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Summary of Contents for Hughes AN8-074P
- Page 1 0.74 m Ka-Band Antenna Installation Guide – Model AN8-074P 1037749-0001 Revision F 3/26/2013 11717 Exploration Lane, Germantown, MD 20876 Phone (301) 428-5500 Fax (301) 428-1868/2830...
- Page 2 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.
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Page 3: Table Of Contents
Additional symbols ................... 6 Antenna installation safety ..................7 Chapter 1 Overview ....................11 Model AN8-074P antenna description ..............12 Antenna installation summary ................13 Tasks related to antenna installation ..............14 Selecting the installation site ................14 Installing the antenna mount ................. 14 Installing the IDU .................... - Page 4 Installing the antenna assembly onto the mast ..........39 Chapter 4 Cabling and connections............... 41 Cabling requirements ..................41 Routing the cables at the antenna ............... 42 Routing the transmit cable ................43 Routing the receive cable ................43 Connecting the transmit and receive cables ............44 Connecting the transmit cable ...............
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Page 5: Understanding Safety Alert Messages
Understanding safety alert messages Safety alert messages call attention to potential safety hazards and tell you how to avoid them. These messages are identified by the signal words DANGER, WARNING, CAUTION, or NOTICE, as illustrated below. To avoid possible property damage, personal injury, or in some cases possible death, read and comply with all safety alert messages. -
Page 6: Safety Symbols
Safety symbols The generic safety alert symbol calls attention to a potential personal injury hazard. It appears next to the DANGER, WARNING, and CAUTION signal words as part of the signal word label. Other symbols may appear next to DANGER, WARNING, or CAUTION to indicate a specific type of hazard (for example, fire or electric shock). -
Page 7: Antenna Installation Safety
Observe the following precautions when installing the satellite antenna. This manual also includes other safety alerts where appropriate concerning specific installation procedures. Only Hughes‐certified installers may install or service Hughes antennas and their components. Installers must expressly acknowledge the Hughes requirements for Hughes installations. - Page 8 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.
- Page 9 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.
- Page 10 Observe these precautions to avoid exposure to RF radiation, a potential safety hazard: 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.
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Page 11: Chapter 1 Overview
Chapter 1 Overview This installation guide explains how to assemble and install the Hughes AN8-074P 0.74 m Ka-band antenna. It is written for qualified installers who are familiar with satellite antenna installation practices, and are capable of properly applying the information presented. -
Page 12: Model An8-074P Antenna Description
Model AN8-074P antenna description The Hughes model AN8-074P antenna is designed for Ka-band applications. Each HughesNet antenna station consists of an antenna assembly and an indoor unit (IDU), which can be either a satellite modem or a satellite router. The IDU communicates with both the HughesNet satellite and the Network Operations Control Center (NOCC) via the antenna and radio assembly. -
Page 13: Antenna Installation Summary
Antenna installation summary This section lists the basic steps and related tasks for installing the satellite antenna. Follow all steps in the order in which they are presented here and elsewhere in this guide. For detailed information on each task, refer to the listed section or chapter in this guide or other listed documents. -
Page 14: Tasks Related To Antenna Installation
Tasks related to antenna installation This section discusses tasks related to antenna installation and explains where to find additional information. Selecting the installation site Before selecting an installation site, check the installation reference sheet to see if a customer-specific installation site has been pre-determined and specified. Also, refer to the HughesNet Antenna Site Preparation and Mount Installation Guide (1035678-0001), which discusses the factors that you should consider when selecting an antenna installation site. -
Page 15: Installing The Idu
For a list of approved coaxial cable types for the IFL between the antenna and the IDU, see the Hughes FSB, IFL Cable, Approved List (with lengths) for SPACEWAY Domestic Installations (FSB 080202_01). The FSB lists the maximum cable length for each approved cable type for all relevant radio types. -
Page 17: Antenna Parts And Recommended Tools
Chapter 2 Antenna parts and recommended tools This chapter identifies the main components and parts provided with the AN8-074P Ka-band antenna kit. It includes the following sections: Antenna kit components Small hardware parts list on page 22 Tools on page 23... -
Page 18: Az/El Mount Assembly
The main components of the antenna kit are: Az/El mount assembly Reflector bracket and tilt plate Antenna reflector Feed support arm Radio assembly (shipped separately) Feed horn The following sections describe and illustrate each component of the antenna kit. Az/El mount assembly The Az/El mount assembly, shown in Figure 2, includes components that allow you to adjust the antenna elevation and azimuth—the Az/El canister, the elevation... -
Page 19: Reflector Bracket And Tilt Plate
Reflector bracket and tilt plate The reflector bracket shown in Figure 3 attaches to the Az/El mount and supports the antenna reflector. The reflector bracket and tilt plate allow the reflector to rotate so it can be adjusted for proper tilt. (See also Figure 9 on page 27.) Figure 3: Reflector bracket and tilt plate Antenna reflector The antenna reflector shown in Figure 4 focuses the transmitted and received RF... -
Page 20: Feed Support Arm
Handle the antenna reflector with care to avoid bending it or other damage. Feed support arm Figure 5 shows the feed support arm, which supports the radio assembly and feed horn. Figure 5: Feed support arm Radio assembly The radio assembly shown in Figure 6 consists of the radio transmitter, low noise block converter (LNB), transmit/receive isolation assembly (TRIA), and polarizer (waveguide). -
Page 21: Feed Horn
Feed horn The elliptical feed horn, shown in Figure 7, attaches to the polarizer on the radio assembly. Figure 7: Feed horn Polarizer clamps Two identical clamps with spring-loaded screws attach to each end of the radio polarizer. One clamp (pre-installed) secures the polarizer to the TRIA; the other (shipped in the radio assembly box) secures the feed horn stem to the polarizer Figure 8: Polarizer clamps Antenna parts and recommended tools... -
Page 22: Small Hardware Parts List
Small hardware parts list Table 2 lists the small hardware parts included with the antenna kit and radio assembly. Table 2: Small hardware parts Hardware in second Illustration showing Hardware parts Quantity column is used to attach… where parts are used Reflector bracket and tilt plate 5/16 inch ×... -
Page 23: Tools
Tools Table 3 lists the tools recommended for assembling and installing the antenna. Table 3: Recommended tools Tool Details Socket wrench, ½ inch For 5/16 inch bolts. (with 3 inch extension) Open-end wrench, ½ inch For 5/16 inch bolts. Two of the Az/El canister nuts are not accessible by socket wrench. -
Page 25: Installing The Antenna And Radio Assembly
Chapter 3 Installing the antenna and radio assembly This chapter explains how to assemble and install the antenna, radio assembly, and associated hardware. It includes these topics: Determining the pointing values General instructions for assembling the antenna on page 26 ... -
Page 26: General Instructions For Assembling The Antenna
General instructions for assembling the antenna Before you assemble the antenna, read these important instructions: Mast – The antenna mast must be installed before you can install the antenna. For information on installing the mast, see the HughesNet System Antenna Site Preparation and Mount Installation Guide (1035678-0001). -
Page 27: Installing The Reflector Bracket And Tilt Plate
Installing the reflector bracket and tilt plate Attach the tilt plate and reflector bracket to the Az/El mount as shown in Figure 9. 1. Position the Az/El mount so the flat part with five holes faces upward. 2. Place the reflector bracket against the Az/El mount. See Figure 9 and Figure 10. -
Page 28: Installing The Antenna Reflector
When the reflector bracket is correctly attached to the Az/El mount, you can see the tilt scale numbers above the tilt pointer, as shown in Figure 10. Figure 10: Tilt pointer aligned with zero on tilt scale 7. Using the tilt value you obtained from the IDU as described in Determining the pointing values on page 25, set the scale to the proper reading, and lock down the five bolts. - Page 29 2. Insert four carriage bolts (5/16 inch × ¾ inch) into the holes in the reflector and through the corresponding holes in the reflector bracket, as shown in the illustration. Figure 11: Attaching the antenna reflector 3. Insert the Phillips head screw through the hole near the bottom of the reflector and into the corresponding hole in the reflector bracket—but do not tighten this screw yet.
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Page 30: Installing The Feed Support Arm
Installing the feed support arm To install the feed support arm: 1. Insert the feed support arm into the housing at the bottom of the reflector bracket, as shown in Figure 12. Figure 12: Attaching the feed support arm to the tailpiece 2. -
Page 31: Installing The Radio Assembly
Installing the radio assembly To mount the radio assembly to the feed support arm: 1. Insert a single 5/16 inch × 1¾ inch bolt, with flat washer and lock washer up through the feed support arm from underneath. 2. Position the long adapter bracket and feed horn support bracket on the feed support arm (as shown in Figure 13) so the bolt passes through the long bracket and into the feed horn bracket. - Page 32 5. Insert one 5/16 inch × 1¾ inch bolt, with flat washer and lock washer up through the feed support arm and long adapter bracket, and into the threaded socket on the front of the transmitter. 6. Tighten only enough to hold the radio in place. Tighten the nut only enough to secure the radio and adapter bracket to the feed support arm.
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Page 33: Changing Transmit Circular Polarization (If Needed)
Changing transmit circular polarization (if needed) The radio may be shipped with the polarizer set for left-hand circular polarization (LHCP) or right-hand circular polarization (RHCP). There is no default setting. If the radio polarization setting does not match the polarization specified on the installation reference sheet, you will have to change the setting. - Page 34 Changing polarization Follow the instructions in this section only if you need to change transmit circular polarization from LHCP to RHCP or from RHCP to LHCP. To change the polarization reposition the polarizer as follows: 1. Remove the two-piece round clamp that secures the polarizer to the TRIA by loosening the two Allen screws (with springs) that hold it together.
- Page 35 2. Position the clamp half that has two threaded holes against the polarizer-TRIA interface, as shown in Figure 18 (left photo). Figure 18: Attaching the clamp that holds the polarizer in place 3. Position the other clamp half (with holes that are not threaded) against the clamp half that is already in place.
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Page 36: Installing The Feed Horn
Installing the feed horn To attach the feed horn to the radio assembly: 1. Remove and discard the protective seal from the polarizer on the radio assembly. See Figure 19. Figure 19: Polarizer protective seal 2. Insert the O-ring into the circular groove at the small end of the feed horn, as shown in Figure 20. -
Page 37: Attaching The Clamp
3. If you previously changed the radio polarization setting, the polarizer clamp next to the TRIA (shown in Figure 21, upper left) should be loose. If the clamp is not loose, loosen it now by loosening the two Allen screws. 4. - Page 38 1. Position the clamp half that has two threaded holes against the interface where the feed horn stem mates to the polarizer, as shown in Figure 22 (left photo). Figure 22: Attaching the clamp over the end of the feed horn 2.
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Page 39: Securing The Feed Horn
Securing the feed horn Secure the feed horn to the feed horn support bracket: 1. Insert the two mounting screws through the remaining two holes on each side of the feed horn stem. 2. Tighten the screws with a ¼ inch Phillips head screwdriver. 3. - Page 40 2. Slide the Az/El mount assembly canister downward onto the mast as shown in Figure 24. Note: The mast must have an outside diameter of 2.88 inches. Figure 24: Installing the Az/El mount assembly This completes assembly of the antenna. Depending on the antenna orientation and mount, the antenna should look similar to the one shown in Figure 1 on page 12.
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Page 41: Cabling And Connections
For a list of approved coaxial cable types for the IFL between the antenna and the IDU, see the Hughes FSB, IFL Cable, Approved List (with lengths) for SPACEWAY Domestic Installations (FSB 080202_01). The FSB lists the maximum cable length for each approved cable type for all relevant radio types. -
Page 42: Routing The Cables At The Antenna
Routing the cables at the antenna Route the coaxial transmit and receive cables at the antenna as illustrated in Figure Figure 25: Transmit and receive cable configurations Cabling and connections 1037749-0001 Revision F... -
Page 43: Routing The Transmit Cable
Routing the transmit cable 1. Route the transmit cable (marked with blue electrical tape) over the Az/El mount assembly, down behind the reflector, and along the feed support arm to the rear of the transmitter, in a configuration similar to that shown in Figure 25 on page 42. -
Page 44: Connecting The Transmit And Receive Cables
Connecting the transmit and receive cables This section explains how to connect the transmit and receive cables to the radio assembly at the antenna. Because the antenna pointing procedure requires that you disconnect the receive cable, wait until pointing is complete before taping the outdoor connections. Connecting the transmit cable Connect the transmit cable to the radio transmitter as follows: 1. -
Page 45: Connecting The Receive Cable
Connecting the receive cable Connect the receive cable to the LNB as follows: 1. Make sure the IDU is powered off. 2. Apply a small amount of dielectric grease to the inside of the receive cable connector (marked with red electrical tape). 3. -
Page 47: Adjusting Antenna Azimuth And Elevation
Chapter 5 Adjusting antenna azimuth and elevation This chapter explains how to adjust the antenna azimuth and elevation for optimum transmission and reception. It explains the mechanical adjustments only. For explanation of the pointing process for this antenna, see the HughesNet Ka- Band Antenna Pointing Guide (1037663-0001). -
Page 48: Adjusting Elevation
Adjusting elevation Figure 28 illustrates how to adjust the antenna elevation by moving the antenna up and down relative to the horizon. Figure 28: Adjusting antenna elevation To adjust the antenna elevation: 1. Loosen the elevation lockdown nuts on each side of the Az/El mount. (See Figure 29.) Figure 29: Elevation adjustment components Adjusting antenna azimuth and elevation... - Page 49 2. Loosen the top elevation adjustment nut and spin it counter-clockwise until it is an inch or two up the elevation adjustment rod. 3. Use the lower nut to adjust the elevation. The black line shown in Figure 30 points to the elevation value on the elevation scale.
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Page 50: Adjusting Azimuth
Adjusting azimuth Figure 31 illustrates how you adjust antenna azimuth by moving the antenna horizontally, from side to side. Figure 31: Adjusting antenna azimuth Adjusting antenna azimuth and elevation 1037749-0001 Revision F... -
Page 51: Checking The Azimuth Base Starting Position
Checking the azimuth base starting position Before making any azimuth adjustments, make sure the azimuth lockdown bolts are centered in the curved slots in the azimuth base. See Figure 32. If the bolts are not centered in the slots: 1. From underneath the azimuth base, make sure the four 5/16-inch azimuth lockdown nuts are loose. -
Page 52: Coarse Azimuth Adjustment
Coarse azimuth adjustment Make coarse azimuth adjustment as follows: 1. Loosen the three Az/El canister nuts shown in Figure 33 enough to allow the antenna assembly to rotate freely on the mast. Figure 33: Az/El canister nuts 2. Holding the reflector bracket, point the antenna reflector as accurately as possible in the direction indicated on the installation reference sheet. -
Page 53: Final Steps
Final steps After the antenna is pointed, complete the following steps before leaving the installation site. Remove the pointing tool Remove the DiSEqC antenna pointing tool (DAPT) (if used): 1. Disconnect the DAPT. 2. Reconnect the receive cable to the radio. Weatherproof the cable connections Weatherproof and secure all cable connections as shown in Figure 34. -
Page 54: Check For Safety Labels And Signs
Check for safety labels and signs Make sure the required safety labels and/or signs are present: Make sure a Radiation Hazard Caution label is present, legible, and visible on the feed support arm and on the rear of the antenna reflector. ... -
Page 55: Acronyms And Abbreviations
Acronyms and abbreviations inch-lb – Inch-pound Az/El – Azimuth/elevation LHCP – Left-hand circular polarization LNB – Low noise block converter DAPT – DiSEqC antenna pointing tool LOS – Line of sight FSB – Field service bulletin m – Meter ft – Foot ft-lb –... -
Page 57: Index
Index Adjusting Feed horn azimuth 50 description 21 elevation 48 installing 36 polarization 33 Feed support arm tilt 27 description 20 Antenna installing 30 kit components 17 Final steps 53 mount installation 14 Az/El mount assembly description 18 mounting to mast 39 Grounding 45 Azimuth adjusting 50... - Page 58 tilt plate 27 description 19 installing 28 Reflector bracket description 19 Leveling the mast 39 installing 27 Parts list 22 Safety labels and/or signs 54 Pointing values 25 Setting tilt 28 Polarization setting 33 Site survey, conducting 13 Polarizer 33 Summary of installation steps 13 Polarizer clamps 34, 37 description 21...
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