Cisco ASR 9000 Series Manual page 32

Site Requirement Guidelines
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:
This figure shows the side and rear chassis air-flow clearance requirements for mounting the router in a 4-post
enclosed rack.
Cisco ASR 9912 Clearance Requirements
To install the Cisco ASR 9912 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 open area (80 percent for 800-mm racks)
.
• Ensure that you have the following clearances around the chassis:
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
32
◦ Rear: Minimum of 6 inches (25.4 cm) of clearance.
◦ Sides: Minimum of 2.87 inches (7.28 cm) of clearance on each side of the chassis.
◦ Rear: Minimum of 10 inches (25.4 cm) of clearance.
◦ Sides: Minimum of 2.87 inches (7.28 cm) of clearance on each side of the chassis.
Preparing for Installation