Cisco Cisco Aironet 1600i Access Point 技术参考

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Cisco Aironet Series 1600/2600/3600 Access Point Deployment Guide, Release 7.5
  Access Point Physical Hardware and Mounting Options
If the AP will be mounted directly to a ceiling on the gridwork, then AIR-AP-BRACKET-1 mounts flush 
and has the lowest profile. However, if the AP will be mounted to an electrical box or other wiring 
fixture, or inside a NEMA enclosure or perhaps wall mounted, then AIR-AP-BRACKET-2 is a better 
choice.  The extra space in the bracket allows for wiring, and the extra holes line up with many popular 
electrical boxes.  When mounting the bracket to the ceiling gridwork, some ceiling tiles are recessed. 
For this reason,  two different styles of ceiling clips, recessed and flush rails, are available (
).
Figure 15
Recessed and Flushed Ceiling Grid Clips
 
Note
Different clips are available for attaching to ceiling grid work
Channel Rail Adapters - Cisco Part Number AIR-CHNL-ADAPTER 
When mounting APs to ceiling channel rails such as the ones shown in 
, an optional channel 
adapter is used:  AIR-CHNL-ADAPTER. It comes in a two-pack and attaches to the ceiling grid clip 
above. Refer to 
 an
Figure 16
Example of Channel Rails