Specifications
Crestron DigitalMedia™ Design Guide
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CONTENTS
What is Crestron DigitalMedia™? .................................................................................................................................... 1
What is HDMI? ................................................................................................................................................................... 1
Advantages of HDMI versus Analog Interfaces ................................................................................................................ 1
It’s Not Just Cable Length ............................................................................................................................................... 2
Say Goodbye to Analog ................................................................................................................................................... 3
Comparing the Cables .................................................................................................................................................... 3
Topology ........................................................................................................................................................................ 4
EDID ............................................................................................................................................................................... 4
HDCP ............................................................................................................................................................................. 6
Consumer Electronics Control (CEC)................................................................................................................................ 7
Audio .............................................................................................................................................................................. 7
Convergence .................................................................................................................................................................. 8
What About DisplayPort? ................................................................................................................................................ 8
Summary ....................................................................................................................................................................... 8
Crestron DigitalMedia ....................................................................................................................................................... 9
Features of DigitalMedia ................................................................................................................................................. 9
Computer Compatibility ............................................................................................................................................... 9
USB HID Switch ......................................................................................................................................................... 10
EDID Format Management ........................................................................................................................................ 10
QuickSwitch HD™ Technology.................................................................................................................................. 10
HDCP Key Management ............................................................................................................................................ 10
CEC Signal Management ........................................................................................................................................... 10
Built-in Ethernet Switch ............................................................................................................................................ 11
Ethernet on DM ......................................................................................................................................................... 11
Application Diagrams ...................................................................................................................................................... 13
Residential Multi-Room Distribution .............................................................................................................................. 13
Commercial Video Conference Room ............................................................................................................................ 14
Commercial Small Room with Single Display ................................................................................................................ 15
Commercial Conference Room with MPS, QM and DM Components ............................................................................. 16
Digital Signage System ................................................................................................................................................. 17
Multi-Window Processing, Annotation, and DM Switching and Distribution ................................................................... 18
Large-Scale System ..................................................................................................................................................... 19
Design and Install a DigitalMedia System ...................................................................................................................... 20
Step 1: Select the Wiring for Each Run ......................................................................................................................... 20
DigitalMedia Cable .................................................................................................................................................... 21
CresCAT
®
-D .............................................................................................................................................................. 22
DM-CBL-D ................................................................................................................................................................ 22
Fiber Optics .................................................................................................................................................................. 22
CresFiber™ .............................................................................................................................................................. 23
Selecting Third Party Fiber (advanced) ...................................................................................................................... 23
Selecting the Optical Fiber ........................................................................................................................................ 23
Selecting the Jacket Configuration ............................................................................................................................ 24
Wiring Connection ..................................................................................................................................................... 25
Step 2: Select DigitalMedia Equipment ......................................................................................................................... 26
Switcher Chassis ....................................................................................................................................................... 26
DM-MD8X8 ............................................................................................................................................................... 26
DigitalMedia Switcher Input Cards - Local Sources .................................................................................................... 27
DigitalMedia Switcher Input Cards - Remote Sources ................................................................................................ 28