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CiscoASR 9000 Series Aggregation Services Router Hardware Installation Guide
Chapter1 Preparing for Installation
Site Requirement Guidelines
Cisco ASR 9922 Clearance Requirements
To install the CiscoASR 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 ETSI 800-mm racks).
•Ensure that you have the following clearances around the chassis:
–
Rear: Minimum of 10 inches (25.4 cm) of clearance.
–
Sides: Minimum of 2.87inches (7.28 cm) clearance on each side of the chassis.
Figure 1-26 shows the clearance requirements for mounting the CiscoASR 9922 Router in a 4-post
enclosed rack.