5-57
Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-03
Chapter 5 Installing and Upgrading Internal Modules and FRUs
2911 Front to Back Air Flow Converter
Figure 5-48 Inserting the Outer Piece to the Chassis
Step 5
Repeat the same steps and assemble the 2911 Air Converter on the other side of the router. The rack
mount brackets can stay in the position, as shown, or can be moved to any of the positions shown. See
Figure 5-49.
Note The hexagonal vent patterns on each Air Converter assembly should be oriented in different
directions when installed on opposite sides of the router, to facilitate front-to-back or
back-to-front air movement.
Note Once both 2911 air converters are attached to the opposite sides of the router and all screws used
to attach the converter pieces are tightened to at least 15 in-lb, user can then install the 2911 with
air converter into an EIA 23" rack. See the “Mounting the Router in a Rack” section on
page 3-10" for details on how to install router in a rack.
1 Flat head screws (48-0965-01)
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