Crestron High-Gain Line Amplifier SRD-AMP-1 Manuel utilisateur

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.

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

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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