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Replace the Chassis Cover

The Cisco 1100 Series ISRs have a removable cover. Do not attempt to run the router without the cover. This

can cause the router to overheat very quickly. To remove the chassis cover, use a number-2 Phillips screwdriver

and perform the following tasks:

Remove the Cover

To remove the cover, perform the following steps:

Step 1

Disconnect the power supply before you perform any module replacement.

Step 2

Confirm the router is turned off and disconnected from the power supply.

Step 3

Disconnect all port cables so that that no one works on the unit with attached cable in the event of lightning or surges.

Step 4

Place the chassis on a flat surface.Remove the fourteen cover screws on the two sides of the router cover.

Step 5

Slide the cover from bezel side to I/O side until it stops. Remove all screws on both sides of the router; there are seven

screws on each side.

Step 6

Pull the cover to disengage the slots along the front (bezel) edge of the chassis, as shown in this figure.

Install and Upgrade Internal Modules and Field Replaceable Units

Slots

Screw holes (7 numbers on each side)

Install and Upgrade Internal Modules and Field Replaceable Units