Remove the Cover
To remove the cover, do these
steps:
Remove the 14 screws from either side of the cover.1 and 2
Step 1 Read the Safety Warnings and disconnect the power supply before you perform any module replacement.
Step 2 Confirm the router is turned off and disconnected from the power supply.
Hardware Installation Guide for the Cisco 1000 Series Integrated Services Router
60
Install and Upgrade Internal Modules and Field Replaceable Units
Remove the Cover