User guide

Building Your Canopy Network March 2005
Through Software Release 6.1
Issue 1 Page 259 of 425
Canopy System User Guide
Figure 98: Module information screen for PDA access, Release 4.2
19.2 INSTALLING AN AP
To install the Canopy AP, perform the following steps.
Procedure 23: Installing the AP
1. Begin with the AP in the powered-down state.
2. Choose the best mounting location for your particular application. Modules need
not be mounted next to each other. They can be distributed throughout a given
site. Mounting can be done with stainless steel hose clamps or another
equivalent fastener.
NOTE: Canopy products offer no software utility for alignment of APs or
Backhaul timing master modules.
3. Align the AP as follows:
a. Move the module to where the link will be unobstructed by the radio horizon
and no objects penetrate the Fresnel zone. (The Canopy System Calculator
page AntennaElevationCalcPage.xls
automatically calculates the minimum
antenna elevation that is required to extend the radio horizon to the other end
of the link. The Canopy System Calculator page FresnelZoneCalcPage.xls
automatically calculates the Fresnel zone clearance that is required between
the visual line of sight and the top of a high-elevation object.)
b. Use a local map, compass, and/or GPS device as needed to determine the
direction that one or more APs require to each cover the intended 60° sector.
c. Apply the appropriate degree of downward tilt. (The Canopy System
Calculator page DowntiltCalcPage.xls
automatically calculates the angle of
antenna downward tilt that is required.)
d. Ensure that the nearest and furthest SMs that must register to this AP are
within the beam coverage area. (The Canopy System Calculator page
BeamwidthRadiiCalcPage.xls automatically calculates the radii of the beam
coverage area.)
4. Using stainless steel hose clamps or equivalent fasteners, lock the AP in the
proper direction and downward tilt.