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• For the cooling system to function properly, the airflow around the chassis must be unrestricted.
Allow at least 36 in. (91.44 cm) of clearance between front-to-rear-cooled routers. Allow 2.8 in.
(7 cm) between the side of the chassis and any non-heat-producing surface such as a wall.
NOTE: To help redirect exhaust air away from the chassis, there is an optional adjustable air
baffle that can be installed on the upper fan tray access.
• For service personnel to remove and install hardware components, there must be adequate space at
the front and back of the router. Allow at least 36 in. (91.44 cm) in front of the router and
36 in. (91.44 cm) behind the router.
• The rack or cabinet must have an adequate supply of cooling air.
• Ensure that the cabinet allows the hot exhaust air of the chassis to exit from the cabinet without
recirculating into the router.
• The router must have the shipping covers installed to help move the router into the rack or cabinet.
• The router must be installed into a rack or cabinet that is secured to the building structure.
• The cabinet must be clear of any hardware, device, rack, or cabinet component that obstructs the 34-
U rack space from being access during installation.
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