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Hughes AN6-098P manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    1037312-0001 Re vision A March 2, 2007 HN System Installation Manual f or .98 m K u-band Upgradeable Antenna Model AN6-098P[...]

  • Page 2

    Copy right © 2007 Hughes Netw ork Sys tems, LLC All rights reser ved. This pub lication and its conten ts are propr ietary 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 Explor ation Lane, Germantown, Mar yland 20876.[...]

  • Page 3

    • Important sa fety informat ion 1037312-0001 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 1037312-0001 Revision A Pr oduct warning labels The follo wing safety alert labe ls are af f ixe d to the satellite antenna feed support tube, tran smitter , and antenna reflector: These labels advise that the antenna emits radio frequency (RF) energ y . Because of this poten tial safety hazard, observe all caut[...]

  • Page 5

    • Important sa fety informat ion 1037312-0001 Revision A v Antenna installation safety Observe the follo wing precautions when installing the satellite antenna. This manual also includes additiona l safety alerts where appropriate concerning specific installation procedures. W ARNING Only Hu ghes-certified in staller s ma y install or service Hug[...]

  • Page 6

    • Important safety info rmation vi 1037312-0001 Revision A W ARNING • Do not w ork in high wind or rain or if a storm, lightning, or other adv erse weat her conditions are pres ent or approa ching. • Do not attempt to assemb le, mov e, or mount the antenna on a wind y day . Even a slight wind can unexpect edl y create str ong, unexpe cted f o[...]

  • Page 7

    • Important sa fety informat ion 1037312-0001 Revision A vii CA UTION Observe these precautions to av oid exposure to RF radiation, a potential saf ety hazar d: • The antenna m ust be installed in a location or ma nner not readil y accessib le to c hildren an d in a manner that prevent s human e xposure to potentiall y harmful le vels of radiat[...]

  • Page 8

    • Important safety info rmation viii 1037312-0001 Revision A Some installations ma y require additi onal precautions. See also the HN System Antenna Site Preparation and Mount Installation Guide (1035678-00 01). CA UTION • All install ations of an y type or si ze must carry an industry standar d and go vernment appr o ved Radiation Hazard Cauti[...]

  • Page 9

    • Contents 1037312-0001 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 1037312-0001 Revision A Small hardware parts lists. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Additional parts for J-type radio. . . . . . . . . . . . . . . . . . . . . . . 19 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Chapter 3 Assembling the antenna. . . .[...]

  • Page 11

    • Contents 1037312-0001 Revision A xi Chapter 7 Pointing the antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Antenna pointing overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Using the installation software . . . . . . . . . . . . . . . . . . . . . . . . 56 Peaking the signal (description) . . . . . . . . . .[...]

  • Page 12

    • Contents xii 1037312-0001 Revision A[...]

  • Page 13

    • Figures 1037312-0001 Revision A xiii Figures Chapter 1 1. Hughes mode l AN6-098P .98 m satellite antenna with radio . . . . . . . . . . . . . . . 2 Chapter 2 2. Shipping container contents—main components . . . . . . . . . . . . . . . . . . . . . . . . . 9 3. Az/El and reflector bracket assembly (pre -assembled as one unit) . . . . . . . . . [...]

  • Page 14

    • Figures xiv 1037312-0001 Revision A 31. Securing the feed horn clamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 32. Attaching the radio assembly to t he feed support tube . . . . . . . . . . . . . . . . . . . . 40 33. Attaching the radio assembly to t he feed support tube . . . . . . . . . . . . . . . . . .[...]

  • Page 15

    • Tables 1037312-0001 Revision A xv Tables Chapter 2 1. Two antenna kit configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2. Small hardware parts used in antenna kits for both radio types . . . . . . . . . . . . . 18 3. Additional small hardware parts included in the antenna kit for the J-type radio asse[...]

  • Page 16

    • Tables xvi 1037312-0001 Revision A[...]

  • Page 17

    • About this document 1037312-0001 Revision A xvii About this document Scope and audience This manual ex plains ho w to a ssemble, install, and point the Hughes model AN6-098P .98 m antenna. It is written for qualified installers who are familiar with satellite antenna installation practices and are capab le of properly applyin g the information [...]

  • Page 18

    • About this document xviii 1037312-0001 Revision A Related publications The HN System Antenna Site Preparation and Mount Installation Guide (1035678-0001) con tains detailed information about: • Safety considerations for mo unt and antenna installations • Site surve ys • T rimasts and other types of antenna mounts • Antenna installations[...]

  • Page 19

    Chapter 1 • Overview 1037312-0001 Revision A 1 Chapter 1 Overview This chapter presents an o ve rvie w of the Hughes model AN6-098P .98 m Ku-band antenna in the follo wing sections: • The model AN6- 098P antenna on page 2 • Antenna installation summary on page 3 • T asks r elated to an tenna installation on page 4[...]

  • Page 20

    Chapter 1 • Overview 2 1037312-0001 Revision A The model AN6-098P antenna Each remote terminal at a custom er site requires an antenna and radio assembly to communicate w ith the system satellite and the Network Operations Center (NOC). Th e antenna is connected to the remote terminal (also kno wn as the indoor unit , or IDU) b y a transmit cable[...]

  • Page 21

    Chapter 1 • Overview 1037312-0001 Revision A 3 Antenna installation summar y The antenna installatio n steps and related tasks are summarized below . The steps in bold type are documented in this man ual. 1. Choose an installation site. 2. Select a method for mounting t he antenna. 3. Install the antenna mount. 4. Install the IDU. 5. Determine th[...]

  • Page 22

    Chapter 1 • Overview 4 1037312-0001 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 HN System Antenna Site Preparation a nd Mount I[...]

  • Page 23

    Chapter 1 • Overview 1037312-0001 Revision A 5 Appr oved cab les For a list of appro v ed cables for the interfacil ity link (IFL) between the antenna and the re mote terminal, see the Hughes FSB, IFL Cable, Appro v ed List (with lengt hs) for D W7x00, D W60xx, and D W40xx Domestic Installations (FSB_060316_01A). The FSB lists the maximum cable l[...]

  • Page 24

    Chapter 1 • Overview 6 1037312-0001 Revision A[...]

  • Page 25

    Chapter 2 • Antenna parts and r equired tools 1037312-0001 Revision A 7 Chapter 2 Antenna par ts and required tools This chapter describes the parts pro vided in the model AN6-098P antenna kit. It includes the follo wing sections: • Antenna kit componen ts on page 8 • Radio assembly types on page 15 • Small har dwar e parts lists on page 18[...]

  • Page 26

    Chapter 2 • Antenna parts and required tool s 8 1037312-0001 Revision A Antenna kit components This section desc ribes the main components of the .98 m antenna kit: • Az/El and reflector bracket assembly • Antenna reflector • Feed support tube and feed rods • Feed horn • Mounting parts for radio assembly For details see Description of m[...]

  • Page 27

    Chapter 2 • Antenna parts and r equired tools 1037312-0001 Revision A 9 Inspecting the antenna par ts The antenna kit for each radio type is shipped in tw o boxe s, as sho wn in Figure 2 . The radio assembly is shipped separately . As soon as possible, unpa ck and inspect the antenna parts and hardware to mak e sure all parts ha v e been recei ve[...]

  • Page 28

    Chapter 2 • Antenna parts and required tool s 10 1037312-0001 Revision A Description of main components The following sections describe and illustrate the antenna assembly’ s main components. Az/El and reflector brac ket assembl y The Az/El mount assembly and re flector bracket assembly are pre-assembled for installation as a single unit, as sh[...]

  • Page 29

    Chapter 2 • Antenna parts and r equired tools 1037312-0001 Revision A 11 Antenna reflector The antenna reflector is sho w n in Figure 4. Figure 4: Antenna re flector[...]

  • Page 30

    Chapter 2 • Antenna parts and required tool s 12 1037312-0001 Revision A Feed support tube and feed r ods The radio assembly moun ts onto the feed support tube (Figure 5). The feed rods ( Figure 6 ) attach to the refl ector and support th e feed support tube. Each of the two antenna kits cont ains one feed support tube and two feed rods, for the [...]

  • Page 31

    Chapter 2 • Antenna parts and r equired tools 1037312-0001 Revision A 13 The feed support tube and the feed rods are the only main parts included in both antenna kits that are dif fer ent. Feed horn and wa veguide transition The feed horn (Figure 7) transmits and receiv es signals to and from the reflector . The J-type radio asse mbly requi res a[...]

  • Page 32

    Chapter 2 • Antenna parts and required tool s 14 1037312-0001 Revision A Radio mounting adapter The mounting adapter sho wn in Figure 8 is used for both radio types to mount the radio assemb ly on the feed support tube. Radio mounting brac kets (for J-type radi o only) The antenna kit for the J-type radio assembly (o nly) includes tw o mounting b[...]

  • Page 33

    Chapter 2 • Antenna parts and r equired tools 1037312-0001 Revision A 15 Radio assembl y types The radio assembly is not part of the antenna kit; ho wever , radio assembly installation is included in this manual because the antenna and radio assembly are usually installed at the same time. There are two possible radio assemblies a v ailable for t[...]

  • Page 34

    Chapter 2 • Antenna parts and required tool s 16 1037312-0001 Revision A see Installing a shim for verti cal transmit polarization on page 32 . Cradle-type radio assembl y Figure 12 illustrates the cradle-type radio assembly . The main parts of the radio assembly are mo unted on tw o circular brack ets so they can be rotated, simi lar to the move[...]

  • Page 35

    Chapter 2 • Antenna parts and r equired tools 1037312-0001 Revision A 17 Cradle-type refers to the o v erall design of the radio; therefore, two radios with dif ferent model numbers may both be crad le-type radios. Figure 13: Cra dle-like r otation of the cr adle-type r adio assemb ly[...]

  • Page 36

    Chapter 2 • Antenna parts and required tool s 18 1037312-0001 Revision A Small har dware parts lists T ables 2 and 3 list the small ha rdware parts included in the antenna kits for the two radio types (J-type and cradle-type). The parts listed in T able 2 are included in both kits , for both radio assembly types. T able 2: Small ha rdware pa r ts[...]

  • Page 37

    Chapter 2 • Antenna parts and r equired tools 1037312-0001 Revision A 19 Additional parts for J-type radio The parts listed in T able 3 are included only in the antenna kit for the J-type radio. The antenna kit for the J-type radio also includes the part listed in Ta b l e 2. Ta b l e 3 : Additional small hardware par ts included in the an tenna [...]

  • Page 38

    Chapter 2 • Antenna parts and required tool s 20 1037312-0001 Revision A To o l s Ta b l e 4 lists the tools required to install and poin t the antenna. See the HN System Antenna Site Preparation and Mount Installation Guide (1035678-0001) for a more complete list of tools and items that may be needed for installation. Ta b l e 5 specifies the co[...]

  • Page 39

    Chapter 3 • Assemblin g the antenn a 1037312-0001 Revision A 21 Chapter 3 Assemb ling the antenna This chapter explains ho w to install: • The Az/El and r eflector bracket assembly – The Az/El mount assembly and reflector bracket assembly are pre-assembled for installation as a single unit, as sho wn in Figure 3 on page 10 . • The antenna r[...]

  • Page 40

    Chapter 3 • Assembling the ante nna 22 1037312-0001 Revision A In this manual, installation softwar e refers to installation, pointing, and commissio ning software accessed through the IDU , which works in conjunction wi th SBC. Before proceeding, use the insta llation software to determine the initial v alues to use for setting azimuth, ele v at[...]

  • Page 41

    Chapter 3 • Assemblin g the antenn a 1037312-0001 Revision A 23 Installing the Az/El and reflector brac ket assembl y Follo w these steps to install the Az/El and reflector bracket assembly onto the mast: 1. Before you install the Az/El and reflector brack et assembly onto the mast pipe, use a bubble lev el to mak e sure the mast is plumb . Check[...]

  • Page 42

    Chapter 3 • Assembling the ante nna 24 1037312-0001 Revision A 3. Optional: If you adjust the antenna ele v ation no w to the coarse ele v ation v alue, before installing the reflector , it’ s easier than making this adju stment after the reflector is attached. Y ou can make this adjustment no w or do it as part of the antenna pointing procedur[...]

  • Page 43

    Chapter 3 • Assemblin g the antenn a 1037312-0001 Revision A 25 Attaching the reflector Follo w these instructions to atta ch the antenna reflector to the reflector bracket. 1. Orient the reflector so the H ughesNet logo on th e front is near the top, as sho wn in Figure 16 . 2. Lift the reflector and align the four mounting ho les on the back of[...]

  • Page 44

    Chapter 3 • Assembling the ante nna 26 1037312-0001 Revision A 3. Insert two ¼-20 × 1- 3 ⁄ 8 -inch hex thread-cutting scre ws (without washers) th rough the upper holes on th e reflector bracket and into the refl ector holes indi cated in Figure 17 (upper arro ws on the right photo). 4. Partially t ighten the scre ws. 5. Insert two ¼-20 × 1[...]

  • Page 45

    Chapter 3 • Assemblin g the antenn a 1037312-0001 Revision A 27 Installing the feed suppor t tube Install the feed rods and feed su pport tube as exp lained in the follo wing two sections. Thes e instructions apply to both types of feed support tubes and feed rods, that is, the tube and feed rods for the J-type radio or cradle-type radio. Attachi[...]

  • Page 46

    Chapter 3 • Assembling the ante nna 28 1037312-0001 Revision A Securing the feed support tube Secure the feed support tube: 1. Attach the lo wer ends of the feed rods to the feed support tube as follo ws: Insert the ¼-20 × 2-i nch hex bolt through the tube, and use the hardw are sho wn in Figure 19 . Make sure the flat end of the feed support t[...]

  • Page 47

    Chapter 3 • Assemblin g the antenn a 1037312-0001 Revision A 29 Tightening the hard ware T ighten the hardware as follo ws: 1. T ighten the three nuts on the reflector rim (indicated b y the black arro ws in Figure 21 ). 2. T ighten the nut where the feed ro ds attach to the feed support tube (indicated by the white arro w in Figure 21 ). The ant[...]

  • Page 48

    Chapter 3 • Assembling the ante nna 30 1037312-0001 Revision A[...]

  • Page 49

    Chapter 4 • Installing a J-type radio assembly 1037312-0001 Revision A 31 Chapter 4 Installing a J-type radio assembl y This chapter applies to the J-type r adio assembly only . If you are installing a cradle-type radio assembly , go to Chapter 5 – Installing a cradle-type r adio assembly , on page 43 . This chapter includes: • Installing a s[...]

  • Page 50

    Chapter 4 • Installing a J-type radio assembly 32 1037312-0001 Revision A Installing a shim f or ver tical transmit polarization F ollow the instructions in this section only if the installation specification or service order states that vertical transmit polarization is r equir ed. (The vertical shim kit is not used with the cradle-type radio.) [...]

  • Page 51

    Chapter 4 • Installing a J-type radio assembly 1037312-0001 Revision A 33 Figure 24 illustrates the dif ference between the horizontal shim and vertical shim. Note the positions of the al ignment pins. 4. Remov e the horizontal sh im and O-ring. Figure 24: Horiz ontal shim and v ertical shim f or tran smit polarization TRIA Horizontal shim in pla[...]

  • Page 52

    Chapter 4 • Installing a J-type radio assembly 34 1037312-0001 Revision A 5. Install the ve rtical shim and O-ring in the same location. Because of its shape and alignment pins on the transmit/recei ve isolation assemb ly (TRIA), the v ertical shim can only be installed in the position sho wn in Figure 24 (upper right photo). Note th e position o[...]

  • Page 53

    Chapter 4 • Installing a J-type radio assembly 1037312-0001 Revision A 35 Figure 26 sho ws 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 25 on page 34 is in place in the shim. 7. W ith the TRIA correct ly positioned (r[...]

  • Page 54

    Chapter 4 • Installing a J-type radio assembly 36 1037312-0001 Revision A Installing the radio assembl y This section explains ho w to in stall the J-type radio assembly . Y ou must use the antenna kit indicated in Ta b l e 1 on page 8 for the J-type radio assembly . Attaching the upper mounting bracket Attach the upper mounting bracket to the tr[...]

  • Page 55

    Chapter 4 • Installing a J-type radio assembly 1037312-0001 Revision A 37 Attaching the feed horn and transition to the radio assembl y The feed horn and wav e guide transition are shipped from the factory pre-attached, as sho wn in Figure 28 . Attach the square end of the w av e guide transition (with the feed horn attached) to the radio assembl[...]

  • Page 56

    Chapter 4 • Installing a J-type radio assembly 38 1037312-0001 Revision A 3. Place the neck of the feed horn into the up per mounting bracket, and position the square end of the w av e guide transition close to the TRIA. See Figure 30 . Make sure the feed horn packing material is out of the way so it will not get stuck between the feed horn neck [...]

  • Page 57

    Chapter 4 • Installing a J-type radio assembly 1037312-0001 Revision A 39 8. T ighten the bolts alternately , a little at a time. Mounting the radio assembl y on the feed suppor t tube T o mount the radio assembly on th e feed support tube, first mount the lo wer mounting bracket on the feed support tube: 1. Position the lo wer mounting br ack et[...]

  • Page 58

    Chapter 4 • Installing a J-type radio assembly 40 1037312-0001 Revision A 4. T ighten the nuts. Attach the upper and lo wer mounting brack ets to each other , as sho wn in Figure 33 : 1. Place the radio assembly (attached to the upper brack et in pre vious steps) onto the lower brack et. 2. Align the four mounting ho les on the upper and lo wer m[...]

  • Page 59

    Chapter 4 • Installing a J-type radio assembly 1037312-0001 Revision A 41 5. T igh ten the four bolts. 6. Remov e the protecti ve packing material from the feed horn windo w . This completes installati on of the radio assembly . Figure 33: Attaching the radio assembly to the f eed suppor t tub e 1/4-20 x 0.75-inch carriage bolts T0172018 Upper mo[...]

  • Page 60

    Chapter 4 • Installing a J-type radio assembly 42 1037312-0001 Revision A[...]

  • Page 61

    Chapter 5 • Installing a cradle-type radio as sembly 1037312-0001 Revision A 43 Chapter 5 Installing a cradle-type radio assembl y This chapter applies to the cr adle-type radio assembly only . If you are installing a J-type radio assembly , go to Chapter 4 – Installing a J-type radio assembly , on page 31 . This chapter includes: • Installin[...]

  • Page 62

    Chapter 5 • Installing a cradle-type radio as sembly 44 1037312-0001 Revision A Installing the radio assembl y This section explains ho w to install the cradle-type radio assembly . Y ou must use the antenna kit indicated in Ta b l e 1 on page 8 for the cradle-type radio assembly . Attaching the feed horn 7. T o attach the feed horn to th e radio[...]

  • Page 63

    Chapter 5 • Installing a cradle-type radio as sembly 1037312-0001 Revision A 45 2. Apply silicone grease to the O -ring groo ve in the feed horn. 3. Place the O-ring (0.9-inch in side diameter) in the groo ve. Make sur e the O-ring r emains in the O-ring gr oove . Mounting the radio assembl y on the feed suppor t tube Use the mounting adapter to [...]

  • Page 64

    Chapter 5 • Installing a cradle-type radio as sembly 46 1037312-0001 Revision A 4. T ighten the bolts securely . 5. Remov e the protecti ve packing material from the feed horn windo w . This completes installati on of the radio assembly . Figure 36: Mountin g the radio on the f eed support tube 5/16-18 2.5-inch he x bolts × F eed suppor t tube T[...]

  • Page 65

    Chapter 5 • Installing a cradle-type radio as sembly 1037312-0001 Revision A 47 Setting polarization f or the cradle-type radio T o set polarization for the cradle-t ype radio, you adjust th e radio, not the antenna. This section expl ains ho w to calculate and set the polarization v alue for the cradle-type radio assembly . Calculating the radio[...]

  • Page 66

    Chapter 5 • Installing a cradle-type radio as sembly 48 1037312-0001 Revision A Setting the radio polarization Set polarization on the cradle-type radio as follows: 1. Before proceeding, mak e sure the antenn a polarization is set to 0°. See Setting polarization on page 63 . 2. On the radio assembly , loosen the two scre ws at the top of the two[...]

  • Page 67

    Chapter 6 • Cabling and co nnections 1037312-0001 Revision A 49 Chapter 6 Cab ling and connections This chapter illustrates where the ODU ground, transmit, and receiv e connectors are located; sho ws ho w to route the transmit and recei ve cables at the ODU; and e xplains ho w to connect the transmit and recei ve cables to the radio assembly . Y [...]

  • Page 68

    Chapter 6 • Cabling and connectio ns 50 1037312-0001 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 (marke d with blue electrical tape) ov er the Az/El and reflector bracket assembly and behind the reflector to the back of the transmitter , in a conf igur[...]

  • Page 69

    Chapter 6 • Cabling and co nnections 1037312-0001 Revision A 51 3. Coil the extra cable, leav e a dr ip loop, and secu re the transmit cable with ca ble ties . 4. Route the receiv e cable (marked with red electrical tape) ov er the Az/El mount assembly , behind the reflector , and along the feed support tube to the TRIA, in a configuration simila[...]

  • Page 70

    Chapter 6 • Cabling and connectio ns 52 1037312-0001 Revision A 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 power supply . 2. Go ou[...]

  • Page 71

    Chapter 6 • Cabling and co nnections 1037312-0001 Revision A 53 4. If necessary , secure the cable with cable ties. Figure 41: T ransmit connector – J-t ype radio Figure 42: T ransmit connector – cradle-t ype rad io[...]

  • Page 72

    Chapter 6 • Cabling and connectio ns 54 1037312-0001 Revision A Receive cable Connect the recei v e cable to the lo w noise block con v erter (LNB) as follo ws: 1. Connect the receiv e cable (marked with red tape) to the recei ve connector on the LNB. Figure 43 sho ws the receiv e connec tor location on the J-type radio assembly , and Figure 44 s[...]

  • Page 73

    Chapter 7 • Pointing the ant enna 1037312-0001 Revision A 55 Chapter 7 P ointing the antenna This chapter explains ho w to po int the antenna. T opics include: • Antenna pointing overvie w on page 56 • Pr er equisites for antenna pointing on page 57 • Outdoor pointing interface on page 57 • Adjusting the antenna on pag e 59 • Setting co[...]

  • Page 74

    Chapter 7 • Pointing the an tenna 56 1037312-0001 Revision A Antenna pointing o verview This chapter describes a general procedure for point ing the antenna. The objecti ves of 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 software [...]

  • Page 75

    Chapter 7 • Pointing the ant enna 1037312-0001 Revision A 57 P er sonnel requirements One person can point the antenna if an outdoor pointing interface (OPI) is used. Otherwise, pointing is usually a two-perso n task. If an OPI is not used, one person ai ms and adjusts the antenna while the other w atches the signal strength d isplay on a compute[...]

  • Page 76

    Chapter 7 • Pointing the an tenna 58 1037312-0001 Revision A Installing the OPI T o prepare for antenna pointing, attach the OPI to the recei ve cable from the LNB, as shown in Figure 46 . Note that the OPI will not w ork unless it is enabled on the approp riate screen on the installation software. (Check the box labeled Enab le OP I Displa y .) [...]

  • Page 77

    Chapter 7 • Pointing the ant enna 1037312-0001 Revision A 59 Adjusting the antenna T o point the antenna you make th ree adjustments to the position of the antenna reflector: • Ele v ation – Adj ustment up and do wn • Polarization – Rotational adjustment • Azimuth – Side-to-sid e adjustment These adjustments are illustrated in Figure [...]

  • Page 78

    Chapter 7 • Pointing the an tenna 60 1037312-0001 Revision A Adjustment l ocations on the antenna Figure 48 sho ws the mechanical adjustments for azimuth, ele v ation, and polarization. A ll pointing adjustments require a ½-inch wrench. Detailed procedures fo r adjusting the antenna are included in the sections that follo w . As you ma ke pointi[...]

  • Page 79

    Chapter 7 • Pointing the ant enna 1037312-0001 Revision A 61 Setting coarse ele v ation The antenna pointing pr ocedur e be gins with the steps described in this section and continues th r ough the end of this chap ter . F ollow the instructions in th e or der they a r e pr esented. Set the initial (coarse) antenna ele v ation to the initial ele [...]

  • Page 80

    Chapter 7 • Pointing the an tenna 62 1037312-0001 Revision A Fine ele v ation adjustment The f ine ele vation ad justment rod (sh o wn in Figure 50) allo ws you to make f ine adjustments of the antenna elev ation. Where subsequent instructions call for f ine adjustment of the antenna ele v ation, f ine-tune the ele v ation setti ng as follo ws: 1[...]

  • Page 81

    Chapter 7 • Pointing the ant enna 1037312-0001 Revision A 63 Initial elev ation setting Make sure the antenna reflect or is set to the initial ele v ation v alue giv en b y the installation software. Setting polarization P olarization refers to rotation of the antenna (as sho wn in Figure 47 on page 59 ) and is measured in degrees from zero (no r[...]

  • Page 82

    Chapter 7 • Pointing the an tenna 64 1037312-0001 Revision A Setting azimuth W ith the elev ation and polarizatio n set to the initial values gi v en by the instal lation softw are, follo w these steps to set the antenna azimuth to the initial v alue specif ied by the installation software and then adjust it as necessary: 1. Use a compass to dete[...]

  • Page 83

    Chapter 7 • Pointing the ant enna 1037312-0001 Revision A 65 6. After acquiring a signal, adjust the azimuth to obtain the highest signal quality . 7. Go to P ea king the signal (pr ocedur e) on page 66 and follo w the instructions there. If y ou cannot detect a signal Follo w the steps in this section (steps 1 through 3 and/or steps 1 through 6 [...]

  • Page 84

    Chapter 7 • Pointing the an tenna 66 1037312-0001 Revision A P eaking the signal (procedure) After the satellite signal is detect ed, peak the signal as follo ws: 1. Mark the mast with a pencil so you can f ind the azimuth bearing again. 2. After detecting the satellite, continue turnin g the antenna reflector a small amount in the same d irectio[...]

  • Page 85

    Chapter 7 • Pointing the ant enna 1037312-0001 Revision A 67 Isolating the tran smit signal T o prev ent signal cros s talk, you use a proc edure kno wn as Automated Cross Polarization (A CP ) to isolate the transmit signal from the recei ve signal. A CP test functions are included in the installation software. The A CP software operates in two d[...]

  • Page 86

    Chapter 7 • Pointing the an tenna 68 1037312-0001 Revision A A utomatic A CP test V erify that the signal is sti ll peaked b y initiating an automatic A CP test. T o initiate this test, select the automatic cross polarization test type. If the an tenna passes the automatic A CP test and maintains signal strength within 3 points on the signal stre[...]

  • Page 87

    Chapter 7 • Pointing the ant enna 1037312-0001 Revision A 69 Final steps Complete the follo wing steps befo re lea ving the inst allation site. Remo ve the OPI Remov e the OPI so you can re-use it for subsequent installations: 1. Disconnect th e OPI and block, if used. 2. Reconnect th e recei v e cab le to the radio . Chec k f or safety labels an[...]

  • Page 88

    Chapter 7 • Pointing the an tenna 70 1037312-0001 Revision A[...]

  • Page 89

    • Acronyms and abbreviations 1037312-0001 Revision A 71 Acr on yms and abbre viations A ACP – Automated Cross Polarization Az/El – Azimuth and elevation F FSB – Field service bulletin ft – Foot ft-lb – Foot-pound H hr – Hour I IDU – Indoor unit IFL – Interfacility link inch-lb – Inch-pound L LNB – Low noise block converter M m[...]

  • Page 90

    • Acronyms and abbreviations 72 1037312-0001 Revision A[...]

  • Page 91

    • Index 1037312-0001 Revision A 73 Inde x A Antenna assembling, general instructions 22 illustrated 2 kits 8 main components 8 small hardware parts 18 mount 4 pointing 56 isolating the transmit signal 67 mechanical adjustments 60 peaking the signal 56, 66 prerequisites 57 receive pointing 62 reflector 11 related components 8 unpacking 9 Az/El and[...]

  • Page 92

    • Index 74 1037312-0001 Revision A feed horn cradle-type radio 44 J-type radio 37 feed support tube 28 final steps 69 IDU 4 J-type radio assembly 31 OPI 58 O-ring 37, 45 radio assembly 39 reflector 25 Isolating the transmit signal 67 J J-type radio assembly described 15 installing 31 mounting brackets 14 mounting on feed supp ort tube 39 shim kit[...]

  • Page 93

    • Index 1037312-0001 Revision A 75 S Safety labels and/or signs 69 Shim for transmit polarization 32 Signal strength 62 maximizing 66 Site, installation 4 Summary of installation steps 3 T Tasks, antenna installation 3 related tasks 4 Tool sizes matched to hardware sizes 20 Tools needed 20 Torque 22 maximum values 22 Transmit cable connecting 52 [...]

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    • Index 76 1037312-0001 Revision A[...]