Crestron Antenna System SRD-ANT-4-PAK Manuale utente
Crestron SRD-ANT-4-PAK
Antenna System
Installation Guide
This document was prepared and written by the Technical Documentation department at:
Crestron Electronics, Inc.
15 Volvo Drive
Rockleigh, NJ 07647
1-888-CRESTRON
Important Safety Instructions
• Read and Retain Instructions – Read all Instructions before
operating equipment and save for future reference.
• Outdoor Antenna Grounding – The antenna and coaxial cable
connecting to the unit should be properly grounded to provide
protection against voltage surges and built-up static charges. Article
810 of the National Electrical Code (NEC), ANSI/NFPA 70, provides
information with regard to proper grounding of the mast and
supporting structure, grounding of the lead-in wire to an antenna
discharge unit, size of grounding conductors, location of antenna-
discharge unit, connection to grounding electrodes, and requirements
for the grounding electrode.
• Power Lines – An outside antenna system should not be located in
the vicinity of overhead power lines or electric light or power circuits,
or where they can fall into such power lines or circuits. When
installing an outside antenna system, extreme care should be taken to
keep from touching such power lines or circuits, as contact with them
might be fatal.
All brand names, product names and trademarks are the property of their respective owners.
©2008 Crestron Electronics, Inc.
Crestron SRD-ANT-4-PAK Antenna System
Contents
Antenna System: SRD-ANT-4-PAK 1
Introduction................................................................................................................................1
Block Diagram.............................................................................................................2
Specifications...............................................................................................................2
Included Items .............................................................................................................3
Industry Compliance....................................................................................................4
Installation .................................................................................................................................5
Installation Notes.........................................................................................................5
Wall Mounting.............................................................................................................5
Pole Mounting .............................................................................................................6
Hookup ........................................................................................................................6
Aiming the Antenna.....................................................................................................7
Problem Solving.........................................................................................................................8
Troubleshooting...........................................................................................................8
Further Inquiries ..........................................................................................................8
Future Updates.............................................................................................................9
Appendix: Azimuth and Elevation Pointing Guide..................................................................10
Return and Warranty Policies ..................................................................................................13
Merchandise Returns / Repair Service.......................................................................13
CRESTRON Limited Warranty.................................................................................13
Installation Guide – DOC. 6723A Contents •i
Crestron SRD-ANT-4-PAK Antenna System
Antenna System:
SRD-ANT-4-PAK
Introduction
The SRD-ANT-4-PAK is a high quality outdoor antenna system designed for use
with up to four Crestron®XM or SIRIUS®satellite radio tuners. The inclusion of an
SRD-SPL-4 Four-Way Amplified Splitter enables distribution of the antenna signal
to four separate tuners while allowing the antenna to be positioned up to 200 feet
(cable length) from the tuners using standard RG-6 cable (not included).
The antenna features a considerably narrower beam width compared to standard
consumer antennas, achieving superior gain and multi-path rejection. Additional
front end filtering provides excellent rejection to nearby out-of-band RF signals from
sources such as Wi-Fi, cellular telephones, and cordless telephones.
A wall mount bracket with elevation and azimuth adjustments is provided for
installation of the antenna to any horizontal or vertical flat surface. The additional
U-bolt and saddle enable mounting to a pole (not included) up to two inches in
diameter. Connections between the antenna and splitter are achieved using industry
standard RG-6 cable and F-type connectors (not supplied).
Four 3-foot F-to-SMB adapter cables are included for connecting each tuner to the
splitter outputs. If needed, standard RG-6 cable with male F-connectors (not
supplied) may be used to extend the output cable lengths up to 70 feet from each
individual splitter output to the tuners. Adding an SRD-AMP-1 line amplifier (sold
separately) at the input of the splitter will enable longer output cable lengths of up to
200 feet each.
NOTE: Unused splitter outputs do not have to be terminated for proper operation.
A 20 dB power passing attenuator is also included for use in preventing overload of
the splitter input in any installation that is located near a high power satellite radio
terrestrial repeater.
Installation Guide – DOC. 6723A Antenna System: SRD-ANT-4-PAK •1
Antenna System Crestron SRD-ANT-4-PAK
Block Diagram
NOTE: In this typical layout example, the sum total of all the cable segments
between the antenna output and the most distant radio should not exceed 275 feet.
Specifications
Following are specifications for the SRD-ANT-4-PAK.
SRD-ANT-4-PAK Specifications
SPECIFICATION DETAILS
Antenna
Gain
Polarization
Output connector
Wind resistance
12dBi (Typical)
Left hand circular
F-female
Up to 100 MPH
Splitter
Gain at 2.335 GHz
Max noise figure
Max input signal
Current consumption
DC power passing
DC voltage drop (output to input)
8 dB min
3 dB
-10 dBm1
40 – 100 milliamps
all ports (diode protected)
0.5 VDC typical
Environmental Temperature -40° to 150°F (-40° to 66°C)
Humidity 0% to 98% RH
(non-condensing)
(Continued on following page)
2 •Antenna System: SRD-ANT-4-PAK Installation Guide – DOC. 6723A
Crestron SRD-ANT-4-PAK Antenna System
SRD-ANT-4-PAK Specifications (Continued)
SPECIFICATION DETAILS
Overall Dimensions
Antenna
Height
Width
Depth
Wall Mount3
Height
Width
Length
Splitter
Height
Width
Length
7.75 in (19.69 cm)
7.75 in (19.69 cm)
1.19 in (3.03 cm)2
5.38 in (13.67 cm)
3.38 in (8.59 cm)
11.63 in (29.54 cm)
0.88 in (2.24 cm)
3.75 in (9.53 cm)
2.83 in (7.19 cm)
Weight 2.6 lbs (1.2 Kg)
1. Specification is achieved with supplied 20 dB attenuator.
2. Depth is measured from the interface connector to the high point of the convex antenna cover.
3. Wall mount dimensions include the antenna mounting bracket.
Included Items
The items included in the SRD-ANT-4-PAK are listed in the following table and
illustrated on the following page.
SRD-ANT-4-PAK Included Items
DESCRIPTION PART NUMBER QTY
Satellite Radio Antenna SRD-ANT-1 1
Wall Mount Bracket 2021597 1
Pole Mount Saddle 2021596 1
Mounting Screws and Hardware Package 4506257 1
Weather Boot 2021595 1
Four-way Amplified Splitter SRD-SPL-4 1
The items included with the SRD-SPL-4 are listed in the following table and are also
illustrated on the following page.
SRD-SPL-4 Kit Included Items
DESCRIPTION PART NUMBER QTY
4-Way Splitter w/Mounting Screws 2021578 1
F-female to SMB-plug, 3 ft cables 2021515 4
F-male to F-male Coupler 2021526 4
20 dB Power Passing Attenuator 2021580 1
SMB-jack to F-male Adapter 2021579 1
Installation Guide – DOC. 6723A Antenna System: SRD-ANT-4-PAK •3
Antenna System Crestron SRD-ANT-4-PAK
SRD-ANT-4-PAK and SRD-SPL-4 Included Items
Industry Compliance
As of the date of manufacture, the SRD-ANT-4-PAK has been tested and found to
comply with specifications for CE marking and standards per EMC and
Radiocommunications Compliance Labelling.
4 •Antenna System: SRD-ANT-4-PAK Installation Guide – DOC. 6723A
Crestron SRD-ANT-4-PAK Antenna System
Installation
Installation Notes
• Mount the antenna outdoors with the supplied wall mount or pole mount
accessories. Installation indoors or behind windows is not recommended.
Windowpanes can have tinted coatings that can attenuate the signal. The
attenuation of these coatings can vary greatly as a function of temperature.
• Use the radio’s signal strength display as a guide to adjust the antenna for
peak satellite signal reception.
• This antenna kit is designed to drive up to 200 feet of RG-6 cable with no
signal loss. For longer cable runs, use in-line amplifier(s) SRD-AMP-1
(purchased separately) to boost the signal.
• Although this antenna can receive signals from terrestrial repeaters, it is
recommended to always use the satellite signals for primary reception at
fixed sites. The satellite signals are much more stable and are not affected
by many uncontrolled variables that can impact reception signal quality
greatly over time.
Wall Mounting
Attach the wall mount assembly to a flat surface. Use the supplied screws to secure
the mount in the position desired (use of the included anchors requires 5/16” holes).
Vertical Mount
Elevation and
Azimuth Adjustments Horizontal Mount
Installation Guide – DOC. 6723A Antenna System: SRD-ANT-4-PAK •5
Antenna System Crestron SRD-ANT-4-PAK
Pole Mounting
Attach the antenna to any pole (not larger than two inches in diameter) using the
U-bolt and saddle with supplied attaching hardware as shown in the following
figures.
U-Bolt
Wall Mount
Bracket
Mounting Hardware2” DirecTV Pole
Saddle
1 ¾” Dish Network Pole
NOTE: For operation in close proximity to high power satellite radio terrestrial
repeaters, please use the supplied 20 dB attenuator on the input of the splitter to
avoid amplifier overload. Otherwise this attenuator is not required.
Hookup
After the antenna is mounted, refer to the diagram on page 2, connect cables, attach
the splitter, adjust the antenna position, and finalize the installation as follows:
1. Attach the RG-6 cable from the antenna to the splitter port labeled IN.
2. Attach an RG-6 cable from one of the OUT ports and route the cable to the
radio. (If the radio is located by the splitter, you can use the included
F-male splice).
NOTE: For best results in all configurations, use quad-shielded RG-6 cable
whenever possible.
3. Using the supplied 3-foot F-Female to SMB adapter cable, connect the
RG-6 coaxial cable from the antenna to the radio’s antenna input.
4. Adjust the azimuth and elevation pointing of the antenna for best reception
using the antenna signal strength menu in the radio. The antenna has a beam
width of ± 25º, which is narrower than standard consumer-quality home-kit
antennas, but provides higher gain and rejection to multi-path interference.
The “Appendix”, which starts on page 10, lists exact magnetic azimuth
bearings and elevation pointing angles for many major cities throughout the
US and Canada.
5. Tighten all hardware and seal the outdoor connectors using the included
weather boot or other means to prevent moisture ingress.
6 •Antenna System: SRD-ANT-4-PAK Installation Guide – DOC. 6723A
Indice
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