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Figure 13 shows a –48-volt DC power supply in a
CoreBuilder 9000 8-slot chassis.
Figure 13 CoreBuilder 9000 8-slot Chassis with a –48-volt DC
Power Supply Installed
R
1
2
3
4
5
6
7
8
Power supply
(in slot 1)
Power supply
slot 3
®
CoreBuilder
9000
9
10
ON
-48V
0V
STANDBY
INPUT RATING
-48 V
/27A
Power supply
slot 2
Fan Trays
The CoreBuilder 9000 8-slot chassis contains two fan
trays, each of which contains three fans (Model
Number 3CB9EF). Four fans cool the interface
modules, switch fabric modules, and management
modules. The remaining two fans cool the power
supplies.
Figure 14 shows the location of the fan trays in the
CoreBuilder 8-slot chassis.
Figure 14 CoreBuilder 9000 8-slot Chassis Rear View with
Fan Trays
Hardware Components
Module and
power supply
fan trays
Spring-loaded
screw
29
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