Cisco 12406 Replacement Instructions Manual page 14

Transferring the Power Modules
Cisco 12006 and Cisco 12406 Routers can be equipped with either AC-input power supplies or DC-input
PEMs. In either case, they are removed and installed using the same procedure.
To remove a power module, follow these steps:
Step 1 Attach an ESD-preventive strap to your wrist and connect the leash to the chassis or to another grounded,
bare metal surface. (See
Step 2 Turn off the switch or circuit breaker located on the front of the power supply.
Step 3 Verify that all LEDs on the power module are off.
Step 4 To eject a power module from the backplane connector, see
a.
b.
Step 5 Grasp the power module handle with one hand, and pull the power module partially out of the bay.
Step 6 Use your free hand to support the power module while you slide it completely out of the bay.
Step 7 Move the power module away from the chassis and set it aside.
Figure 10
Cisco 12006 and Cisco 12406 Router Chassis Replacement Instructions
14
Figure
Use a flat-blade screwdriver to unscrew the two captive screws holding the release levers to the
power module faceplate.
Rotate the two release levers away from the power module faceplate to the full open position. As
you rotate the release levers, the power module will unseat itself from the backplane connector and
begin to slide out of the bay.
Removing a Power Module (AC-Input Power Supply Shown)
4.)
Figure 10 and follow these steps:
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