Hughes AN8-098R Manuel utilisateur

1037752-0001

Revision A

June 17, 2008

.98m Ka-Band Antenna

Installation Guide

Model: AN8-098R

No part of this publication may be reproduced in any form or by any means without the written

permission of Hughes Network Systems, LLC, 11717 Exploration Lane, Germantown, Maryland 20876.

Hughes Network Systems, LLC has made every effort to ensure the correctness and completeness of

the material in this document. Hughes Network Systems, LLC shall not be liable for errors contained

herein. The information in this document is subject to change without notice. Hughes Network Systems,

LLC makes no warranty of any kind with regard to this material, including, but not limited to, the implied

warranties of merchantability and fitness for a particular purpose.

Trademarks

Hughes, HughesNet, Hughes Network Systems, and SPACEWAY are trademarks of Hughes Network

Systems, LLC. All other trademarks are the property of their respective owners. This product is

compatible with the Hughes SPACEWAY system.

Revision record

Revision Date of issue Scope

A June 17, 2008 Production Release

• Important safety information

1037752-0001 Revision A iii

Important safety information

For your safety and protection, read this entire installation guide

before attempting to install the AN8-098R Ka-band antenna. In

particular, read this safety section carefully. Keep this safety

information where you can refer to it if necessary.

Types of warnings used

in this manual This section introduces the various types of warnings used in this

manual to alert you to possible safety hazards.

DANGER

Indicates an imminently hazardous situation, which, if not

avoided, will result in death or serious injury.

WARNING

Indicates a potentially hazardous situation, which, if not

avoided, could result in death or serious injury.

CAUTION

Indicates a potentially hazardous situation, which, if not

avoided, may result in minor or moderate injury.

CAUTION

Indicates a situation or practice that might result in property

damage.

• Important safety information

iv 1037752-0001 Revision A

Product warning labels The following safety alert labels are affixed to the antenna feed

support arms, radio transmitter, and antenna reflector,

respectively.

These labels advise that the antenna emits radio frequency (RF)

energy. Because of this potential safety hazard, observe all

cautions on these labels and in the next section, Antenna

installation safety.

Feed support arm

Reflector (back side)

Transmitter

Safety alert labels on the antenna assembly

• Important safety information

1037752-0001 Revision A v

Antenna installation

safety Observe the following precautions when installing the antenna.

This manual also includes other safety alerts where appropriate

concerning specific installation procedures.

WARNING

Only Hughes-certified installers may install or service

Hughes antennas and their components. Installers must

expressly acknowledge the Hughes requirements for

Hughes installations.

DANGER

If you work on a roof, tower, or other high structure or use a

ladder or scaffold to access the work site, follow these

precautions to prevent personal injury or death:

•Walk only on sound roof structures.

•Make sure the antenna assembly and installation

surface are structurally sound so that they can support

all loads (equipment weight, ice, and wind).

•Use safety equipment (for example, a lifeline)

appropriate for the work location.

•Follow all manufacturer safety precautions for all safety

and other equipment used.

•Perform as many procedures as possible on the ground.

DANGER

•To avoid electric shock, stay at least 20 ft from power

lines.

•If any part of the antenna or mount assembly comes in

contact with a power line, call the local power company

to remove it. Do not try to remove it yourself.

Failure to heed these warnings could result in serious injury

or death.

WARNING

Properly ground the antenna assembly according to all

federal and local electrical codes.

• Important safety information

vi 1037752-0001 Revision A

WARNING

•Do not work in high wind or rain; or if a storm, lightning,

or other adverse weather conditions are either present

or approaching.

•Do not attempt to assemble, move, or mount the

antenna on a windy day. Even a slight wind can

unexpectedly create sudden strong forces on the

antenna surface.

CAUTION

If the antenna or mount assembly begins to fall during the

installation, do not attempt to catch it. Move away and let it

fall.

WARNING

Antennas that have been improperly installed or attached to

an unstable structure are susceptible to wind damage,

which can be very serious or even life threatening. The

product owner and installer assume full responsibility that

the installation is structurally sound to support all loads

(weight, wind, and ice) and is properly sealed against leaks.

• Important safety information

1037752-0001 Revision A vii

CAUTION

Observe these precautions to avoid exposure to RF

radiation, a potential safety hazard:

•The antenna must be installed in a location not readily

accessible to children and in a manner that prevents

human exposure to potentially harmful levels of

radiation.

•Antennas mounted in Puerto Rico, the continental

United States, or at any site with a greater than 30°

elevation angle must be installed such that the lower lip

of the antenna reflector is at least 5 ft above any surface

upon which a person might be expected to stand, and

3 ft 3 inches from any opening (such as a door or

window) in a building or adjacent structure.

•Antennas mounted in Canada, Alaska, Hawaii, or any

site with a less than 30° elevation must be installed such

that the lower lip of the antenna reflector is at least

5 ft 9 inches above any surface upon which a person

might be expected to stand, and 3 ft 3 inches from any

opening (such as a door or window) in a building or

adjacent structure.

•The antenna must be mounted such that no object that

could reasonably be expected to support a person is

within 6 ft 7 inches of the edges of a cylindrical space

projecting outward from the antenna reflector toward

the satellite.

•If the above distance requirements cannot be met, the

antenna must be mounted in a controlled area

inaccessible to the general public, such as a fenced

enclosure or a roof.

•A fenced installation must have a locked entry, and the

fenced area must be large enough to protect the general

public from exposure to potentially harmful levels of

radiation.

•Access to a roof installation in a commercial, industrial,

or institutional environment must be limited by a door or

a permanently fastened ladder that is locked to deny

access to the general public.

•Once the transmitter becomes operational, maintain a

safe distance; at least 3 feet.

Failure to observe these cautions could result in injury to

eyes or other personal injury.

• Important safety information

viii 1037752-0001 Revision A

CAUTION

•All antennas of any type or size must carry an industry

standard and government approved Radiation Hazard

Caution label on the feed support arm.

•A fenced or roof installation in a commercial, industrial,

or institutional environment must carry a Radiation

Hazard Caution sign on the access door, gate, or

permanently mounted access ladder within plain sight

of anyone approaching the antenna from the front or

sides of the reflector.

Failure to observe these cautions could result in injury to

eyes or other personal injury.

Note: Some installations may require additional precautions. See

the HughesNet Antenna Site Preparation and Mount Installation

Guide (1035678-0001) for more information.

• Contents

1037752-0001 Revision A ix

Contents

Important safety information. . . . . . . . . . . . . . . . . . . . . iii

Types of warnings used in this manual . . . . . . . . . . . . . . . . . . . iii

Product warning labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Antenna installation safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .v

Chapter 1

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

The model AN8-098R antenna. . . . . . . . . . . . . . . . . . . . . . . . . . .1

Antenna installation summary . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Tasks related to antenna installation . . . . . . . . . . . . . . . . . . . . . .4

Selecting the installation site . . . . . . . . . . . . . . . . . . . . . . . . . .4

Installing the antenna mount . . . . . . . . . . . . . . . . . . . . . . . . . .4

Installing the satellite modem. . . . . . . . . . . . . . . . . . . . . . . . . .5

Grounding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Approved cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Chapter 2

Antenna parts and required tools. . . . . . . . . . . . . . . . . . .7

Antenna kit components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Az/El mount assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Reflector bracket and tilt plate . . . . . . . . . . . . . . . . . . . . . . . .10

Antenna reflector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Feed support arms and tailpiece. . . . . . . . . . . . . . . . . . . . . . .11

Radio assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Feed horn and collar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Elevation handle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Related Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Tri-mast (or other antenna mount) . . . . . . . . . . . . . . . . . . .13

Small hardware parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Chapter 3

Installing the antenna and radio assembly . . . . . . . . . .17

Determining the pointing values . . . . . . . . . . . . . . . . . . . . . . . .17

General instructions for assembling the antenna . . . . . . . . . . . .18

Installing the antenna reflector bracket and tilt plate . . . . . . . . .19

Installing the feed support arms and tailpiece . . . . . . . . . . . . . .20

Installing the antenna reflector. . . . . . . . . . . . . . . . . . . . . . . . . .22

• Contents

x1037752-0001 Revision A

Installing the radio assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Adjusting transmit circular polarization. . . . . . . . . . . . . . . . .25

Installing the feed horn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Installing the antenna assembly onto the mast pipe . . . . . . . . . .30

Chapter 4

Cabling and connections . . . . . . . . . . . . . . . . . . . . . . . . .33

Cabling requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Routing the cables at the antenna. . . . . . . . . . . . . . . . . . . . . . . .34

Connecting the transmit and receive cables . . . . . . . . . . . . . . . .36

Transmit cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Receive cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Ground connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Chapter 5

Adjusting the antenna azimuth and elevation. . . . . . . .39

Adjusting the elevation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Adjusting the azimuth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Acronyms and abbreviations . . . . . . . . . . . . . . . . . . . . .45

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

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