3Com 4005 Installation And Maintenance Manual page 33

4 As shown in Figure 12, grasp either handle on the front of the power supply and
put your other hand beneath the power supply to support it. Then, face the rear
of the chassis.
Figure 12 Switch 4005 Chassis 300-watt AC Power Supply
Retainer
screw
5 Gently push the power supply inward, allowing the guide pins (see Figure 13) to
align the connector on the power supply with the connector that is inside the slot.
Figure 13 Connectors and Guide Pins on Switch 4005 Chassis Power Supply
Power supply
guide pin
You will feel a slight resistance as the connectors engage.
CAUTION: If the resistance is too great, the power supply connectors and the
backplane connectors may not be aligned properly. Do not force the power supply
into the slot or you can damage the connectors. If necessary, remove and reinsert
the power supply, ensuring that the connectors are aligned.
6 To secure the power supply to the chassis, tighten the two retainer screws (see
Figure 12) to a torque specification of 1.5 kg-cm (1.3 in-lb).
CAUTION: Do not attach the power cord to the mains power outlet until the
power supply is fully secured in the chassis.
Power supply
Power
handle
indicators
AC input
socket
Power supply
connector
Installing a Power Supply 33