Issue 5 November 2000
363-206-208
Lucent Technologies - Proprietary
See Notice on first page
2
Equipment and Rear Access Cabling for the
DDM-2000 OC-12 Multiplexer
Overview
This section provides the information for rear access installation and covers the
installation of the shelf, heat baffles, fans, rear access cables, and grounding. This
installation manual contains the latest cable information at the time of issue. For up-to-
date information, refer to the ED cable drawings listed in the “About This Document”
section. For miscellaneous equipment information, refer to “Miscellaneous Equipment”
in the “Introduction” section of this manual.
Description
This section should be performed on all rear access DDM-2000 OC-12 Multiplexer shelf
installations. For front access Multiplexer shelf installations, refer to the “Equipment and
Front Access Installation for DDM-2000 OC-12 Multiplexer” section of this manual.
This section requires previous bay frame installation and grounding.
The shelf is grounded by its mounting screws.
This section is best performed if each procedure, for example, “DS3 Cabling -
Rear Access”, is performed on every shelf in the bay before proceeding to the
next procedure.
Circuit packs must not be installed at this point.
The locations of all backplane plugs and jacks are shown in Figure 2-1 on page
2-48.
To install the cabling for the maximum capacity of three DDM-2000 OC-12 rear
access shelves in a bay follow the procedure in Figure 2-2 on page 2-49 or Fig-
ure 2-3 on page 2-50 (depending on the bay arrangement).
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