3Com 3CB9E7 - CoreBuilder 9000 Chassis Switch Getting Started Manual page 79

Enterprise switch
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For both the 8-slot chassis and the 16-slot chassis, set
2
the 820-watt power supply's On/Off switch
( |
), which is located on the front of the power
supply, to the Off (
Figure 39 CoreBuilder 9000 Chassis 820-watt AC Power
Supply
Power cord
socket
) position (Figure 39).
Handle
On/off
switch
Spring-loaded
screw
Removing and Replacing a Power Supply
Remove the power cord from the electrical outlet.
3
Remove the power cord from the power supply
4
socket.
Remove the power supply (Figure 40).
5
Using a flat-blade screwdriver, loosen the
a
spring-loaded screws that secure the power supply
to the front of the chassis.
Face the front of the chassis and grasp the power
b
supply handle (Figure 40).
Pull the power supply straight out from the chassis,
c
making certain that you do not damage the
connectors and guide pins on the rear of the
power supply or the connectors on the chassis
backplane.
CAUTION: To prevent damage to the guide pins and
connectors, while you pull the power supply straight
out of the chassis, place one hand under the bottom
of the power supply to support it.
79

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