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DM-TX-401-C

DigitalMedia 8G+™ Transmitter 401

Provides a versatile interface for HDMI®, DisplayPort, VGA, and analog video sources as part of a complete DigitalMedia™ System. Connects to the DM 8G+™ input of a DM® Switcher or Receiver via CAT5e or DM 8G® Cable. Includes a USB HID mouse/keyboard port and 10/100 Ethernet port.

The DM-TX-401-C provides a versatile, rack-mountable[1] interface for computers and high-definition AV sources as part of a complete Crestron® DigitalMedia™ system. It functions as a DM 8G+™ transmitter and switcher, providing DisplayPort, HDMI®, VGA, composite video, and analog audio inputs. It also functions as a control module, providing RS-232 and IR control ports, plus Ethernet and USB HID ports for a total connectivity solution. In addition to DM 8G+, it is also compatible with HDBaseT®, allowing it to be connected directly to the input of an HDBaseT certified display device. It connects to the head end or display location using a single CAT type twisted pair cable.[2]

Installed in a stationary podium or equipment rack, the DM-TX-401-C offers an ideal solution for integrating rack-mounted sources, switchers, and AV receivers into the DigitalMedia system. As a portable interface, or mounted in a movable lectern or AV cart, it affords a simple means for connecting mobile devices, computers, cameras, and other "BYOD" sources. In a conference center or auditorium, a portable DM-TX-401-C can be connected to the system as needed through wall plates and floor boxes, requiring just a single DM 8G+ jack (MP-WP181-C or MPI-WP181-C) at each location.

DigitalMedia 8G+™
As the leader in HDMI and control system technologies, Crestron developed DigitalMedia (DM®) to deliver the first complete HD AV distribution system to take HDMI to a higher level. DigitalMedia allows virtually any mix of HDMI and other AV sources to be distributed throughout a home, office, school, or virtually any other facility. The latest generation of DM is called DigitalMedia 8G™ (DM 8G®). Engineered for ultra high-bandwidth and ultimate scalability, DM 8G provides a true one-wire lossless transport for moving high-definition video, audio, Ethernet, and control signals over a choice of low-cost twisted pair or fiber optic cable.

DM 8G over twisted pair copper wire is called DigitalMedia 8G+ (DM 8G+). DM 8G+ handles uncompressed Full HD 1080p video signals with support for 3D, Deep Color, and HDCP, as well as computer signals up to WUXGA. Audio capabilities include support for high-bitrate 7.1 audio formats like Dolby® TrueHD and DTS-HD Master Audio™ as well as uncompressed linear PCM. All signals are transported over a single CAT type cable, supporting distances up to 330 feet (100 m) using Crestron DM 8G Cable or CAT5e.[1]

HDBaseT® Certified
Crestron DigitalMedia 8G+ technology is designed using HDBaseT Alliance specifications, ensuring interoperability with other HDBaseT certified products. Via its DM 8G+ output, the DM-TX-401-C can be connected directly to an HDBaseT compliant device without requiring a DM receiver. HDBaseT connectivity through the DM-TX-401-C converges uncompressed full HD digital video, audio, Ethernet, power and control signals through a single CAT5e or CAT6 cable.[2]

Multimedia Computer/AV Interface
The DM-TX-401-C provides simple switching among four inputs. Inputs can be selected manually from the front panel, programmatically through a Crestron control system, or automatically by simply connecting a source to one of the inputs. Inputs include:

  • DisplayPort — Accommodates Apple® laptops and other computers with this type of interface.[3]
  • HDMI — Provides a digital multimedia input for mobile devices, computers, and AV sources with resolutions up to HD 1080p60 and WUXGA. Also handles DVI signals using an appropriate adapter or interface cable[4].
  • PC — This VGA type input handles analog RGB signals up to WUXGA 1920x1200 pixels, as well as component video up to 1080p60[5]. A 1/8" (3.5mm) stereo audio input is included to accommodate the analog audio signal from an unbalanced line-level source or headphone output.
  • Video — Accepts the connection of an NTSC or PAL composite video source with stereo unbalanced line-level audio.

Note: Audio breakaway capability enables either of the two analog audio inputs to be used with any video input.

A single cable connects the DM-TX-401-C to a DM switcher or receiver, or to an HDBaseT device, transporting video, audio, control, networking, and power signals all through one simple RJ45 connection.[2,6] Used with a single DM 8G+ Receiver/Room Controller and optional Crestron control system, the DM-TX-401-C affords a simple solution for extending a computer or AV signal to a single display. As part of a larger system using a DM-MD series switcher, multiple DM-TX-401-Cs may be deployed to enable the distribution of several sources at different locations to feed multiple displays throughout any room or larger facility.

Advanced Analog Video Processing
Via the PC and Video inputs, the DM-TX-401-C employs advanced analog video processing with anti-aliasing and 3D comb filtering to ensure the reliable distribution of analog VGA and video sources. Built-in time base correction is also included to ensure optimal results for use with video tape players.

LAN Connectivity
Along with high-definition AV and control, DigitalMedia also integrates high-speed Ethernet networking for a total signal distribution solution. The DM-TX-401-C includes a 10/100 Ethernet port, providing a convenient LAN connection for a local network device.

Embedded Device Control
The primary objective of every Crestron system is to enable precisely the control desired for a seamless user experience. The DM-TX-401-C includes built-in IR, RS-232, and Ethernet control ports to allow programmable control of the devices connected to it. But, it can also provide an alternative to such conventional control methods by harnessing the CEC (Consumer Electronics Control) signal embedded in HDMI. Through its connection to the control system, the DM-TX-401-C provides a gateway for controlling the connected source device right through the HDMI connection, potentially eliminating the need for any dedicated control wires or IR emitters.

USB Extender
The DM-TX-401-C functions as a keyboard/mouse extender, allowing a USB HID-compliant keyboard and/or mouse to be connected to the front panel and used to control a computer or other component located at the central equipment rack or some other location. Expanded USB signal routing capability is available using Crestron USB over Ethernet Extenders[7].

Rack-Mountable Enclosure
The DM-TX-401-C is housed in a compact metal enclosure that can be placed on a shelf, or mounted in a 19” equipment rack using the optional ST-RMK rack mount kit[1]. Its half-width form factor allows it to fit in a single rack-space alongside a second transmitter or other half-width Crestron device. The unit can be powered using the wall mount power pack (included), or via PoDM (Power over DigitalMedia) for a true one-wire solution[6]. An array of controls and indicators is provided for easy setup and troubleshooting.

Please refer to the DigitalMedia Resources Webpage at http://www.crestron.com/dmresources/ for additional design tools and reference documents.

Key Features

  • DigitalMedia 8G+™ transmitter and multimedia interface
  • Built-in 4x1 AV switcher with front panel input selection, auto-switching, and analog audio-breakaway
  • QuickSwitch HD® technology achieves fast, reliable switching
  • Connects to a DM® switcher or receiver over a single CAT type twisted pair cable [2]
  • Supports cable lengths up to 330 ft (100 m) using DM 8G® cable or CAT5e [2]
  • HDBaseT® Certified — Enables direct connection to other HDBaseT certified equipment
  • Provides DisplayPort, HDMI®, RGB/component, and composite video inputs [3,5]
  • Also supports DVI sources [4]
  • Handles video resolutions up to Full HD 1080p
  • Handles computer resolutions up to WUXGA
  • Handles 3D video and Deep Color
  • Handles Dolby® TrueHD, DTS-HD®, and uncompressed 7.1 linear PCM audio
  • HDCP compliant
  • Includes RCA and mini-TRS stereo analog audio inputs
  • Detects and reports detailed video and audio input information
  • Performs automatic AV signal format management via EDID
  • Includes advanced analog video processing and time base correction
  • Provides a 10/100 Ethernet LAN connection
  • Enables device control via CEC, IR, RS-232, and Ethernet
  • Enables USB HID signal extension for a local keyboard/mouse
  • Compatible with Crestron USB over Ethernet Extenders [7]
  • Allows quick, easy setup and diagnostics
  • Single-space, half-width 19-inch rack-mountable [1]
  • Powered via the DM connection or local power pack (included) [6]

Notes:

  1. ST-RMK Rack Mount Kit sold separately.
  2. For DM 8G+ or HDBaseT wiring, use Crestron DM-CBL-8G DigitalMedia 8G Cable, Crestron DM-CBL DigitalMedia Cable, Crestron DM-CBL-D DigitalMedia D Cable, or third-party CAT5e (or better) UTP or STP. Maximum wire length for DM 8G+ is 330 ft (100 m) between devices. Shielded cable and connectors are recommended to safeguard against unpredictable environmental electrical noise which may impact performance at resolutions above 1080p. Refer to the Crestron DigitalMedia Design Guide, Doc. #4546 for complete system design guidelines. DM 8G+ is compatible with HDBaseT Alliance specifications for connecting to HDBaseT compliant equipment. All wire and cables are sold separately.
  3. The DisplayPort input only supports native DisplayPort signals. To connect an HDMI source to this input, an active HDMI-to-DisplayPort converter must be used.
  4. The HDMI input requires an appropriate adapter or interface cable to accommodate a DVI signal. CBL-HD-DVI interface cables are available separately.
  5. The PC/RGB/VGA input can actually accept component, composite, and S-Video signals through an appropriate adapter (not included), or via direct interface to Crestron MPS Series products. However, input sync detection is not provided for composite or S-Video signal types through this connection.
  6. Receiving Power over DM (PoDM) or Power over HDBaseT (PoH) requires connection to a switcher or other equipment that has a PoDM or PoH PSE (Power Sourcing Equipment) port. Any wiring that is connected to a PoDM or PoH PSE port is for intra-building use only and should not be connected to a line that runs outside of the building in which the PSE is located.
  7. Compatible with Crestron USB-EXT-DM-LOCAL and USB-EXT-DM-REMOTE USB over Ethernet Extender modules, sold separately.
  8. References to the IEEE 802.3af and 802.3at standards are used to demonstrate that PoDM and PoH technology is similar in function to PoE and follows the same essential specifications. The DM-TX-401-C cannot be powered over Ethernet, and its DM OUT port should not be connected directly to an Ethernet network or device.

This product may be purchased from an authorized Crestron dealer. To find a dealer, please contact the Crestron sales representative for your area. A list of sales representatives is available online at www.crestron.com/salesreps or by calling 800-237-2041.

The specific patents that cover Crestron products are listed online at: patents.crestron.com.

Crestron, the Crestron logo, DigitalMedia, DigitalMedia 8G+, DM, DM 8G, DM 8G+, and QuickSwitch HD are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Apple is either a trademark or registered trademark of Apple Inc. in the United States and/or other countries. Dolby and Dolby Digital are either trademarks or registered trademarks of Dolby Laboratories in the United States and/or other countries. DTS, DTS-HD, and DTS-HD Master Audio are either trademarks or registered trademarks of DTS, Inc. in the United States and/or other countries. HDBaseT and the HDBaseT Alliance logo are either trademarks or registered trademarks of the HDBaseT Alliance in the United States and/or other countries. HDMI and the HDMI Logo are either trademarks or registered trademarks of HDMI Licensing LLC in the United States and/or other countries. Other trademarks, registered trademarks, and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography. Specifications are subject to change without notice. ©2014 Crestron Electronics, Inc.

Last Updated: Sep 23, 2014

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All brand names, product names and trademarks are the property of their respective owners. Certain trademarks, registered trademarks, and trade names may be used to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography.

©2014 Crestron Electronics, Inc.