NTP-003
: Circuit Order 363-206-305
Page 2 of 4 Issue 3, June 2000
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
DO ITEMS BELOW IN ORDER LISTED. . . . .FOR DETAILS, GO TO
4. At the shelf being discontinued and all associated terminating
shelves, ensure service (signals) has been removed from the
service being discontinued.
Discontinue DS1 Service [
Circuit Order: NTP-005
]
Discontinue T1 Service [
Circuit Order: NTP-015
]
Discontinue HDSL Service [
Circuit Order: NTP-019
]
Discontinue DS3 Service [
Circuit Order: NTP-025
]
5.
!
CAUTION:
Removal of wrong fiber connections will result in a service
interruption. Ensure you remove only the fiber connections
for the optical span being discontinued.
NOTE:
The following operations will activate office alarms. The
audible alarm may be suppressed by depressing the
ACO
button.
Remove optical fiber connections from
MAIN OLIUs
in node
(shelf) being discontinued.
6. Reconnect the optical fibers, bypassing the node just removed.
Ensure all alarms in the ring configuration are off. If alarms are
present, verify fiber connections and integrity.
7. If the removed shelf is not to be left powered, power down the
shelf per local procedures then proceed to Step 10. Otherwise,
continue with Step 8.
DLP-505
8. If
OLIU
circuit packs are not removed, connect optical fiber loops
to
OLIUs
.