• Ensure that you have the following clearances around the chassis:
• Rear and front: Minimum of 6.00 inches (15.24 cm) of clearance.
• Sides: Minimum of 2.95 inches (7.49 cm) of clearance on each side of the chassis.
This figure shows the side, front, and rear chassis air-flow clearance requirements for mounting the Cisco
ASR 9906 Router in a 4-post enclosed rack.
Figure 23: Cisco ASR 9906 Router Clearance Requirements in a 4-Post Rack Installation
Cisco ASR 9910 Router Clearance Requirements
To install the Cisco ASR 9910 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 open area (80 percent for 800-mm racks).
• Ensure that you have the following clearances around the chassis:
• Rear: Minimum of 6 inches (15.24 cm) of clearance.
• Sides: Minimum of 2.87 inches (7.28 cm) of clearance on each side of the chassis.
This figure shows the side and rear chassis air-flow clearance requirements for mounting the router in a 4-post
enclosed rack.
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
23
Preparing for Installation
Cisco ASR 9910 Router Clearance Requirements
