User's Manual

Table Of Contents
Opening the Router Chassis
This section describes how to open the Cisco ASR 901S Series Aggregation Services Router door so that you
can access the interior of the chassis.
To access the router interior, you must open the router door that is located in the lower section of the front
panel of the router chassis. Many of the router hardware installation tasks require you to open the router door
and access the router interior to install or change cables, optical modules, and so on).
Opening the Router Door
The router door can be opened while the router is powered on and connected to the network. Take any safety
precautions described in the Safety Guidelines, on page 13.
The router door features four captive, M8 bolts and two M3 bolts (see following figure).
Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide
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Installing the Router
Opening the Router Chassis
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