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Chapter 1 Preparing for Installation
Site Requirement Guidelines
Caution Do not install the Cisco ASR 9001 Router in any type of fully-enclosed rack that does not have the required perforated sides or doors; the router requires an unobstructed flow of cooling air to maintain acceptable operating temperatures for its internal components. Installing the router in any type of fully-enclosed rack without proper perforation could disrupt the air flow, trap heat next to the chassis, and cause an over-temperature condition inside the router.
Air Flow Guidelines for Enclosed Rack Installation
To install a Cisco ASR 9001 Router in a 4-post enclosed cabinet, the front and rear doors of the cabinet must be removed or be perforated with a minimum of 65% open area (70% for ETSI 800mm racks).
If you are mounting the chassis in a 4-post enclosed cabinet, ensure that you have these clearances aound the chassis:
•Rear: Minimum of 3.15 inches (8.00 cm) of clearance
•Sides: Minimum of 6 inches (15.24 cm) of clearance on each side of the chassis.
Figure 1-8shows the side and rear chassis air flow clearance requirements for mounting the
Cisco ASR 9001 Router in a 4-post enclosed rack.
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