Related Manuals for Hughes Network AN8-074P
Summary of Contents for Hughes Network AN8-074P
- Page 1 .74m Ka-Band Antenna Installation Guide Model: AN8-074P 1037749-0001 Revision B September 12, 2008...
- 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. 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.
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Page 3: Important Safety Information
Important safety information For your safety and protection, read this entire installation guide before attempting to install the AN8-074P Ka-band antenna. In particular, read this safety section carefully. Keep this safety information where you can refer to it if necessary. -
Page 4: Product Warning Labels
Product warning labels The following safety alert labels are affixed to the antenna feed support arm, radio transmitter, and antenna reflector, respectively. Feed support arm Transmitter Reflector (back side) Safety alert labels on the antenna assembly These labels advise that the antenna emits radio frequency (RF) energy. -
Page 5: Antenna Installation Safety
Antenna installation Observe the following precautions when installing the satellite antenna. This manual also includes other safety alerts where safety 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. - Page 6 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.
- Page 7 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.
- Page 8 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...
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Page 9: Table Of Contents
Overview ........1 The model AN8-074P antenna ......1 Antenna installation summary . - Page 10 Adjusting transmit circular polarization....24 Installing the feed horn....... .27 Installing the antenna assembly onto the mast pipe .
- Page 11 Figures Chapter 1 1. The Hughes model AN8-074P .74m satellite antenna .....2 Chapter 2 2. Antenna kit components ..........8 3.
- Page 12 Chapter 4 27. Transmit and receive cable configurations ......34 28. Weatherproofing the cable connectors ....... .35 29.
- Page 13 Tables Chapter 2 1. Small hardware parts ..........13 2.
- Page 14 • Tables 1037749-0001 Revision B...
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Page 15: Overview
This chapter presents an overview of the AN8-074P antenna, a summary of the steps used to assemble and install the antenna, and supplemental information on tasks related to antenna installation. -
Page 16: Antenna Installation Summary
Figure 1: The Hughes model AN8-074P .74m satellite antenna Antenna installation This section lists the basic steps and related tasks used to assemble and install the antenna. These procedures are listed in summary the order in which they are to be performed. For more detailed information on each task, refer to the chapters and documents listed. - Page 17 4. Connect your laptop computer to the IDU and enter the installation parameters from the installation reference sheet. See the HughesNet Ka-Band Antenna Pointing Guide (1037663-0001) for detailed instructions. 5. Determine the most suitable method for mounting the antenna and install the antenna mast. See the Antenna Site Preparation and Mount Installation Guide (1035678-0001) for details.
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Page 18: Tasks Related To Antenna Installation
Tasks related to antenna This section discusses tasks related to antenna installation and explains where to find additional information. installation Selecting the Before selecting an installation site, check the installation reference sheet to see if a customer-specific installation site has installation site been pre-determined and specified. -
Page 19: Installing The Idu
Refer to the installation reference sheet for any customer-specific guidelines concerning the mount installation. Use only the installation method described in the reference sheet. If the installation reference sheet does not specify a method, use only the mount installation methods documented in the HughesNet Antenna Site Preparation and Mount Installation Guide (1035678-0001). - Page 20 Chapter 1 • Overview 1037749-0001 Revision B...
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Page 21: Antenna Parts And Required Tools
Chapter 2 Antenna parts and required tools This chapter describes the components and parts provided with the AN8-074P Ka-band antenna kit. It contains the following sections: • Antenna kit components on page 7 • Small hardware parts list on page 13 •... -
Page 22: Antenna Kit Components
Figure 2: Antenna kit components Note: The radio assembly is shipped separately and may not arrive at the same time as the other two cartons. The main components of the antenna kit are: • Az/El mount assembly • Reflector bracket •... -
Page 23: Az/El Mount Assembly
Az/El mount assembly The Az/El mount assembly, shown in Figure 3, consists of the Az/El canister, the elevation scale, and the fine azimuth and fine elevation tools. The Az/El canister supports the antenna. The elevation scale is used to coarse-point the antenna in the azimuth plane. -
Page 24: Reflector Bracket And Tilt Plate
Reflector bracket The reflector bracket supports the antenna reflector. The tilt plate allows the reflector to rotate so that it can be adjusted for proper and tilt plate tilt. The reflector bracket and tilt plate attach to the Az/El mount assembly. -
Page 25: Feed Support Arm
CAUTION To avoid damage to the antenna reflector, handle it with care. After assembly, do not use the reflector to rotate the antenna. Feed support arm Figure 6 shows the feed support arm. The feed support arm supports the radio assembly and feed horn. It attaches to the reflector bracket. -
Page 26: Feed Horn
AN8-074P Ka-band antenna. As shown in Figure 9, the tri-mast can be positioned in a number of configurations to adapt it for mounting onto surfaces of various angles. For other suitable... -
Page 27: Small Hardware Parts List
Small hardware Table 1 lists the small hardware parts included with the antenna kit and radio assembly. parts list Table 1: Small hardware parts Listed parts are Illustration showing Part Quantity used to attach . . . where parts are used Parts shipped in bag 0200-1378 5/16-inch ×... -
Page 28: Tools
Tools Table 2 lists the tools required to assemble and install the antenna. Table 2: Tools required to assemble and install the antenna Tool Details Socket wrench, ½-inch For 5/16-inch bolts. (with 3-inch extension) Open-end wrench, For 5/16-inch bolts. Two of the Az/El ½-inch canister nuts are not accessible by socket wrench. -
Page 29: 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. Topics in this chapter include: • Determining the pointing values on page 15 • General instructions for assembling the antenna on page 16 •... -
Page 30: General Instructions For Assembling The Antenna
General instructions for Before you assemble the antenna, read these important instructions: assembling the antenna • Mast – The mast must be installed before you can install the antenna. For information on installing the antenna mast, see the HughesNet System Antenna Site Preparation and Mount Installation Guide, (1035678-0001). -
Page 31: Installing The Reflector Bracket And Tilt Plate
Installing the reflector Begin the antenna assembly by attaching the antenna reflector bracket and tilt plate to the Az/El mount: bracket and tilt plate 1. Hold the reflector bracket in position over the Az/El mount so that the tilt scale faces the mount, as shown in Figure 10. Figure 10: Attaching the reflector bracket 2. -
Page 32: Installing The Antenna Reflector
When the reflector bracket and tilt plate are correctly positioned on the Az/El mount assembly, you should be able to clearly see the tilt scale numbers on the reflector bracket above the mount assembly tilt pointer, as shown in Figure 11. Figure 11: Tilt scale Installing the antenna To attach the antenna reflector to the reflector bracket:... -
Page 33: Installing The Feed Support Arm
Figure 12: Attaching the antenna reflector 3. Insert the ¼-inch Phillips head screw through the hole near the bottom of the reflector, as shown in the figure, and into the corresponding hole in the reflector bracket arm. 4. Using a Phillips head screwdriver, tighten the ¼-inch screw. 5. -
Page 34: Attaching The Feed Support Arm To The Tailpiece
3. Place one flat washer, lock washer, and hex nut onto each bolt and tighten until secure. Figure 13: Attaching the feed support arm to the tailpiece 4. Check to make sure that the tailpiece does not shift from its proper position or become misaligned in the reflector bracket when pressure is applied to the feed support arm. -
Page 35: Installing The Radio Assembly
Installing the radio To mount the radio assembly to the feed support arm: assembly 1. Insert a single 5/16-inch × 1¾-inch bolt, with flat washer and lock washer through the feed support arm from underneath. 2. Position the long adapter bracket on the feed support arm so that the bolt fits through the hole. -
Page 36: Attaching The Radio Assembly
Figure 15: Attaching the radio assembly 6. 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. 7. -
Page 37: Securing The Rear Of The Radio Assembly
8. Place the short adapter bracket in position near the end of the feed support arm and lower the radio onto it as shown in Figure 16. Figure 16: Securing the rear of the radio assembly 9. Insert one 5/16-inch × 1¾-inch bolt, with flat washer and lock washer, up through the feed support arm and the short adapter bracket, into the threaded socket on the transmitter. -
Page 38: Adjusting Transmit Circular Polarization
Adjusting transmit It may be necessary for you to reposition the polarizer waveguide on the radio assembly to set the proper polarization between the circular polarization radio transmitter and the antenna reflector. Before proceeding with the installation, check the installation reference sheet to determine whether the installation calls for left-hand circular polarization (LHCP) or right-hand circular polarization (RHCP). -
Page 39: Adjusting Circular Polarization (Collar Removed)
the TRIA. As shown in Figure 18, the LHCP notch is adjacent to the L on the polarizer and the RHCP notch is adjacent to the R on the polarizer). Figure 18: Adjusting circular polarization (collar removed) 3. Reseat the waveguide with the TRIA and reassemble the collar. -
Page 40: Securing The Waveguide Collar
Figure 19: Securing the waveguide collar Chapter 3 • Installing the antenna and radio assembly 1037749-0001 Revision B... -
Page 41: 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 (shown in Figure 20). Figure 20: Remove the protective seal from the polarizer 2. -
Page 42: Radio Assembly And Feed Horn Installed
Figure 21: Aligning the feed horn on the adapter bracket 4. Fit the two sections of the feed horn collar around the ridge at the point where the feed horn meets the polarizer, as shown in Figure 22. Figure 22: Radio assembly and feed horn installed 5. -
Page 43: Installing The Antenna Assembly Onto The Mast Pipe
Figure 23: Aligning the collar on the waveguide 6. Insert and tighten two Allen screws into the collar to secure the feed horn in place. 7. Insert the final two mounting screws onto either side of the feed horn and secure it to the feed horn support bracket using a 1/4-inch Phillips head screwdriver. -
Page 44: Installing The Az/El Mount Assembly
Bubble must be centered between marks. To make sure the mast is plumb, check with the level in two positions at right angles to each other. Mast Level Mast Bubble level 2nd level position Top view Side view T0144012 Figure 24: Making sure the mast is plumb 2. -
Page 45: Assembled Antenna
This completes the assembly phase of the antenna installation process. Depending on its orientation, the antenna should look similar to the one shown in Figure 26. Figure 26: Assembled antenna To proceed with the installation, you must route the IFL Tx and Rx cables between the antenna and the IDU. - Page 46 Chapter 3 • Installing the antenna and radio assembly 1037749-0001 Revision B...
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Page 47: Cabling And Connections
Chapter 4 Cabling and connections This chapter illustrates where the antenna transmit, receive, and ground connectors are located; shows how to route the transmit and receive cables at the antenna; and explains how to connect the transmit and receive cables to the radio assembly. You must connect all of these cables before you can point the antenna toward the HughesNet system satellite. -
Page 48: Routing The Cables At The Antenna
Routing the cables at Route the coaxial Tx and Rx cables at the antenna as follows: the antenna 1. Route the Tx 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 27. -
Page 49: Connecting The Transmit And Receive Cables
4. Route the Rx cable (marked with red electrical tape) over the Az/El mount assembly, down behind the reflector, and along the feed support arm to the LNB, in a configuration similar to that shown in Figure 27 above. Note: Do not exceed the minimum bending radius specified by the cable manufacturer. -
Page 50: Transmit Cable
Transmit cable Connect the Tx cable to the radio transmitter as follows: 1. Remove power from the IDU. 2. Connect the Tx cable (marked with blue electrical tape) to the transmitter connector marked IFL, shown in Figure 29. CAUTION Coaxial cables and connectors can corrode if exposed to moisture. -
Page 51: Ground Connections
Figure 30: Receive connector 3. Tighten the cable connector with a 7/16-inch wrench. 4. Apply dielectric silicone grease to the connection. 5. If necessary, secure the cable with cable ties. 6. After both the Tx and Rx cables are connected to the radio and the IDU, reapply power to the IDU in accordance with the instructions in the IDU installation guide. -
Page 52: Ground Screw On The Az/El Mount
Figure 31: Ground screw on the Az/El mount This completes the installation. You must now point the antenna. See the HughesNet Ka-Band Antenna Pointing Guide (1037663-0001) for details. Chapter 4 • Cabling and connections 1037749-0001 Revision B... -
Page 53: Adjusting The Antenna Azimuth And Elevation
It does not discuss the pointing process itself. For information on pointing the AN8-074P and all HughesNet Ka-Band antennas, see the HughesNet Ka-Band Antenna Pointing Guide (1037663-0001). This chapter contains the following sections: •... -
Page 54: Adjusting The Elevation
Adjusting the elevation 1. To begin, unlock the elevation by loosening the two 5/16-inch elevation lockdown nuts on either side of the Az/El mount. Figure 32 shows the location of the nuts (only one nut is shown). Figure 32: Elevation adjustment components 2. -
Page 55: Elevation Marker
Figure 33: Elevation marker 4. Tighten the two lockdown nuts on either side of the Az/El mount using a ½-inch socket and torque wrench to secure the elevation setting in place. Chapter 5 • Adjusting the antenna azimuth and elevation 1037749-0001 Revision B... -
Page 56: Adjusting The Azimuth
Adjusting the azimuth 1. Ensure that the three 5/16-inch azimuth lockdown nuts at the bottom of the Az/El canister (shown in Figure 34) are loose enough that the canister rotates freely on the mast. Figure 34: Azimuth adjustmen components 2. Manually point the antenna reflector in the appropriate direction as indicated on the installation reference sheet. - Page 57 5. Using a compass, verify that the azimuth is correct and tighten the three lockdown nuts fully to secure the antenna in position. Chapter 5 • Adjusting the antenna azimuth and elevation 1037749-0001 Revision B...
- Page 58 Chapter 5 • Adjusting the antenna azimuth and elevation 1037749-0001 Revision B...
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Page 59: Acronyms And Abbreviations
Acronyms and abbreviations Az – Azimuth RF – Radio frequency RHCP – Right-hand circular polarization Rx – Receive El – Elevation TRIA – Transmit/receive isolation assembly FSB – Field service bulletin Tx – Transmit ft – Foot/feet ft-lb – Foot-pounds GPS –... - Page 60 • Acronyms and abbreviations 1037749-0001 Revision B...
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Page 61: Index
Index Antenna IDU, installing 5, 33 kit components 2, 4, 12 mount installation Installation Az/el mount assembly related tasks description summary of steps 17–18 installing Installation site, determining 29–30 mounting to mast Installing 4–5, 12 antenna mount pole mount installation requirements 17–18 az/el mount Cable connector locations... - Page 62 Receive cable connector location Reflector description 18–19 installing Reflector bracket description 17–18 installing Site survey Tailpiece ??–20 installing Tilt plate description 17–18 installing Tilt scale Tool list Torque Transmit cable connecting routing Transmitter, radio connecting cables Tri-mast • Index 1037749-0001 Revision B...
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