TAP-174: Trouble Clearing 365-575-102
Page4of8 Issue8.0,July2002
8. Does the incoming (from OC-48) STS LOP condition still appear in the
Active Alarm and Status Report?
If NO, then go to Step 35.
If YES, then continue.
9. Replace the TRMTR circuit pack just installed in Step 6 with the original
TRMTR circuit pack because the trouble still exists.
Reference: DLP-514
!
CAUTION:
Any traffic on tributaries 9 through 16 of the opposite line side (line that's not
receiving the LOP) will be preempted while the high speed protection switch is
active.
!
CAUTION:
It is advisable to contact your next level of technical support before making the
high speed protection switch. Service may be lost if the switch is made to failed
circuit packs (double failure).
10. At the local node, select FAULT-Switch-Line:Forced command and exe-
cute for the line identified in Step 3 (protection line now active).
11. At the local node and using the source address and line recorded in Step 3,
replace the RCVR circuit pack that's receiving the incoming LOP failure.
Reference: DLP-514
12. Obtain another Active Alarm and Status Report (use FAULT-Retrieve-Alarms
command or F9 key).
13. Does the incoming (from OC-48) STS LOP condition still appear in the Active
Alarm and Status Report?
If NO, then go to Step 34.
If YES, then continue.
14. Replace the (NEW) RCVR circuit pack just installed in Step 12 with the original
(OLD) RCVR circuit pack because the trouble still exists.
Reference: DLP-514
!
CAUTION:
It is advisable to contact your next level of technical support before replacing the
same line side TRMTR circuit pack (same line that's receiving the LOP
condition). Service may be lost when the TRMTR circuit pack is replaced due to
a double failure occurring at the local node.
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