Cisco ASR 9000 Series Manual page 30

Site Requirement Guidelines
This figure shows the side and rear chassis air-flow clearance requirements for mounting the Cisco ASR 9010
Router in a 4-post enclosed rack.
Figure 23: Cisco ASR 9010 Router Clearance Requirements for an Enclosed 4-Post Rack Installation
Cisco ASR 9904 Clearance Requirements
To install the Cisco ASR 9904 Router in a 4-post enclosed cabinet:
• Ensure that you have the following clearances around the chassis:
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
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◦ Rear: Minimum of 2.45 inches (62.2 cm) of clearance.
◦ Sides: Minimum of 6.00 inches (152.4 cm) of clearance on each side of the chassis.
Preparing for Installation