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
3
4
2
1
FAULT
CONTROL
FAULT
FILTER
REPLACE
POWER
ON
POWER RESET
A
B
Rear View
Front View