Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 148

Reinstalling Components in the Router
To reinstall a power supply that was removed prior to rack mounting the router, perform the
following steps:
Step 1
Step 2
Caution
weighs 14 lb (6.36 kg). Use both hands when handling these units.
Step 3
Step 4
Step 5
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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
Verify that the rotary power switch on the power supply to be reinstalled is set,
as follows:
•
For an AC-input power supply—Set to the Standby position.
•
For a DC-input power supply—Set to the OFF position.
Turning the rotary power switch to the Standby position for the AC-input
Note
power supply is operationally equivalent to setting the same switch on the DC-
input power supply to the OFF position. In either case, turning the rotary power
switch to the full counterclockwise position retracts a mechanical interlock into
the body of the power supply, thus enabling you to insert the power supply into
the power supply bay.
Grasp the power supply carrying handle with one hand.
The AC-input power supply weighs 17 lb (7.72 kg); the DC-input power supply
While lifting the power supply by its carrying handle, place your free hand
beneath the unit to support its weight.
Position the power supply appropriately for insertion into the power supply bay.
If you are reinstalling only a single AC-input or DC-input power supply,
Note
it is recommended that you install the unit in the bottom bay.
Gently slide the power supply into the bay until its faceplate meets the sheet
metal flange of the power supply bay.