Cisco Systems 8540 Network Router User Manual


 
Maintaining the Chassis 4-5
Removing and Installing AC-Input Power Supplies
Step 2 Disconnect the AC power cord from the power source.
Step 3 Remove the input power cord from the power inlet.
Warning Before working on a system that has an on/off switch, turn off the
power and unplug the power cord.
Step 4 Loosen the captive installation screw on the power supply with a screwdriver.
(See Figure 4-2.)
Step 5 Grasp the power supply handle with one hand. Slowly pull the power supply out
of the chassis toward you. (See Figure 4-3.)
Warning Voltage is present on the backplane when the system is operating. To
reduce risk of an electric shock, keep hands and fingers out of the power supply
bays and backplane areas.
Figure 4-3 Power Supply Removal and Installation
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