches are set differently from what they were before a circuit pack was
replaced.
Determine the source address from the Alarm and Status Report. Refer to the
Commands and Reports section of this manual under RTRV-ALM for a more
detailed description of the meaning of the report.
24. If a circuit pack(s) is installed in the wrong slot, remove the circuit pack.
Determine correct position of the circuit pack and install circuit pack into the
correct slot.
Check circuit pack switch settings for valid settings or wrong settings
(DLP-513). If switch settings are to be changed from what they were
previously, update the equipment list by momentarily depressing the UPD/INIT
buttonontheSYSCTL after the circuit pack is reinstalled.
25. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
TAP-111
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