365-575-102 DetailedLevelProcedure:
Issue 8.0, July 2002 Page 1 of 6
DLP-535
Identify Source of Incoming Signal
Overview: You were sent to this procedure to identify the signal source associated
with an incoming signal condition so that you can issue a Trouble Report to the
personnel at that location.
1. Find the condition to be reported in the table below and continue with the
indicated step.
For This Condition Go To
incoming DCC failure Step 2
inc. (from DS1) sync ref fail Step 4
inc (from OC48) path RFI/yellow Step 12
inc (from OC-48) sync ref fail Step 2
inc (from STSX) line RFI/yellow Step 12
incoming (from DSX) DS3 LOS Step 12
incoming (from DSX) DS3 SD Step 12
incoming (from OC-3) STS LOP Step 16
incoming (from OC-12) STS LOP Step 16
incoming (from OC-48) DS3 AIS Step 12
incoming (from OC-48) DS3 LOF Step 10
incoming (from OC-48) path AIS Step 14
incoming (from OC-48) STS LOP Step 10
incoming (from STSX) EC1 LOF Step 12
incoming (from STSX) EC1 LOP Step 12
incoming (from STSX) EC1 LOS Step 12
incoming (from STSX) EC1 SD Step 12
incoming (from STSX) line AIS Step 12
incoming OC-3 AIS Step 18
incoming OC-12 AIS Step 18
incoming OC-48 AIS Step 8
incoming OC-3 APS byte fail Step 18
incoming OC-12 APS byte fail Step 18
incoming OC-48 APS byte fail Step 2
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