Enterasys Networks 9033348-02 - page 18

Determining the Antenna Locations

1-6 Site Preparation

Figure 1-2: Potential Obstacles to Line of Sight (not to scale)

Power lines blocking line of sight

Building blocking line of sight

Trees blocking line of sight

100_02

Contents

Main Page i Notice Regulatory Information Canada USA - Federal Communications Commission (FCC) Europe - EU Declaration of Conformity User Information Electrical Hazard Warnings Page Contents Preface 1 Site Preparation 2 Access Point Placement and Configuration 3 Antenna Installation A Specifications Preface Intended Audience Associated Documents Getting Help Document Conventions Chapter 1 Site Preparation Choosing a Wireless Network Configuration Determining the Antenna Locations Maximum Distances Between Antennas Determining the Antenna Locations Table 1-1: Distances and Line of Si ght Clearance (FCC) Table 1-2: Distances and Line of Si ght Clearance ETSI RoamAbout PC Card Variations Line of Sight Page Page Other Factors That Can Reduce Antenna Range Other Requirements Antenna Options RoamAbout 5 dBi Vehicle-Mount Antenna 1-10 Site Preparation RoamAbout 14 dBi Directional Antenna Site Preparation 1-11 Figure 1-5: Example Outdoor Yagi Antenna Configuration RoamAbout 7 dBi Omni-Directional Antenna Site Preparation 1-13 Figure 1-6: Example Omni-Directional Antenna Configuration Contacting an Antenna Installation Company Page Page Chapter 2 Access Point Placement and Configuration Determining the Location of the Access Point Overview of Connecting Cables to the Access Point Page Overview of the Access Point Configuration Page Page Chapter 3 Antenna Installation Installation Overview Verify Component Connector Polarity Male Female Grounding System Lightning Protector Installation Page Mounting the Antenna Requirements for the Directional and 7 dBi Omni-Directional Antennas Antenna Polarization Mounting the Directional Antenna Antenna Installation 3-9 Mounting the Antenna Figure 3-3: Mounting the 14 dBi Antenna to a Mast Figure 3-4: Mounting the 14 dBi Antenna to a Wall Mounting the Omni-Directional Antenna Page Mounting the Vehicle-Mount Antenna Connecting the Antenna Cables Antenna Cable Route D C B A Connecting the Cables Optimizing RoamAbout Outdoor Antenna Placement Routine Maintenance Appendix A Specifications RoamAbout 14 dBi Directional Antenna Page RoamAbout 7 dBi Omni-Directional Antenna Vehicle-Mount Antenna RoamAbout Pigtail Connection Low-Loss Antenna Cable Low-Loss Antenna Cable Table A-6: Cable Specifications for the 15 Meter (50 Foot) Antenna Table A-7: Cable Specifications for the 22 Meter (75 Foot) Antenna RoamAbout Lightning Protector