Crestron High-Gain Line Amplifier SRD-AMP-1 Manuale utente
Crestron SRD-AMP-1
High-Gain Line Amplifier
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
All brand names, product names and trademarks are the property of their respective owners.
©2008 Crestron Electronics, Inc.
Crestron SRD-AMP-1 High Gain Line Amplifier
Contents
High Gain Line Amplifier: SRD-AMP-1 1
Introduction................................................................................................................................1
Block Diagrams ...........................................................................................................2
Specifications...............................................................................................................3
Included Items .............................................................................................................3
Industry Compliance....................................................................................................4
Installation ...................................................................................................................4
Problem Solving.........................................................................................................................5
Troubleshooting...........................................................................................................5
Further Inquiries ..........................................................................................................6
Future Updates.............................................................................................................6
Return and Warranty Policies ....................................................................................................7
Merchandise Returns / Repair Service.........................................................................7
CRESTRON Limited Warranty...................................................................................7
Installation Guide – DOC. 6720A Contents •i
Crestron SRD-AMP-1 High Gain Line Amplifier
High Gain Line
Amplifier: SRD-AMP-1
Introduction
The SRD-AMP-1 is an inline amplifier intended for use in overcoming
cable and splitter losses in a Crestron®XM or SIRIUS®satellite radio
distribution network. It is rated to provide 16 dB (typical) of gain in the
satellite radio band (2320-2345 MHz), and is powered from the DC bias
voltage (4.5 VDC to 6.5 VDC nominal) provided by the antenna
connection on the satellite radio tuner downstream. It is also designed to
pass DC voltage to provide power to the antenna and other line amplifiers
installed upstream.
Placed at the beginning of a cable run, a single SRD-AMP-1 line
amplifier will overcome the loss of approximately 150 feet of standard
RG-6 cable. Up to two amplifiers may be cascaded at one spot for a total
of 32 dB of gain to overcome the loss of 300 feet of cable. Cable runs in
excess of 350 feet are possible using quad shielded RG-6, with additional
SRD-AMP-1 line amplifiers installed inline as necessary, spaced equally
along the cable run to prevent overload and distribute the gain properly.
An F-male coupler is included for use in connecting two line amplifiers
in cascade.
The amplifier will pass DC power in both directions, but must be
installed so the output (marked with an arrow labeled RADIO) is always
oriented in the direction of the radio.
NOTE: The SRD-AMP-1 is designed for indoor or outdoor mounting.
Installation Guide – DOC. 6720A High Gain Line Amplifier: SRD-AMP-1 •1
High Gain Line Amplifier Crestron SRD-AMP-1
Block Diagrams
The following diagrams illustrate three typical installation configurations
using the SRD-AMP-1 line amplifier.
Single SRD-AMP-1 Installation
Double SRD-AMP-1 Installation
Triple SRD-AMP-1 Installation
2 •High Gain Line Amplifier: SRD-AMP-1 Installation Guide – DOC. 6720A
Crestron SRD-AMP-1 High Gain Line Amplifier
Specifications
Following are specifications for the SRD-AMP-1.
SRD-AMP-1 Specifications
SPECIFICATION DETAILS
Gain 16 dB (Typical @ 4.5 VDC)
Current consumption 10 milliamps @ 4.5 VDC
Power passing Both directions
Environmental temperature -40° to 150°F (-40° to 66°C)
Humidity 0% to 98% RH
(non-condensing)
Overall dimensions:
Height
Width
Depth
0.64 in (1.63 cm)
3.25 in (8.26 cm)
1.07 in (2.72 cm)
Included Items
The items included in the SRD-AMP-1 are listed and shown below.
SRD-AMP-1 Included Items
DESCRIPTION PART NUMBER QTY
Amplifier with Mounting Screws 2021525 1
F-male to F-male Coupler 2021526 1
Installation Guide – DOC. 6720A High Gain Line Amplifier: SRD-AMP-1 •3
High Gain Line Amplifier Crestron SRD-AMP-1
Industry Compliance
As of the date of manufacture, the SRD-AMP-1 has been tested and
found to comply with specifications for CE marking and standards per
EMC and Radiocommunications Compliance Labelling.
Installation
Refer to the illustrations on page 2, and, using the screws provided, orient
and mount the amplifier(s) appropriately according to the distance
between the antenna and the radio. Prepare and connect appropriate RG-6
and/or RG-6 (quad shield) cables to the amplifier(s).
NOTE: For best results in all configurations, use quad-shielded RG-6
cable whenever possible.
4 •High Gain Line Amplifier: SRD-AMP-1 Installation Guide – DOC. 6720A
Crestron SRD-AMP-1 High Gain Line Amplifier
Problem Solving
Troubleshooting
The table after this paragraph provides corrective action for possible
trouble situations. If further assistance is required, please contact a
Crestron customer service representative.
SRD-AMP-1 Installation Troubleshooting
TROUBLE POSSIBLE
CAUSES
CORRECTIVE ACTION
With radio on and all
antenna cables
connected at the radio,
check for 4 - 7 VDC at
antenna end of cable.
No signal
reception. Radio
display shows:
“Antenna
Disconnected”, or
“Acquiring Signal”
Short circuits
or
discontinuities
With radio on and all
antenna cables
connected at the radio,
check for AC voltage at
antenna end of cable;
should be < 1 VAC. If AC
voltage is found, check
for ground loops.
Ensure proper cable type
and length(s) per the
illustrations on page 2.
Antenna is
connected
properly but
signal is too
weak for
reception.
Ensure amplifiers are
oriented properly with the
output (marked with an
arrow labeled Radio)
oriented towards the
radio.
“Check Antenna”
or “No Signal”
Refer to the instructions
supplied with the antenna
to ensure the antenna is
pointed accurately.
(Continued on following page)
Installation Guide – DOC. 6720A High Gain Line Amplifier: SRD-AMP-1 •5
High Gain Line Amplifier Crestron SRD-AMP-1
SRD-AMP-1 Installation Troubleshooting (Continued)
TROUBLE POSSIBLE
CAUSES
CORRECTIVE ACTION
Limited
reception or
channels
available for XM
and/or SIRIUS
tuners.
Problem with
tuner card.
Ensure that the tuner card
is registered/activated.
Further Inquiries
If you cannot locate specific information or have questions after
reviewing this guide, please take advantage of Crestron's award winning
customer service team by calling Crestron at 1-888-CRESTRON
[1-888-273-7876].
You can also log onto the online help section of the Crestron website
(www.crestron.com/onlinehelp) to ask questions about Crestron products.
First-time users will need to establish a user account to fully benefit from
all available features.
Future Updates
As Crestron improves functions, adds new features and extends the
capabilities of the SRD-AMP-1, additional information may be made
available as manual updates. These updates are solely electronic and
serve as intermediary supplements prior to the release of a complete
technical documentation revision.
Check the Crestron website periodically for manual update availability
and its relevance. Updates are identified as an “Addendum” in the
Download column.
6 •High Gain Line Amplifier: SRD-AMP-1 Installation Guide – DOC. 6720A
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