Site Requirement Guidelines
Cisco ASR 9912 Clearance Requirements
To install the Cisco ASR 9912 Router in a 4-post enclosed cabinet:
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Figure 1-27
a 4-post enclosed rack.
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
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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 ETSI 800-mm racks).
Ensure that you have the following clearances around the chassis:
Rear: Minimum of 10 inches (25.4 cm) of clearance.
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Sides: Minimum of 2.87 inches (7.28 cm) of clearance on each side of the chassis.
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shows the side and rear chassis air-flow clearance requirements for mounting the router in
Chapter 1
Preparing for Installation