Cisco ASR 9000 Series - Page 33

This figure shows the side and rear chassis air-flow clearance requirements for mounting the router in a 4-post
enclosed rack.
Figure 25: Cisco ASR 9912 Router Clearance Requirements in a 4-Post Rack Installation
Cisco ASR 9922 Clearance Requirements
To install the Cisco ASR 9922 Router in a 4-post enclosed cabinet:
•
The front and rear doors of the cabinet must be removed or be perforated with a minimum open area of
70 percent (80 percent for 800-mm racks).
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
33
Preparing for Installation
Site Requirement Guidelines