Motorola Canopy Backhaul Module Guía de usuario descargar pdf (Pagina 107)

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101

Designing Your Canopy Network March 2005

Through Software Release 6.1

Issue 1 Page 107 of 425

Canopy System User Guide

12.4 SELECTING SITES FOR NETWORK ELEMENTS

The Canopy APs must be positioned

◦ with hardware that the wind and ambient vibrations cannot flex or move.

◦ where a tower or rooftop is available or can be erected.

◦ where a grounding system is available.

◦ with lightning arrestors to transport lightning strikes away from equipment.

◦ at a proper height:

− higher than the tallest points of objects immediately around them (such as

trees, buildings, and tower legs).

− at least 2 feet (0.6 meters) below the tallest point on the tower, pole, or roof

(for lightning protection).

◦ in line-of-sight paths

− to the SMs and BH.

− that will not be obstructed by trees as they grow or structures that are later

built.



NOTE:

Visual line of sight does not guarantee radio line of sight.

◦ away from high-RF energy sites (such as AM or FM stations, high-powered

antennas, and live AM radio towers).

12.4.1 Resources for Maps and Topographic Images

Mapping software is available from sources such as the following:

◦ http://www.microsoft.com/streets/default.asp

− Microsoft Streets & Trips (with Pocket Streets)

◦ http://www.delorme.com/software.htm

− DeLorme Street Atlas USA

− DeLorme Street Atlas USA Plus

− DeLorme Street Atlas Handheld

Topographic maps are available from sources such as the following:

◦ http://www.delorme.com/software.htm

− DeLorme Topo USA

− DeLorme 3-D TopoQuads

◦ http://www.usgstopomaps.com

− Timely Discount Topos, Inc. authorized maps

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