365-575-102 Circuit Order: NTP-015
Issue 8.0, July 2002 Page 5 of 6
17. Look at the report, verify that the protection
quad slots do not appear in the cross-connect
column. If a cross-connection is shown, then
traffic is possible at the quad.
Is there a cross-connection shown for any of the
four required protection slots?
If YES, then consult with your supervisor
and make certain that the quad specified in
the work order is correct, is to be used as
the protection link, and that the quad is not
currently supporting traffic. If the quad is
supporting traffic, then – either a different
quad must be selected or the traffic must be
moved. STOP! You cannot re-start this
procedure until this issue is resolved.
If NO, then continue with Step 18.
—
18. Remove OC-3/IS-3 Low Speed circuit pack(s)
from the shelf. Execute the Configuration-
Update command.
Circuit Order: NTP-011
19. Add an OC-12 Low Speed Slot (actually four
slots).
Circuit Order: NTP-012
20. Verify that correct optical fibers and LBOs are
attached to the circuit pack.
DLP-512
21. Change the protection quad’s “Protection Mode”
from 0x1 to 1+1 in both the “from OC12” and
“from OC48” direction.
DLP-517
NOTE:
Changing the protection quad’s “Protection Mode” raises the OC-12
Mode Conflict Alarm.
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