Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 294

Adding, Removing, or Replacing an AC-Input Power Supply
Step 5
Step 6
Step 7
Warning
to withdraw the unit from the bay.
Step 8
Step 9
Step 10
Step 11
Step 12
Step 13
Caution
force when inserting the new power supply into the bay.
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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
Release the bail latch that secures the source AC power cord to the AC receptacle
on the power supply faceplate.
Remove the power cord from the AC receptacle.
Grasp the power supply carrying handle with one hand and pull the unit halfway
out of the bay to disengage the blind-mating connector at the back of the power
supply from the backplane.
The AC-input power supply weighs 17 lb (7.73 kg). For safety, use both hands
Place your free hand beneath the power supply to support its weight and
withdraw the unit completely from the bay.
Pending further action, set the unit aside.
If you intend to return the removed power supply to the factory for repair or
replacement, repackage the unit properly for return shipment using the original
packing materials, if available.
On the new AC-input power supply that you intend to install in the now vacant
bay, set the rotary power switch on the new power supply to the standby (OFF)
position.
Grasp the carrying handle on the power supply with one hand; place your free
hand beneath the unit to support its weight.
Position the unit appropriately for insertion into the power supply bay.
Gently slide the new power supply into the bay, carefully seating it so that the
power supply faceplate is flush against the sheet metal of the power supply bay.
Doing so ensures that the blind-mating connector at the rear of the power supply
is firmly seated in the backplane connector.
To prevent damage to the blind-mating connectors, do not use excessive speed or