363-206-204
Introduction
Issue 9 October 1998
1-5
DDM-2000 Fan Shelf Description
Forced air cooling is required
only
if the DDM-2000 shelf is installed in
non-NEBS
environments
(air inlet temperature exceeding 50 degrees Celsius see Bellcore
TR-64 Iss. 4). The DDM-2000 fan shelf, ED-8C733-30, G7, provides forced air
cooling for DDM-2000 shelves that are
bay
mounted in a
non-NEBS
environment
.
The number of fan shelves required in a bay is determined by the number of
DDM-2000 OC-3 shelves in the bay and by their configuration (front or rear
access). Refer to the "Equipment and Rear Access Cable Installation" or
"Equipment and Front Access Cable Installation" section of this manual for fan
shelf requirements.
Equipment
Miscellaneous Equipment
Miscellaneous equipment is listed in Table 1-1.
NOTE
:
Not all equipment is required for each installation.
Test Equipment
Tools, test sets and accessories are listed in Table 1-2.
NOTE
:
Not all tools are required for each installation.
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