Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 290

Adding, Removing, or Replacing an AC-Input Power Supply
Caution
do not use excessive speed or force when inserting the power supply into the bay.
Note
are accomplished automatically by means of the blind-mating connector at the rear of the
power supply.
Step 7
Step 8
Step 9
Step 10
To verify that the new AC-input power supply is operating properly, proceed to the section
entitled "Verifying the Installation of an AC-Input Power Supply."
7-10
Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
To prevent damage to the blind-mating connector at the rear of the power supply,
All necessary electrical connections between the power supply and the backplane
Using a 1/4-inch flat-blade screwdriver, tighten the captive installation screw on
the faceplate of the power supply (see Figure 7-3).
Connect the source AC power cord to the AC receptacle on the power supply
faceplate (see Figure 7-4a). Secure the bail latch over the source AC power cord
(see Figure 7-4b).
Connect the other end of the source AC power cord to its power source (see
Figure 7-4c).
Set the rotary power switch on the new AC-input power supply to the ON (1)
position.