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Wall Plate DigitalMedia™ CAT Transmitters
Use the Right Wire
Calculate Power
34 • Wall Plate DigitalMedia™ CAT Transmitters: DM-TX-200-2G/400-3G
Check Network Wiring
In order to ensure optimum performance over the full range of your installation
topology, Crestron Certified Wire and only Crestron Certified Wire may be used.
Failure to do so may incur additional charges if support is required to identify
performance deficiencies because of using improper wire.
CAUTION: Use only Crestron power supplies for Crestron equipment. Failure to
do so could cause equipment damage or void the Crestron warranty.
CAUTION: Provide sufficient power to the system. Insufficient power can lead to
unpredictable results or damage to the equipment. The EIG connector on the DM
switcher is used to bring in external power. Additional power is rarely required as
switchers provide enough power for their maximum configuration of room
controllers and repeaters. Please use the DMNet Power Calculator to help calculate
how much power is needed for the system (www.crestron.com/calculators).
Refer to the following table for commonly used resolutions and maximum DM-CBL
cable lengths.
Commonly Used Resolutions and Maximum DM Cable Length
RESOLUTION
720p, 1080i, 1080p/24
1024 x 768 @75 Hz
1080p/60
1280 x 1024 @ 75 Hz
1920 x 1200 @ 60 Hz
1600 x 1200 @ 60 Hz
1080p/60 Deep Color
NOTE: 1080p @ 60 Hz is the most common resolution used in residential
installations.
NOTE: All Crestron certified DMNet wiring must consist of two twisted pairs. One
twisted pair is the +24V conductor and the GND conductor and the other twisted pair
is the A conductor and the B conductor.
Crestron DM-TX-200-2G/400-3G
DM-CBL CABLE LENGTH
Maximum length
without, between,
before, or after
repeaters
200 ft (60 m)
200 ft (60 m)
150 ft (45 m)
150 ft (45 m)
150 ft (45 m)
125 ft (38 m)
Not Supported
Operations & Installation Guide – DOC. 6949B
Maximum total
length using up to
2 repeaters
450 ft (137 m)
450 ft (137 m)
450 ft (137 m)
450 ft (137 m)
450 ft (137 m)
375 ft (114 m)
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