363-206-305 Circuit Order:
Issue 3, June 2000 Page 1 of 4
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
NTP-012
Change DS1 Protection Bus Module
(1X1 or 1X7) Low-Speed Slots
Out-of-Service
DO ITEMS BELOW IN ORDER LISTED . . . . FOR DETAILS, GO TO
1.
!
CAUTION:
This procedure can only be performed with the FiberReach
LOW SPEED slots out of service.
NOTE:
This procedure is used to change the low speed protection
mode of a FiberReach wideband shelf to 1X1 or 1X7
(Release 2.0 or later). The LOW SPEED DS1 slots must be
taken out of service before performing this procedure. If the
shelf has not been mounted, use the procedures of NTP-011
instead of this procedure.
Determine which protection bus module [847578390 (1X1) or
847578416 (1X7)] is required.
NTP-0052. Remove all low-speed DS1/T1 service (signals) from the
FiberReach shelf.
3. Clear all active external protection switch requests (locked, forced,
or manual) using the switch-ls:
address
:pri=reset
command.
4. Remove all low-speed loopbacks using the rls-lpbk-t1:
command.
5. Delete all low-speed cross-connections using the dlt-crs-vt1:
command.
6. Remove all low-speed DS1/DS1PM/T1EXT circuit packs.
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