3-2
Issue 9 October 1998
363-206-204
Equipment and Front Access Cable Installation
NOTE
:
This section is best performed if each procedure like "DS1 Cable Installa-
tion - Rear Access" is performed on every shelf in the bay before proceed-
ing to the next procedure.
NOTE
:
Circuit packs must not be installed at this time.
NOTE
:
All of the cables, except power and the optical fibers, are connected to the
DDM-2000 OC-3 backplane. For Releases 11 and 13, certain DS3 cables
associated with BBG19 circuit packs and jumpers between 24G-U OLIUs
are connected in the front. The DS3 cables for Releases 11 and 13 are dis-
cussed in Section 2,
Equipment and Rear Access Cable Installation
,
and the jumper between the 24G-U OLIUs is discussed in Section 4,
Pow-
ering, Verification, and Circuit Pack Installation
.
NOTE
:
The locations of all backplane plugs and jacks are shown in Figure 3-1.
NOTE
:
The cabling for the maximum capacity of six DDM-2000 OC-3 front-access
shelves in a bay is shown in Figure 3-2.
NOTE
:
Cables are to be installed from the bottom shelf in the bay toward the top.
The cable installation procedure provided in this section should be followed
for maximum utilization of the bay cable ducts.
NOTE
:
Cable assembly options are listed in Tables 3-1 through 3-4. Connector
pinouts are provided in Figure 3-3.
NOTE
:
Cable brackets should be installed as required.
NOTE
:
It is a requirement that the DDM-2000 OC-3 be equipped with both the
DS1 cable chamber cover and protective backplane cover at the comple-
tion of the installation.