Crestron DM-DR
™
DigitalMedia
Repeater
Operations & 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 DM-DR DigitalMedia™ Repeater
Contents
DigitalMedia™ Repeater: DM-DR 1
Introduction ...............................................................................................................................1
Features and Functions................................................................................................1
Applications.................................................................................................................2
Specifications ..............................................................................................................3
Physical Description....................................................................................................4
Industry Compliance ...................................................................................................8
Setup..........................................................................................................................................9
Network Wiring...........................................................................................................9
Installation...................................................................................................................9
Hardware Hookup .....................................................................................................11
Uploading and Upgrading........................................................................................................13
Establishing Communication.....................................................................................13
Firmware ...................................................................................................................13
Program Checks ........................................................................................................14
Problem Solving......................................................................................................................15
Troubleshooting.........................................................................................................15
Check Network Wiring..............................................................................................16
Reference Documents................................................................................................17
Further Inquiries........................................................................................................18
Future Updates ..........................................................................................................18
Return and Warranty Policies..................................................................................................19
Merchandise Returns / Repair Service ......................................................................19
CRESTRON Limited Warranty.................................................................................19
Operations & Installation Guide – DOC. 6745A Contents • i
Crestron DM-DR DigitalMedia™ Repeater
DigitalMedia™ Repeater:
DM-DR
Introduction
The DigitalMedia™ (DM) Repeater allows DM cable lengths to be
extended in up to 200 foot increments. Up to three repeaters may be
installed in a single DM cable run to enable cable lengths up to 450 feet.
Refer to the latest version of the Crestron
(Doc. 4789) for more information about DM wiring. It is available from
the Crestron website (
The DM-DR does not simply boost the DM signal, but actually
reproduces a fresh signal to ensure error-free delivery to the following
device. Each DM Repeater mounts to a standard 2-gang, 85mm European
or 4 inch 1900 box electrical box or plaster ring, and extends one inch
(25.4 mm) from the wall surface when mounted.
www.crestron.com/manuals).
®
DigitalMedia Design Guide
Features and Functions
• Extends DigitalMedia or CAT5e/6 cable distance
• Regenerates HDMI signal
• Low-profile design
• Mounts to a 2-gang, European or 4 inch 1900 electrical box
Operations & Installation Guide – DOC. 6745A DigitalMedia
™
Repeater: DM-DR • 1
DigitalMedia™ Repeater Crestron DM-DR
Applications
The following diagram shows a DM-DR in a residential application.
DM-DR in a Residential Application
For more information on this and other DM applications, refer to the
latest revision of the Crestron DigitalMedia Design Guide (Doc. 4789).
2 • DigitalMedia™ Repeater: DM-DR Operations & Installation Guide – DOC. 6745A
Crestron DM-DR DigitalMedia™ Repeater
Specifications
Specifications for the DM-DR are listed in the following table.
DM-DR Specifications
SPECIFICATION DETAILS
Power
DMNet Power Usage 3 watts
(0.13 Amps @ 24 Volts DC)
Environmental
Temperature 41º to 104º F (5º to 40º C)
Humidity 10% to 90% RH
(non-condensing)
Heat Dissipation 10 BTU/Hr
Dimensions
Height 4.92 in (12.48 cm)
Width 5.25 in (13.34 cm)
Depth 1.40 in (3.55 cm)
Operations & Installation Guide – DOC. 6745A DigitalMedia
™
Repeater: DM-DR • 3
DigitalMedia™ Repeater Crestron DM-DR
Physical Description
This section provides information on the connections, controls and
indicators available on your DM-DR.
DM-DR Overall Dimensions (Front and Side Views)
4.92 in
(12.48 cm)
5.25 in
(13.34 cm)
DM-DR Overall Dimensions (Rear View)
1.40 in
(3.55 cm)
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4 • DigitalMedia™ Repeater: DM-DR Operations & Installation Guide – DOC. 6745A
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