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Chapter 4 • Cabling and connections

36

1037750-0001 Revision A

Routing the cables at
the antenna

Route the coaxial transmit (Tx) and receive (Rx) cables at the
antenna as follows:

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 29.

2. Leave a 10-foot service loop and secure it to either the mast,

Az/El mount, or reflector bracket.

Note:

Do not exceed the minimum bending radius specified by

the cable manufacturer.

Figure 29: Transmit and receive cable configurations

Note:

1. Do not leave the service loop lying on the roof or other
mounting surface.

2. Do not block access to the azimuth and elevation
adjustment nuts on the Az/El mount assembly.

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Содержание AN8-098P

Страница 1: ...1037750 0001 Revision A January 30 2009 98m Ka Band Antenna Installation Guide Model AN8 098P ...

Страница 2: ...eteness of the material in this document Hughes Network Systems LLC shall not be liable for errors contained herein The information in this document is subject to change without notice Hughes Network Systems LLC makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Trademarks Hughes and...

Страница 3: ...lation site 4 Installing the antenna mount 4 Installing the IDU 5 Grounding 5 Cabling Information 5 Chapter 2 Antenna parts and required tools 7 Antenna kit components 7 Az El mount assembly 9 Reflector bracket and adapter block 10 Antenna reflector 10 Feed support arm and support rods 11 Radio assembly 11 Feed horn and collar 12 Related Components 12 Tri mast or other antenna mount 12 Small hardw...

Страница 4: ...he feed horn 28 Installing the antenna assembly onto the mast pipe 31 Chapter 4 Cabling and connections 35 Cabling requirements 35 Routing the cables at the antenna 36 Connecting the transmit and receive cables 38 Transmit cable 39 Receive cable 40 Ground connection 41 Adjusting the antenna azimuth and elevation 43 Adjusting the elevation 44 Adjusting the azimuth 46 Acronyms and abbreviations 49 I...

Страница 5: ... 20 13 Aligning the reflector with the adapter block 21 14 Attaching the antenna reflector 22 15 Attaching the feed support arm to the adapter block 23 16 Attaching the support rods to the reflector right rod shown 24 17 Attaching the support rods to the feed support arm 24 18 Attaching the radio assembly 25 19 Determining the polarization setting 26 20 Adjusting circular polarization collar remov...

Страница 6: ...nd receive cable configurations 36 30 Weatherproofing the cable connectors 38 31 Transmit connector 39 32 Receive connector 40 33 Ground screw on the Az El mount 41 34 Elevation adjustment components 44 35 Elevation marker 45 36 Azimuth adjustment components 46 ...

Страница 7: ... Tables 1037750 0001 Revision A vii Tables Chapter 2 1 Small hardware parts 14 2 Tools required to assemble and install the antenna 15 Chapter 3 3 Torque specifications 18 ...

Страница 8: ... Tables viii 1037750 0001 Revision A ...

Страница 9: ... personal injury or in some cases death as explained below Each of these signal words indicates the severity of the potential hazard Messages concerning property damage A NOTICE concerns property damage only DANGER DANGER indicates a potentially hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a potentially hazardous situation which if not a...

Страница 10: ... a specific type of hazard for example fire or electric shock If other hazard symbols are used in this document they are identified in this section Additional symbols This document uses the following hazard symbols Indicates a safety alert message that concerns a potential electric shock hazard Indicates a safety alert message concerning a potentially hazardous situation in which you could fall In...

Страница 11: ...advise that the antenna emits radio frequency RF energy Because of this potential safety hazard observe all cautions on these labels and in the next section Antenna installation safety Feed support arm Reflector back side Transmitter CAUTION This device emits radio frequency energy Keep two feet 0 6 meters away from this point Before servicing or upgrading unplug indoor power connection Safety ale...

Страница 12: ...y on sound roof structures Make sure the antenna assembly and installation surface are structurally sound so that they can support all loads equipment weight ice and wind Use safety equipment for example a lifeline appropriate for the work location Follow all manufacturer safety precautions for all safety and other equipment used Perform as many procedures as possible on the ground DANGER To avoid...

Страница 13: ...trong forces on the antenna surface CAUTION If the antenna or mount assembly begins to fall during the installation do not attempt to catch it Move away and let it fall WARNING Antennas that have been improperly installed or attached to an unstable structure are susceptible to wind damage which can be very serious or even life threatening The product owner and installer assume full responsibility ...

Страница 14: ...pon which a person might be expected to stand and 3 ft 3 inches from any opening such as a door or window in a building or adjacent structure The antenna must be mounted such that no object that could reasonably be expected to support a person is within 6 ft 7 inches of the edges of a cylindrical space projecting outward from the antenna reflector toward the satellite If the above distance require...

Страница 15: ...allation in a commercial industrial or institutional environment must carry a Radiation Hazard Caution sign on the access door gate or permanently mounted access ladder within plain sight of anyone approaching the antenna from the front or sides of the reflector Failure to observe these cautions could result in injury to eyes or other personal injury Note Some installations may require additional ...

Страница 16: ... Understanding safety alert messages xvi 1037750 0001 Revision A ...

Страница 17: ...o antenna installation These topics are included in the following sections The model AN8 098P antenna on page 1 Antenna installation summary on page 2 Tasks related to antenna installation on page 4 The model AN8 098P antenna The Hughes model AN8 098P antenna is designed for Ka band applications Each HughesNet antenna station consists of an antenna assembly and an indoor unit IDU which can be eith...

Страница 18: ...n the installation process to the customer 2 Conduct a site survey with the customer to identify a suitable location for the antenna See the HughesNet Antenna Site Preparation and Mount Installation Guide 1035678 0001 for details 3 Install and apply power to the IDU following the instructions in the installation guide for the specific IDU you are installing Figure 1 The Hughes model AN8 098P 98 m ...

Страница 19: ...r 3 Installing the antenna and radio assembly 10 Install the radio assembly See Chapter 3 Installing the antenna and radio assembly 11 Install the feed horn See Chapter 3 Installing the antenna and radio assembly 12 Attach the Az El mount and antenna assembly to the antenna mast pipe See Chapter 3 Installing the antenna and radio assembly 13 Install the IFL transmit and receive cables between the ...

Страница 20: ...ruction a local building permit may be required before installing the antenna It is the property owner s responsibility to obtain all permits If necessary modify the installation instructions in this manual in accordance with local building codes Installing the antenna mount Before installing the antenna itself you must first install a suitable antenna mount If the system requires a pole mount ins...

Страница 21: ... entire antenna assembly must be grounded For grounding information refer to your training best grounding practices the Hughes Field Service Bulletin FSB HNS Broadband Requirements for RG 6 and RG 11 IFL Cable Connectors Ground Blocks and Ground Block Location FSB 050518_01 and applicable parts of the National Electrical Code NEC Cabling Information For a list of approved cable types for the IFL b...

Страница 22: ...Chapter 1 Overview 6 1037750 0001 Revision A ...

Страница 23: ...ts Upon receiving the kit unpack and inspect the antenna components and hardware to make sure all parts have been received in good condition If any parts appear to have been damaged in transit immediately contact the freight carrier If any parts appear to be missing or damaged but not as a result of handling in transit contact your dealer or distributor The antenna kit is shipped in three containe...

Страница 24: ... El mount assembly Reflector bracket and adapter block Antenna reflector Feed support arm and support rods Radio assembly Feed horn and collar Related components not shown Tri mast or other mount 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 ...

Страница 25: ...scale and the azimuth and elevation adjustment tools The Az El canister supports the antenna and secures it to the mast The elevation scale is used to measure the angle of antenna elevation The fine azimuth and elevation tools are used to finely adjust the azimuth and elevation of the reflector during antenna pointing See the HughesNet Ka Band Antenna Pointing Guide 1037663 0001 for detailed instr...

Страница 26: ...The adapter block attaches to the reflector bracket and anchors the feed support arm to the antenna assembly Figure 4 shows the reflector bracket and adapter block Antenna reflector The antenna reflector shown in Figure 5 focuses the transmitted and received RF signals It attaches to the reflector bracket and the adapter block Figure 4 Reflector bracket and adapter block Figure 5 Antenna reflector...

Страница 27: ...assembly and feed horn The support rods attach to the reflector to stabilize the arm and provide additional support Radio assembly The radio assembly shown in Figure 7 consists of the radio transmitter low noise block converter LNB transmit receive isolation assembly TRIA and polarizer waveguide NOTICE To avoid damage to the antenna reflector handle it with care Figure 6 Feed support arm and suppo...

Страница 28: ...se it is the most commonly used mounting option for the AN8 098P 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 antenna mounting options see the HughesNet Antenna Site Preparation and Mount Installation Guide 1035678 0001 Figure 8 Feed horn and collar NOTICE Do not remove ...

Страница 29: ...Chapter 2 Antenna parts and required tools 1037750 0001 Revision A 13 Figure 9 Tri mast in various configurations Wall Flat roof Pitched roof Mast Struts 2 T0144002 ...

Страница 30: ...tor to reflector bracket Figure 14 on page 22 7 16 2 5 inch hex head bolt 1 Feed support arm to adapter block Figure 15 on page 23 7 16 inch flat washer 1 7 16 inch lock washer 1 7 16 1 inch hex head bolts 2 Support rods to reflector Figure 16 on page 24 7 16 inch lock washers 2 7 16 inch serrated flange hex nuts 2 7 16 2 inch hex head bolt 1 Support rods to feed support arm Figure 17 on page 24 7...

Страница 31: ...ond wrench to prevent turning Torque wrench With inch and 7 16 inch sockets capable of torquing to 8 ft lb Long shaft hexagonal ball driver 7 64 inch For 6 32 Allen screws Driver shaft should be at least 5 inches long Torque wrench for hexagonal socket Must fit a 3 mm hexagonal socket and be capable of torquing to 15 in lb Bubble level Used to make sure that the mast is plumb Compass Used in deter...

Страница 32: ...Chapter 2 Antenna parts and required tools 16 1037750 0001 Revision A ...

Страница 33: ...sembly onto the mast pipe on page 31 Determining the pointing values Before installing the antenna you must install and power up the IDU Refer to the appropriate IDU installation guide for instructions Once the IDU is powered up connect it to your laptop using an Ethernet cable then use your global positioning system GPS receiver to calculate the exact latitude and longitude of the antenna site Fo...

Страница 34: ...s chapter in the order they are presented Tightening hardware Do not tighten any nuts or other hardware until you are instructed to do so See also the next item Torque Torque To ensure successful installation of the antenna it is critical that you tighten all nuts and socket head screws to the maximum torque values shown in Table 3 Note The mast diameter must be 2 5 inch nominal pipe size 2 88 inc...

Страница 35: ...r the top of the reflector bracket over the elevation linkage as shown in Figure 10 3 Align the tabs on the reflector bracket with the two pivot holes in the sides of the Az El mount as shown in Figure 11 and insert two carriage bolts from the inside out through the holes 4 Secure the reflector bracket to the Az El mount from the outside with two inch nuts Figure 10 Attaching the reflector bracket...

Страница 36: ...0 1037750 0001 Revision A 5 Fit the adapter block between the extensions on either side of the reflector bracket arm in the position shown in Figure 12 Figure 11 Securing the reflector bracket Figure 12 Attaching the adapter block to the reflector bracket ...

Страница 37: ... threaded sockets on the adapter block two on each side Do not tighten the bolts at this time Installing the antenna reflector To attach the antenna reflector to the reflector bracket 1 Place the reflector in position on the reflector bracket so that the two keys on the bottom of the reflector fit into the corresponding notches on the adapter block as shown in Figure 13 Figure 13 Aligning the refl...

Страница 38: ...n Figure 14 3 Insert four thread cutting bolts inch 3 4 inch into the holes in the reflector bracket from the back and through the corresponding holes in rear of the reflector 4 Once the reflector is in place tighten the nuts lightly only until snug then tighten the four bolts that secure the adapter block to the reflector bracket Figure 14 Attaching the antenna reflector ...

Страница 39: ...et of the adapter block 3 Tighten until secure 4 Attach the two support rods to the reflector rim on opposite sides using one 7 16 x 1 inch hex head bolt for each rod as shown in Figure 16 As shown in the figure the two tips at the opposite ends of the support rods are not the same Be sure to attach the longer tipped ends to the reflector as illustrated in Figure 16 Do not tighten Note There are t...

Страница 40: ...pport arm as shown in Figure 17 using a single 7 16 x 1 25 inch bolt lock washer and flat washer 6 Secure the bolt with a 7 16 inch nut and tighten 7 Tighten the two bolts securing the rods to the reflector Figure 16 Attaching the support rods to the reflector right rod shown Figure 17 Attaching the support rods to the feed support arm ...

Страница 41: ...upport arm Adjusting circular polarization It may be necessary for you to reposition the polarizer waveguide on the radio assembly to set the proper polarization between the radio transmitter and the antenna reflector Before proceeding check the installation reference sheet to determine whether the installation calls for left hand circular polarization LHCP or right hand circular polarization RHCP...

Страница 42: ...s that hold it together 2 Separate the polarizer from the TRIA and rotate it one quarter turn clockwise for LHCP or counter clockwise for RHCP until the appropriate notch lines up with the key on the end of the TRIA As shown in Figure 20 the LHCP notch is adjacent to the L on the polarizer and the RHCP notch is adjacent to the R on the polarizer Figure 19 Determining the polarization setting ...

Страница 43: ...ge formed at the waveguide seam When properly aligned the seam formed by the two halves of the collar will line up with the seam on the waveguide 4 Reinsert the two Allen screws into the collar and tighten to secure the polarizer in place Be sure to tighten the collar completely Figure 20 Adjusting circular polarization collar removed NOTICE You must assemble the collar exactly as described above ...

Страница 44: ...l from the polarizer on the radio assembly shown in Figure 22 Figure 21 Securing the waveguide collar NOTICE Do not remove the protective packing material from the feed horn window until installation of the radio assembly is complete Do not attempt to remove the feed horn window at any time Be careful not to damage the feed horn window Do not touch the plastic film that covers the window ...

Страница 45: ...0001 Revision A 29 2 Remove the dust cap from the stem of the feed horn and insert the O ring into the groove inside the stem as shown in Figure 23 Figure 22 Remove the protective seal from the polarizer Figure 23 Insert O ring into groove at mouth of feed horn ...

Страница 46: ...24 4 Fit the two halves of the feed horn collar around the ridge at the point where the feed horn meets the waveguide as shown in Figure 25 When properly aligned the seam formed by the two halves of the collar will line up with the seam on the waveguide as shown in the figure Figure 24 Feed horn position Figure 25 Attaching the feed horn collar ...

Страница 47: ... a bubble level to make sure that the mast is plumb Check the mast at two perpendicular locations as shown in Figure 26 NOTICE You must assemble the collar exactly as described above and as shown in Figure 25 before fully assembling the collar Failure to do so will result in damage to the polarizer waveguide Note It is critical that the antenna mast is plumb It is impossible to adjust the antenna ...

Страница 48: ...embly 32 1037750 0001 Revision A 2 Slide the Az El canister down onto the mast as shown in Figure 27 3 Tighten Note The mast diameter must be 2 5 inch nominal pipe size 2 88 inch outside diameter Figure 27 Installing the antenna onto the mast pipe ...

Страница 49: ...se of the antenna installation process Depending on its orientation the antenna should look similar to the one shown in Figure 28 To proceed with the installation you must route the IFL transmit and receive cables between the antenna and the IDU See Chapter 4 Cabling and connections Figure 28 Assembled antenna ...

Страница 50: ...Chapter 3 Installing the antenna and radio assembly 34 1037750 0001 Revision A ...

Страница 51: ...1 Cabling requirements 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 applicable radio types Because it is impossible to predict the requirements specific to each installation si...

Страница 52: ...support arm to the rear of the transmitter in a configuration similar to that shown in Figure 29 2 Leave a 10 foot service loop and secure it to either the mast Az El mount or reflector bracket Note Do not exceed the minimum bending radius specified by the cable manufacturer Figure 29 Transmit and receive cable configurations Note 1 Do not leave the service loop lying on the roof or other mounting...

Страница 53: ...e LNB in a configuration similar to that shown in Figure 29 above 5 Leave a 10 foot service loop and secure it to either the mast Az El mount assembly or reflector bracket 6 Coil the extra cable leave a drip loop and secure the Rx cable with cable ties Note Do not exceed the minimum bending radius specified by the cable manufacturer Note 1 Do not leave the service loop lying on the roof or other m...

Страница 54: ... assembly at the antenna Note You should protect all outdoor cable connections with dielectric grease and weatherproofing tape as shown in Figure 30 However because the antenna pointing procedure requires that you disconnect the cables you should wait until the pointing process is complete before weatherproofing the connections Figure 30 Weatherproofing the cable connectors ...

Страница 55: ...Connect the Tx cable to the transmitter connector marked IFL shown in Figure 31 4 Tighten the cable connector until it is finger tight then tighten an additional 1 4 turn with a 7 16 inch wrench 5 If necessary secure the cable with cable ties NOTICE Coaxial cables and connectors can corrode if exposed to moisture Use only compression type connectors and weatherproof them with dielectric grease and...

Страница 56: ...4 Tighten the cable connector until it is finger tight then tighten an additional 1 4 turn with a 7 16 inch wrench 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 NOTICE Coaxial cables and connectors can corrode if exposed to moisture U...

Страница 57: ...rocedures refer to the sources listed in Grounding on page 5 This completes the installation You must now point the antenna See the Ka Band Antenna Pointing Guide 1037663 0001 for details Note Although the radio transmitter contains a ground screw a separate ground wire to the radio assembly is not required the radio assembly is grounded through the metallic shield of the coaxial cable Figure 33 G...

Страница 58: ...Chapter 4 Cabling and connections 42 1037750 0001 Revision A ...

Страница 59: ...installer you will perform these procedures during the antenna pointing process This chapter discusses the mechanical adjustments used to modify the position of the antenna only It does not discuss the pointing process itself For information on pointing the AN8 098P and all HughesNet Ka Band antennas see the HughesNet Ka Band Antenna Pointing Guide 1037663 0001 This chapter contains the following ...

Страница 60: ...cation of the nuts only one nut is shown 2 Loosen the top elevation adjustment nut and spin it counter clockwise until it rides an inch or two up the elevation adjustment rod 3 Use the lower nut to adjust the elevation 4 As shown in Figure 35 the black line on the bar behind the lockdown nut acts as a pointer to indicate the value in the elevation scale For example the antenna shown in the figure ...

Страница 61: ...vision A 45 5 Spin the top elevation adjustment nut clockwise until it is snug against the base plate 6 Lock down the elevation by tightening the two lockdown nuts on either side of the Az El mount using a inch socket and torque wrench Figure 35 Elevation marker ...

Страница 62: ... assembly rotates freely on the mast 2 Manually point the antenna reflector as accurately as possible in the appropriate direction as indicated on the installation reference sheet 3 Tighten the three lockdown nuts just enough so that the antenna does not rotate freely Figure 36 Azimuth adjustment components NOTICE Do not attempt to adjust the azimuth manually by pulling on the antenna reflector or...

Страница 63: ...e the azimuth adjustment bolt shown in Figure 36 in either direction to achieve the desired azimuth angle 5 Verify the azimuth with a compass and tighten the three lockdown nuts fully to secure the antenna in position Note Azimuth measurements are calibrated relative to true north not magnetic north ...

Страница 64: ... Adjusting the antenna azimuth and elevation 48 1037750 0001 Revision A ...

Страница 65: ...positioning system H hr Hour I IDU Indoor unit IFL Intra facility link in lb Inch pound L LHCP Left hand circular polarization LNB Low noise block converter LOS Line of sight M m Meter N NEC National Electrical Code NOCC Network Operations Control Center R RF Radio frequency RHCP Right hand circular polarization Rx Receive T TRIA Transmit receive isolation assembly Tx Transmit ...

Страница 66: ... Acronyms and abbreviations 50 1037750 0001 Revision A ...

Страница 67: ...mbly 38 receive cable 40 transmit cable 39 Connectors 35 F Feed horn description 12 installing 28 31 Feed support arm description 11 installing 23 G GPS 17 Grounding 5 ground screw location 41 H Hardware parts list 14 I IFL 5 Installation site 4 Installation summary of steps 2 Installing antenna mount 4 5 12 pole mount installation requirements 4 feed horn 28 31 feed support arm 23 radio assembly ...

Страница 68: ...ctor bracket description 10 installing 19 21 S Summary of installation steps 2 Support rods 11 T Tasks related to installation 2 Tool list 15 Torque 18 Transmit cable connecting 39 routing 36 Transmitter 11 connecting 39 Tri mast 12 U Unpacking the antenna 7 W Waveguide polarizer 25 ...

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