User's Manual

CHAPTER
DEC. 2011—EFT REVIEW DRAFT—CISCO CONFIDENTIAL
4-1
Cisco 1240 Connected Grid Router Hardware Installation Guide
OL-26223-01
4
Opening the Router Chassis
This chapter describes how to open the Cisco CGR 1240 Router door so that you can access the interior
of the chassis, and contains these sections:
• Opening the Router Door, page 4-1
• Door Features, page 4-5
Opening the Router Door
To access the router interior, you must open the router front door. Many of the router hardware
installation tasks require you to open the router door and access the router interior. These tasks include:
• Installing Cisco Connected Grid modules
• Installing some module antenna models
• Connecting and cabling the router ports
• Installing battery backup units
• Installing a non-Cisco module on the router
• Using the power and reset buttons
• Viewing the LEDs on the router interior
Preparing to Open the Door
The router door can be opened while the router is powered on and connected to the network. Take any
safety precautions described in
Safety Information, page 4-2.
Tools You Supply
You must provide a 1/2-inch (13-mm) box-end wrench or socket set to open and close the router chassis
door.