363-206-295
Shelf Descriptions and Configurations
3-18 Issue 1 December 1997
DDM-2000 Fan Shelf 3
The DDM-2000 Fan Shelf (Figure 3-13) provides forced convection cooling to
DDM-2000 OC-12 shelves in controlled environments (central office and
controlled environment vault).
Figure 3-13. DDM-2000 Fan Shelf
POWER
B
J1
Miscellaneous
Alarm Cable
Ground
A
ALARM
RESET
TEST
FAN FAULT
34
21 FAULT
CONTROL
FAULT
FILTER
REPLACE
POWER
ON
POWER RESET
AB
Rear View
Front View
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