Hdcp Signal Path - Crestron DM-MD8X8 Operation Manual

DigitalMedia™ Switchers
Maximum Cable Lengths
DM
SWITCHER
H = The maximum hop distance between a DM Switcher/ DM-RMC-100 Room Controller and a DM-DR Repeater
T = The maximum total distance from the DM Switcher to the DM-RMC-100 Room Controller
30 DigitalMedia™ Switchers: DM-MD8X8/16X16/32X32
DM-DR
DM
REPEATER
H
For more information on DigitalMedia and other cable products, visit the Crestron
website (http://www.crestron.com/wireoverview).
CresFiber
CresFiber provides for longer distances between the DigitalMedia switcher and a
DigitalMedia Room Controller without the use of repeaters or sacrifice in video
resolution. For more information, refer to the latest revision of the Crestron
DigitalMedia Design Guide (Doc. 4789), which is available for download from the
Crestron website.
The following table lists the maximum cable length of CresFiber.
Maximum Length Using CresFiber
RESOLUTION
720p, 1080i, 1080p24
1024 x 768 @ 75 Hz
1280 x 1024 @ 75 Hz
1600 x 1200 @ 60 Hz
1920 x 1200 @ 60 Hz
1080p60
1080p60 Deep Color
Other fiber optic cable can be used as well.
NOTE: 1080p60 is the most common resolution used in residential installations.
NOTE: Deep color is part of the HDMI specification. It allows devices to transmit
video using 36 bits per pixel instead of 24 bits per pixel. The color depth allows for
4096 shades each of red, green, and blue (instead of 256). Due to bandwidth
requirements and limited support, deep color is not often used.
For more information on CresFiber and other cable products, visit the Crestron
website (http://www.crestron.com/wireoverview).

HDCP Signal Path

Sources using HDCP limit the number of display devices it can transmit to while
simultaneously limiting the depth of devices in the signal path. Too many devices or
Crestron DM-MD8X8/16X16/32X32
DM-DR
DM
REPEATER
H
T
CRESFIBER
1000'
(~300 m)
Operations Guide – DOC. 6755C
DM-RMC-100
DM ROOM
CONTROLLER
H