NTP-042: Circuit Order 363-206-285
Page 1 of 12 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
UpgradeDDM-2000OC-3/FT-2000DualRing
Interworking Network from EC-1 to OC-3
In Service
DO ITEMS BELOW IN ORDER LISTED. . . . . FOR DETAILS, GO TO
1.
!
CAUTION:
DDM-2000 circuit packs contain static sensitive components
which can be damaged by electrostatic discharge. A static
ground wrist strap must be worn when handling the circuit
packs. See electrostatic discharge considerations in
Trouble
Clearing: TAD-100
.
NOTE:
Existing BBG6 STS1E circuit packs will be replaced in this
procedure with OLIU circuit packs to support OC-3/IS-3
applications. If work order or office records do not specify
OLIU types, refer to 363-206-200,
DDM-2000 OC-3 and
OC-12 Multiplexers, Applications, Planning, and Ordering
Guide
and/or 363-206-285,
DDM-2000 OC-3 Multiplexer,
TARP Release 13 and Later, User/Service Manual—Volume
I
, for a description of OLIU circuit packs and applications.
Optical line power measurements and/or office records must
be used to verify that the span length can be supported.
NOTE:
This procedure assumes that the DDM-2000 and FT-2000
systems are in service and ring TARP Release 13 or later
software is used in each DDM-2000 OC-3 shelf. Ring TARP
Release 8 or later software is required in each FT-2000 shelf.
NOTE:
All shelves in the same network must have the same or
compatible software releases.
TAD-100
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