365-575-102 DetailedLevelProcedure:
Issue 8.0, July 2002 Page 1 of 2
DLP-523
Release Looped Back DS3 and/or EC1 Circuit(s)
!
CAUTION:
Traffic and service interruption can occur to other DS3 or EC1 circuits if they are
accidentally looped back. Recheck the address of the port(s) being released
from loopback. Release of loopback occurs at the DS-3/EC-1 level.
NOTE:
A DS3 (LAA2/LAA2B) or STS1E (LAA4) circuit pack has three ports.
1. Obtain the operation instructions to release the looped back DS3 or EC1
port(s) and note the assigned address.
2. If required, connect and condition the craft interface terminal (CIT).
Reference: DLP-501
3. At the CIT, select FAULT-Release-Loopback-T3 (for DS3 circuits) or
FAULT-Release-Loopback-EC1 (for EC1 circuits) for the first of the
specified port(s).
4. Repeat Step 3 for any remaining port(s).
5. The port(s) is released from the looped back condition. If you wish to verify,
select FAULT-Retrieve-Alarm for an updated Active Alarms and Status
Report. Section 11 contains an example of this report.
6. STOP! YOU HAVE COMPLETED THIS PROCEDURE.
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