Cabletron Systems 9033073 manual RoamAbout Lightning Protector

Page 65

The Antenna Cabling System

RoamAbout Lightning Protector

RoamAbout Lightning Protector

The RoamAbout Lightning Protector is a surge arrestor that protects your sensitive RoamAbout equipment from high-voltage currents caused by discharge and transients at the antennas.

Table C-3 lists the specifications for the RoamAbout Lightning Protector.

Table C-3 Lightning Protector Specifications

Mechanical

Size

Height

69 mm (2.7 in)

Diameter

26 mm (1 in)

 

 

 

Weight

 

133 g (4.7 oz.)

 

 

Connectors1

 

FCC Countries

Reverse Polarity-N (Male on both ends)

ETSI Countries

Standard-N (Female on both ends)

France

Standard-N (Female on both ends)

Japan

Standard-N (Female on both ends)

Operating Temperature

-40°C to +85°C (-40°F to +185°F)

Electrical

 

 

 

Frequency Range

800-2500 MHz

 

 

Insertion Loss

0.2 dB

 

 

Surge Current

2000 Amp

 

 

Nominal Impedance

50 Ohms

1See Selecting the Correct Connector Type on page C-1.

Outdoor Antenna Installation Guide

C-5

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Contents RoamAbout 802.11 Outdoor Antenna Installation Guide Page RoamAbout 802.11 Outdoor Antenna Installation Guide Page Canada Regulatory InformationOutdoor Antenna Installation Guide Your email address Getting HelpPage Table of Contents Determining Range & Clearance RoamAbout 14-dBi Directional Antenna Page Who Should Use This Guide IntroductionAbout This Guide Installing the Antenna Installation GuidelinesOrganization of this Guide Introduction This ChapterAppendix D Calculating Range & Clearance Appendix C The Antenna Cabling SystemRoamAbout Outdoor Kit Introduction Configuration and Management Installing a RoamAbout Access PointHardware Specifications Finding Additional InformationOther Sources of Information Additional files on your diskettesPage Site Prerequisites Installation GuidelinesOverview of the Indoor Installation Pre-Installation ChecklistSelecting the Right RoamAbout PC Card Indoor Installation OverviewRoamAbout PC Card Identification Installation Guidelines Placement of the RoamAbout Access Point Installation Guidelines Antenna Cable Route Placement of the Lightning ProtectorInstallation Guidelines Antenna Mast/Wall Bracket not included in kit Overview of the Outdoor InstallationAntenna Placement Potential Obstacles for a Directional Antenna Tripod Mount Antenna Mast/Wall BracketAntenna Mast Requirements Wall Side MountRoamAbout Antennas Grounding SystemAntenna Polarization Antenna Alignment AP Manager Point-to-Point Diagnostics ScreenAntenna Cable Routing Before Climbing the Roof Page Fresnel Zone Determining Range ClearanceDetermining Range & Clearance Other Considerations Page Planning the Antenna Installation Installing the AntennaElectrical Hazard Warnings Safety PrecautionsElectrical Hazard Warnings Installation Overview Mounting on a Mast Mounting the AntennaMounting the Directional Antenna Prevent damage to the plastic antenna mounting base Mounting on a Flat Surface Mounting the 14-dBi Antenna to a Wall Mounting the Omni-directional AntennaMounting the Omni-Directional Antenna to a Mast Connecting the Antenna Cable Installing the Antenna Sealing the Cable Connectors General Description Contents of the Antenna BoxRoamAbout 14-dBi Directional Antenna RoamAbout 14-dBi Directional Antenna Table A-1 Specifications 14-dBi Directional AntennaRoamAbout 7-dBi Omni Directional Antenna RoamAbout 7-dBi Omni-Directional Antenna Outdoor Cabling Components Selecting the Correct Connector TypeAntenna Cabling System Antenna Cabling System Table C-1 Selecting the Correct N-Type ConnectorOutdoor Cabling Components Table C-2 Cable Assembly Specifications RoamAbout Cable AssemblyRoamAbout Lightning Protector Table C-3 Lightning Protector SpecificationsFigure C-1 Lightning Protector Installation InstallationRoutine Maintenance Low-Loss Antenna Cable Table C-4 Cable Specifications for the 6m 20 ft AntennaTable C-6 Cable Specifications for the 22m 75 ft Antenna Table C-5 Cable Specifications for the 15m 50 ft AntennaPage Introduction Calculating Range ClearanceDynamic Range Budget MBit/s Omni-Directional 7-dBi Table D-1 Dynamic Range FCCTable D-2 Dynamic Range ETSI. France & Japan Determine Line-of-Sight Clearance Link speed versus RangeDynamic Range Minimum Clearance Maximum Range Table D-3 Minimum Clearance for Maximum RangeCalculating Range & Clearance Determine Typical Range Table D-4 Actual Clearance and Typical Range Which Antenna do You Need