Cisco 2900 Series Installation Manual page 202

2911 Front to Back Air Flow Converter
Figure 5-43
Figure 5-44
Follow these steps to install the 2911 Air Converter:
Step 1 Remove the screws (three on top and three at the bottom) of the 2911 Air Converter. See
Note
Cisco 2900 Series and 3900 Series Hardware Installation Guide
5-52
Back View of the Cisco 2911 Router with the 2911 Air Converter
Front View of the Cisco 2911 Router Showing Forced Front-to-Back Air Flow Scheme
Set aside these six screws for joining the inner and outer piece in
Chapter 5 Installing and Upgrading Internal Modules and FRUs
Step
Figure 5-45.
4.