Replacing An 820-Watt Power Supply - 3Com Switch 4007R Getting Started Manual

32 C 5: M
HAPTER AINTAINING THE
Remove the power cord from the electrical outlet.
2
Remove the power cord from the power supply
3
socket.
Remove the power supply (Figure 9).
4
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 9).
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.
S 4007R
WITCH
Figure 9 Removing an 820-watt Power Supply Using the
Handle
Power supply
(in slot 1)

Replacing an 820-watt Power Supply

To install a new 820-watt power supply and power
supply cord:
With one hand, grasp the power supply by the
1
handle; put your other hand beneath the power
supply to support it; and face the front of the chassis.
ON
Power supply
slot 2