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CiscoASR 9000 Series Aggregation Services Router Hardware Installation Guide
Chapter2 Unpacking and Installing the Chassis
Installing Chassis Accessories
Installing Optional Air Baffles on the Cisco ASR 9904 Router
The Cisco ASR 9904 Router has an optional air baffle accessory kit (ASR-9904-BAFFLE=) for
mounting the router chassis in a 2-post 23-inch rack. The accessory kit includes:
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Two adapter plates
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Two air baffles (left and right)
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Two air deflectors
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Twenty-eight 12-24 screws for attaching the air baffles and air deflectors to the adapter plate
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Eight 8-32 screws for securing the side baffles to the air deflectors
Air baffles allow for front-to-back air flow through the chassis and help isolate exhaust air from the
intake air. For air baffle dimensions, see Figure2-80 and Figure 2-81.
If you ordered the air baffle accessory kit, follow these steps to install it:
Step1 Attach the adapter plates (Figure 2-73) to the left and right rack rails using customer-supplied rack
screws (we recommend a minimum of ten per side). These screws can vary in size and type depending
on the rack that you use. Torque the screws to the weight specified for your particular rack.
Figure2-73 Attaching the Adapter Plates to the Left and Right Rack Rails on the
CiscoASR 9904 Router Chassis
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