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Hughes AN4-074-DF manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    1035567-0001 Re vision A October 31, 2005 Installation Manual f or .74 m K u-band Antenna Model AN4-074-DF For Consumer Installations[...]

  • Page 2

    Copyright © 200 4, 2005 Hughes Netw ork Sy stems, LLC All rights reser ved. This pub lication and its conten ts are proprietar y to H ughes Network Systems, LLC. No part of this publication may be reproduced in any f orm or by any means without the written permission of H ughes Network Systems, LLC , 11717 Exploration Lane , Germantown, Mar yland [...]

  • Page 3

    • Important sa fety informat ion 1035567-0001 Revision A iii Impor tant safety inf ormation For your safety and protection, r ead this entire installation manual before you attempt to install the satellite antenna. In particular , read this safety section carefully . K eep this safety information where you can refer to it if necessary . T ypes of[...]

  • Page 4

    • Important safety info rmation iv 1035567-000 1 Revision A Pr oduct warning labels The follo wing safety alert label is af f ix ed to each side of the satellite antenna feed arm: This label advises that the antenna emits radio frequency (RF) energ y . Because of this poten tial safety hazard, observe all cautions in the fo llo wing section ( Ant[...]

  • Page 5

    • Important sa fety informat ion 1035567-0001 Revision A v D ANGER • T o av oid electric shock, stay at least 20 ft from power lines. • If an y part of the antenna or mount assembl y comes in contact with a po wer line, call y our local power company to remo ve it. Do not try to remo ve it y ourself. Failure to heed these warnings could r esu[...]

  • Page 6

    • Important safety info rmation vi 1035567-000 1 Revision A CA UTION Observe these precauti ons to av oid exposure to RF radiation, a potential saf ety hazar d: • The antenna m ust be installed in a location or manner not readil y accessib le to c hildren an d in a manner that prevents human e xposure to po tentially harmful le vels of radiatio[...]

  • Page 7

    • Important sa fety informat ion 1035567-0001 Revision A vii Some installations ma y require addit ional precautions. See also the Antenna Site Preparation an d Mount Installation Guide (HNS 1035678-0001). CA UTION • All install ations of an y type or si ze must carry an industry standar d and go vernment appr oved Radiation Hazard Caution labe[...]

  • Page 8

    • Important safety info rmation viii 1035567-000 1 Revision A[...]

  • Page 9

    • Contents 1035567-0001 Revision A ix Contents Important safety information . . . . . . . . . . . . . . . . . . . . . iii Types of warnings used in this manual . . . . . . . . . . . . . . . . . . . iii Product warning labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv Antenna installation safety . . . . . . . . . . . . . . [...]

  • Page 10

    • Contents x 1035567-000 1 Revision A Installing a shim for vertical transmit polarization . . . . . . . . . . 21 Installing the radio assembly on the feed arm . . . . . . . . . . . . . . 25 Connecting the feed arm to the antenna reflector. . . . . . . . . . . . 26 Installing the antenna asse mbly onto the mast . . . . . . . . . . . . . . 28 Atta[...]

  • Page 11

    • Figures 1035567-0001 Revision A xi Figures Chapter 1 1. Installed .74 m antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Chapter 2 2. Az/el cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3. Antenna reflector (rear view) . . [...]

  • Page 12

    • Figures xii 1035567-000 1 Revision A Chapter 4 30. Transmit and receive cable configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 31. Connecting the transmit cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 32. Connec ting the rece ive cab le to the LNB . . . . . . . . . . . . . . . . [...]

  • Page 13

    • Tables 1035567-0001 Revision A xiii Tables Chapter 2 1. Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2. Tools required to install and point the antenna. . . . . . . . . . . . . . . . . . . . . . . . . . 10[...]

  • Page 14

    • Tables xiv 1035567-000 1 Revision A[...]

  • Page 15

    • About this document 1035567-0001 Revision A xv About this document Scope and audience This manual ex plains ho w to a ssemble, install, and point the DIRECW A Y ® model AN4-076-DF .74 m antenna. It is written for qualified installers who are famil iar with satellite antenna installation practices and are capab le of properly applyin g the info[...]

  • Page 16

    • About this document xvi 1035567-000 1 Revision A Revisi on recor d This section describes the re vi sion history of this manual. Revision Date of issue Scope 1 April 7, 2004 Initial release A October 31, 2005 Production release[...]

  • Page 17

    Chapter 1 • Overview 1035567-0001 Revision A 1 Chapter 1 Overview The DIRECW A Y model AN4-074-DF .74 m antenna is used for Ku-band consumer installations. This chapter pres ents an ov ervie w of the DIRECW A Y broadband satellite system, a summary of th e antenna installation steps, and information about tasks related to antenna installat ion. T[...]

  • Page 18

    Chapter 1 • Overview 2 1035567-000 1 Revision A Figure 1 sho ws the .74 m antenna installed on a pole mount. Figure 1: Installed .74 m antenna Radio (not visible) in optional sh roud Antenna reflector Fe ed a r m T ransmitter Mast[...]

  • Page 19

    Chapter 1 • Overview 1035567-0001 Revision A 3 Antenna installation o verview The antenna installatio n steps and related tasks are summarized below . The steps in bold type ar e documented in this manual. 1. Choose an installation site. 2. Select a method for mounting the antenna. 3. Install the antenna mount. 4. Install the IDU. 5. Use the inst[...]

  • Page 20

    Chapter 1 • Overview 4 1035567-000 1 Revision A T asks related to antenna installation This section e xplains where you can f ind information on tasks related to antenna installation. Selecting the installation site Fact ors you should co nsider in se lecting an installation site are discussed in the DIRECW A Y Antenna Site Preparation a nd Mount[...]

  • Page 21

    Chapter 2 • Antenna parts and r equired tools 1035567-0001 Revision A 5 Chapter 2 Antenna par ts and required tools This chapter describes the compon ents and parts provided with the model AN4-074-DF an tenna kit. It includes the follo wing sections: • Antenna kit componen ts on page 5 • Small har dwar e list on page 9 • To o l s on page 10[...]

  • Page 22

    Chapter 2 • Antenna parts and required tool s 6 1035567-000 1 Revision A Az/El cap and collar The Az/El cap ( Figure 2 ) is used to point the antenna at the satellite. The Az/El cap is ship ped unassembled ; it can be assembled in about 2 to 5 min. The Az/El cap is shippe d in a bag containing: • Az/El mechanism • Re vo lving plate • Polari[...]

  • Page 23

    Chapter 2 • Antenna parts and r equired tools 1035567-0001 Revision A 7 Feed arm and radio Figure 4 sho ws the feed arm, and Figure 5 sho ws the radio assembly . The ra dio assembly ( Figure 5 ) consists of the transmitter , lo w noise block con v erter (LNB), and transmit/recei ve isolation assembly (TRIA). Figure 4: F eed a rm (unattached) Figu[...]

  • Page 24

    Chapter 2 • Antenna parts and required tool s 8 1035567-000 1 Revision A T rimast (or other antenna mount) The trimast is not part of the ante nna kit. It is shown here because it is the most commonly used mounting option for the .74 m antenna. As sho wn in Figure 6 , the trimast can be configured and manipulated in se veral w ays to adapt it for[...]

  • Page 25

    Chapter 2 • Antenna parts and r equired tools 1035567-0001 Revision A 9 Small har dware list Ta b l e 1 lists the small hardware part s that are included in the antenna kit. Y ou may ha v e hardware left ov er after you ha v e completed installation. If you use the optional shroud, three Phillips head scre ws are included in a bag ta ped to the s[...]

  • Page 26

    Chapter 2 • Antenna parts and required tool s 10 1035567-000 1 Revision A To o l s Ta b l e 2 lists the tools required to as semble, install, and point the antenna. Ta b l e 2 : T ools required to install and point t he antenna T ool Details Open-en d wrench 1/2 in. Open-en d or so cket wr en ch 7/16 in. Sock et wrench or adjustable wrench 5/16 i[...]

  • Page 27

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 11 Chapter 3 Installing the radio and antenna assemb lies This chapter explains ho w to in stall the antenna, radio, and associate d hardw are. T opics include: • Determining the pointing values on page 12 • Assembling the Az/El cap on page 13 • Installing the[...]

  • Page 28

    Chapter 3 • Installing the radio and antenna assemblies 12 1035567-000 1 Revision A Determining the pointing v alues Before proceeding, use the insta llation software to determine the initial v alues to use for setting azimuth, ele v ation, and polarization. Record these v alu es and keep them handy for reference as you install and poin t the ant[...]

  • Page 29

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 13 Assembling the Az/El cap The Az/El cap is shipped un-assem bled. Follo w the directions in this section to assemble it. Y ou sh ould be able to assemble it in about 2-5 min. T o asse mble the Az/El ca p: 1. Place the re v olving plate on a flat surface. See Figur[...]

  • Page 30

    Chapter 3 • Installing the radio and antenna assemblies 14 1035567-000 1 Revision A 4. Place the Az/El mechanism ov er the re v olving plate so the bolt holes align. 5. Install a bolt from underneath the re v olving plate. While holding it with one hand, install the 7/ 16-in. flat w asher and nut. See Figure 10 . 6. Repeat until all four bolts ar[...]

  • Page 31

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 15 Installing the Az/El cap onto the antenna Before you attach the Az/El cap to the antenna, you must set the antenna ele v ation and polarization. As you set the ele v ation and polarization, refer to Figure 11 . The cap has an arrow , labeled TO P , to sho w you h[...]

  • Page 32

    Chapter 3 • Installing the radio and antenna assemblies 16 1035567-000 1 Revision A Adjusting elev ation This section describes ho w to adju st the antenna ele v ation to the v alue determined by the installation software. Later , when you point the antenna, yo u f ine-tune the ele vation adj ustment. Figure 13 illustrates ho w you adjust the ele[...]

  • Page 33

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 17 3. Use a 1/2-in. socket wrench or open-end wrench to loosen the two ele vation nuts. See Figure 14 . 4. Locate the elev a tion reference edge on the ele v ation scale on the right side of the cap assembly . See Figures 14 and 15 . 5. Mov e the canister until the [...]

  • Page 34

    Chapter 3 • Installing the radio and antenna assemblies 18 1035567-000 1 Revision A Adjusting polarization This section describes ho w to adju st the antenna’ s polarization to the v alue determined by the installation software. Later , when you point the antenna, yo u f ine-tune the polarizat ion adjustment. Figure 16 illustrates ho w you adju[...]

  • Page 35

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 19 5. Place the Az/El cap ov er the sc re w holes in the back of the antenna reflector ( see Figure 17 ). Make sure the Az/El cap mount scre w holes are properly aligned with the holes in the antenna reflector . The arrow on the Az/El labeled TOP should point to th [...]

  • Page 36

    Chapter 3 • Installing the radio and antenna assemblies 20 1035567-000 1 Revision A Installing the fine ele v ation pointing tool The fine el e v ation pointing tool ( Figure 18 ) consists of a long ele v ation adjustment bolt with a cl amp on on e end and a flange on the other end. The clamp and flange attach to the Az/El cap as sho wn in Figure[...]

  • Page 37

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 21 Installing a shim f or ver tical transmit polarization F ollow the instructions in this section only if installation specifications or a service or der states that vertical transmit polarization is r equir ed. If vertical transmit polarization is not required, go[...]

  • Page 38

    Chapter 3 • Installing the radio and antenna assemblies 22 1035567-000 1 Revision A Figure 20 illustrates the difference between the horizontal shim and vertical shim. Note the positions of the al ignment pins. 4. Remov e the horizontal shim an d O-ring. 5. Install the vertical shim and O-ring in t he same location. Because of its shape and align[...]

  • Page 39

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 23 Because of the shim’ s alignmen t pins, you must rotate the TRIA 90 ° from its horizontal polarization position. Y ou must rotate the TRIA befor e you re-attach the w a ve guid e end so you can insert the shim alignm ent pins into the wa ve guide end plate. Se[...]

  • Page 40

    Chapter 3 • Installing the radio and antenna assemblies 24 1035567-000 1 Revision A Figure 22 shows ho w the TRIA is positioned for horizontal transmit polarization compared to ho w it is positioned for vertical transmit polarization. 6. Make sure the O-ring sho wn in Figure 21 on page 23 is in place in the shim. 7. W ith the TRIA correct ly posi[...]

  • Page 41

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 25 Installing the radio assembl y on the feed arm If the radio assembly is already att ached to the feed arm, skip this section and go t o Connecting the feed arm to the antenna r eflector o n page 26 . Follo w these steps to install the radio assembly on the feed a[...]

  • Page 42

    Chapter 3 • Installing the radio and antenna assemblies 26 1035567-000 1 Revision A 6. Use a 5/16-in. socket wrench or open-end wrench to tighten the bolts attaching the transmitter to the feed arm. 7. Make sure the transmitter and f eed arm are oriented correctly , as sho wn in Figure 24 . 8. Attach the transmitter to the bot tom of the feed arm[...]

  • Page 43

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 27 T o connect the fee d arm to the a ntenna reflect or: 1. Insert the 5/16-18 wedge nut, th inner end f irst, into the slot pro vided on the back of the reflector , as shown in Figure 25 . The wedge nut is ke ye d so that it will f it properly only one way into its[...]

  • Page 44

    Chapter 3 • Installing the radio and antenna assemblies 28 1035567-000 1 Revision A Installing the antenna assembl y onto the mast This section describes ho w to install the antenna assembly (including the Az/El cap) onto th e mast. T o install the antenna as sembly onto the mast: 1. Lightly grease the area at the end of the mast or metal pole th[...]

  • Page 45

    Chapter 3 • Installi ng the radio and antenna assemb lies 1035567-0001 Revision A 29 Attaching the optional shroud This section expl ains ho w to attach the optional shroud to the feed assembly . The shroud helps protect the feed assembly and improv es its appearance, b ut it is not required. One side of the shroud is wider than the other . Y ou [...]

  • Page 46

    Chapter 3 • Installing the radio and antenna assemblies 30 1035567-000 1 Revision A 2. Use a No. 2 Phillips-head scre wdri v er to install the bottom scre w . See Figure 28 . 3. Optional: Install the two side scre ws. The final assembly will look like Figure 29 . Figure 28: Shroud scre ws Figure 29: F eed assemb ly with shroud Side screw holes, o[...]

  • Page 47

    Chapter 4 • Cabling and co nnections 1035567-0001 Revision A 31 Chapter 4 Cab ling and connections This chapter illustrates where the ODU transmit, recei ve, and ground connecto rs are located; sho ws ho w to route the transmit and recei ve cables at the ODU, and explains ho w to connect the transmit and recei ve cables to the radio assembly . Y [...]

  • Page 48

    Chapter 4 • Cabling and connectio ns 32 1035567-000 1 Revision A Routing the cables at the ODU Route the coaxial transmit and recei ve cables at the ODU as follo ws: 1. Route the transmit cable (marked with blue electrical tape) to the back of the transmitter in a conf iguration similar to that sho wn in Figure 30 . 2. Route the receiv e cable (m[...]

  • Page 49

    Chapter 4 • Cabling and co nnections 1035567-0001 Revision A 33 Connecting the transmit and receive cables This section explains ho w to connect the transmit and recei ve cables to the radio assembly . T ransmit cable Connect the transmit cable to the transmitter as follo ws: 1. From inside the building, disconnect the IDU po wer supply . 2. Go o[...]

  • Page 50

    Chapter 4 • Cabling and connectio ns 34 1035567-000 1 Revision A Receive cable Connect the recei ve cable to the LNB as follo ws: 1. Connect the receiv e cable (mar ked with red tape) to the LNB connector as illustrated in Figure 32 . 2. T ighten the cable connector with a 7/16-in. wrench. 3. Apply dielectric silicon e grease to the connection. 4[...]

  • Page 51

    Chapter 4 • Cabling and co nnections 1035567-0001 Revision A 35 Gr ound connection Figure 33 shows the location of the ground scre w on the transmitter . Ground the tran smitter and mast. F or grounding procedures, refer to your traini ng, best grounding practices, and applicable parts of the NEC. Figure 33: Ground screw on the transmitt er Groun[...]

  • Page 52

    Chapter 4 • Cabling and connectio ns 36 1035567-000 1 Revision A[...]

  • Page 53

    Chapter 5 • Pointing the ant enna 1035567-0001 Revision A 37 Chapter 5 P ointing the antenna This chapter explains ho w to point the antenna and connect the transmitter . T o pics include: • Antenna pointing overvie w on page 38 • Pr er equisites for antenna pointing on page 41 • Adjusting the antenna on pag e 42 • Checking the azimuth, e[...]

  • Page 54

    Chapter 5 • Pointing the an tenna 38 1035567-000 1 Revision A Antenna pointing o verview This chapter describes a general procedure for point ing the antenna. The objecti ves for antenna pointing are to: • Locate and detect the satellite signal • Peak the signal to achie ve th e greatest possible signal strength Using the installation softwar[...]

  • Page 55

    Chapter 5 • Pointing the ant enna 1035567-0001 Revision A 39 By obtaining the strongest possibl e signal you ensure that the terminal can use all the system’ s capacity . P ersonnel requirements One person can point the antenna if an OPI is used. Otherwise, pointing is usually a two-person task. One person aims and adjusts the antenna while the[...]

  • Page 56

    Chapter 5 • Pointing the an tenna 40 1035567-000 1 Revision A The OPI attaches to the receiv e cable from the LNB, as sho wn in Figure 35 . Note that the OPI will not w ork unless it is enabled on the appropriate screen on the in stallation software. (Check the box labe led Enable OPI Display .) For further details, see Outdoor P ointing Interfac[...]

  • Page 57

    Chapter 5 • Pointing the ant enna 1035567-0001 Revision A 41 Prerequisites f or antenna pointing The follo wing are required for antenna pointing: • The antenna must be installed. • The IDU must be installed. • The transmit and recei ve cables must be connected to the IDU and ODU. • The outdoor pointing interface (OPI) must be installed. [...]

  • Page 58

    Chapter 5 • Pointing the an tenna 42 1035567-000 1 Revision A Adjusting the antenna T o point the ante nna you mak e three adjustment s: • Azimuth – Side-to-sid e adjustment • Ele v ation – Adj ustment up and do wn • Polarization – Rotational adjustment These adjustments are illustrated in Figure 37 . The correspondin g mechanical adj[...]

  • Page 59

    Chapter 5 • Pointing the ant enna 1035567-0001 Revision A 43 P ointing adjustments on Az/El cap Figures 38 and 39 sho w the antenna parts that are used to adjust antenna azimuth, ele v ation, and polarization. Figure 38: P ointing features on the Az /el cap Figure 39: Antenna adjustm ent locations P olar ization scale Holes for installing fine el[...]

  • Page 60

    Chapter 5 • Pointing the an tenna 44 1035567-000 1 Revision A Checking the azim uth, elev ation, and polarization settings 1. Check to see if the ele v ation reference and polarization settings are still at their pre viously set v alues (the v alues calculated by the installation software). If the y are not, see Installing the Az/El ca p onto the[...]

  • Page 61

    Chapter 5 • Pointing the ant enna 1035567-0001 Revision A 45 Receive pointing Recei ve pointing peaks the recei v e signal. Y ou must peak the signal e ven if the antenna is lock ed to it. Use the installation software to check the signal strength. Then adjust the antenna to peak the signal. The installation software sho ws numerical and graphic [...]

  • Page 62

    Chapter 5 • Pointing the an tenna 46 1035567-000 1 Revision A not yet moved to mark 3 on the mast, return to step 1 (in Adjusting azimuth ) and adjus t it again. K eep mo ving the reflector a little at a time until you get a signal. 4. Keep moving the antenna reflector a little at a ti me until you detect a signal or until you reach the limit to [...]

  • Page 63

    Chapter 5 • Pointing the ant enna 1035567-0001 Revision A 47 Adjusting elev ation Figure 42 illustrates ho w you adjust th e ele v ation by mo ving the antenna up and do wn. Fine-tune the a ntenna ele vation as fo llo ws: 1. Loosen the two ele v ation nuts. See Figure 43 . The ele v ation nuts are located on the curv ed slots on each side of the [...]

  • Page 64

    Chapter 5 • Pointing the an tenna 48 1035567-000 1 Revision A 2. While watching the signal st rength di splay , adjust the ele v ation adjustment nuts by turning them a fe w turns clockwise and counterclockwise until you peak the signal again. 3. When the signal is peaked, tighten the tw o ele v ation nuts. (See Figure 43 on page 47 .) 4. T o be [...]

  • Page 65

    Chapter 5 • Pointing the ant enna 1035567-0001 Revision A 49 7. While watching the signal strength number to ensure that it stays at maximum, tighten the el ev ation nuts in the following sequence: a. Snug the left nut b ut do not completely tighten it. b . Snug the right nut b ut do not completely tighten it. c. Fully tighten the left nu t (torq[...]

  • Page 66

    Chapter 5 • Pointing the an tenna 50 1035567-000 1 Revision A Isolating the transm it signal T o prev ent signal cross talk, you use a pro cedure kno wn as Automated Cross Polarization (A CP ) to isolate the transmit signal from the recei ve signal. A CP is included in the installation software. The A CP software operates in two dif ferent modes?[...]

  • Page 67

    Chapter 5 • Pointing the ant enna 1035567-0001 Revision A 51 The following steps ar e necessary only if the antenna does not pass the manual ACP test: 1. Loosen the two ele v ation nuts. In the follo wing steps you mak e v ery small adjustments in azimuth and elev ation. If you make too great a change, you lose the recei ve si gnal and the test c[...]

  • Page 68

    Chapter 5 • Pointing the an tenna 52 1035567-000 1 Revision A Final steps After pointing, mak e sure the requ ired safety labels and/or signs are present: • Make sure a Radiation Hazar d Caution label is present, legib le, and visible o n the feed arm. • If the antenn a is encl osed b y a fence, make s ure a Radi ation Hazar d Caut ion sign i[...]

  • Page 69

    • Acronyms and abbreviations 1035567-0001 Revision A 53 Acr on yms and abbre viations F ft-lbf – Foot-pound force I IDU – Indoor unit in. – Inch L LNB – Low noise block converter M m – Meter min – Minute mm – Millimeter N NEC – National Electrical Code NOC – Network Operations Center O ODU – Outdoor unit OPI – Outdoor pointi[...]

  • Page 70

    • Acronyms and abbreviations 54 1035567-000 1 Revision A[...]

  • Page 71

    • Index 1035567-0001 Revision A 55 Inde x A Antenna adjustment locations 43 installing onto the mast 28 mount 4 pointing 38 isolating the transmit signal 50 receive pointing 45 reflector 6 Az/El cap 6 assembling 13 installing 15 Azimuth, adjusting 44 C Cables 4 connecting 32 Components 5 Connectors 31 E Elevation adjusting 47 fine elevation point[...]

  • Page 72

    • Index 56 1035567-000 1 Revision A Signal strength, maximizing 46 Summary of installation steps 3 System components 1 T Tasks 3 related to antenna installation 4 Tool list 10 Transmit cable connecting 33 routing 32 Transmit polarization shim 21 Transmit signal, isolating 50 Transmitter, connecting 33 Trimast 8[...]