Cisco ASR 9901 Hardware Installation Manual page 21

Preparing for Installation
Telco 2-Post Rack
Figure 10: Cisco ASR 9901 Router Mounted in a 2-Post Rack
Cisco ASR 9001 Router
In the front-mounted position, you secure the chassis rack-mounting brackets directly to the rack posts (see
the following figure).
Note The mounting brackets on the Cisco ASR 9001 Router chassis have a pair of holes at the top and bottom of
each bracket and three slots (elongated holes). If the Cisco ASR 9001 Router is to be mounted in a 2-post
19-inch rack, you must first use the holes to locate and position the brackets on the rack. Insert screws through
the bracket holes into the rack before inserting screws through the bracket slots.
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
13