DigitalMedia™ 4K60 4:4:4 HDR Network AV Encoder/Decoder

A reliable, high-performance AV over IP encoder or decoder that transports 4K60 4:4:4 video over standard Gigabit Ethernet with no perceptible latency or loss of quality. Supports HDR10 and HDCP 2.2, with built-in scaling and video wall processing, USB and KVM routing, and optional fiber connectivity. Provides a secure, scalable 4K signal routing solution for enterprise and campus-wide content distribution applications.

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    Item #: DM-NVX-350


    DigitalMedia™ NVX technology transports ultra high-definition 4K video with 60 Hz frame rates and 4:4:4 color sampling over standard Gigabit Ethernet. Support for HDR video (HDR10) and HDCP 2.2 ensures the ultimate in picture quality and compatibility for all of today’s varied media sources. Using standards-based Ethernet wiring and switches, DM® NVX delivers a vastly scalable, high-performance solution for enterprise-wide 4K content distribution.[1]

    The Crestron® DM-NVX-350 is a compact video encoder/decoder designed to function as either a transmitter or receiver with the ability to switch between the two modes programmatically via commands from a Crestron control system. Featuring simple web-based control and management, USB and KVM integration, and support for copper and fiber LAN connectivity, the DM-NVX-350 offers a one-stop solution for any-sized network AV installation.[2]

    Real-Time 4K60 Video Distribution
    Engineered for demanding conference room and classroom applications, DM NVX ensures real-time, full-motion 4K60 video performance for the presentation of multimedia, videoconferencing, and live camera images. DM NVX employs high-quality JPEG 2000 encoding using a patent-pending technique that overlaps scaling and encoding latencies, achieving an ultra-low end-to-end latency of 30 ms at 60 fps, so on-screen functions such as mousing and game play are fluid and natural.

    Encoder and Decoder in One
    In a single compact device, the DM-NVX-350 is configurable to operate as either a network AV encoder or decoder.

    • As an encoder, it allows a laptop computer, camera, or other media source to be connected via HDMI® and then transmitted over the network.[1]
    • As a decoder, it receives the signal from a DM NVX encoder and feeds it to a display device via the HDMI output. It can quickly and easily switch between multiple encoders on the network alongside locally-connected HDMI sources.[1]
    • The encoder/decoder mode can be switched on-the-fly via a control system to provide a versatile, cost-effective presentation switching solution using one integrated device.

    2x1 HDMI® Auto-Switcher
    The DM-NVX-350 includes two HDMI inputs. Switching between the two inputs can be performed automatically using auto-switching mode, manually using the onboard input select button, programmatically via a Crestron control system, or through a computer using a web browser. When used as a decoder mounted behind a typical conference room display device, the HDMI inputs provide a convenient way to connect a Crestron AirMedia® presentation gateway.[1]

    HDMI Output
    When configured as a decoder, the DM-NVX-350’s HDMI output feeds the decoded signal to the local display device (or any other device with an HDMI input). Its built-in scaler ensures an optimal image, scaling the encoded source resolution up or down to match the native resolution of the display device. When used as an encoder, the HDMI output can be used to feed a local display, confidence monitor, or audio system.[1,3]

    USB and KVM Integration
    For a complete signal management solution, DM NVX supports the extension of USB signals, which may be switched and routed alongside the AV signal or separately via the control system. USB 2.0 host and device ports are provided on each DM-NVX-350 box, allowing a USB mouse, keyboard, or other device to be connected at one box and routed to a computer or other host at another box. KVM switch functionality is a natural application for this feature, but all types of USB peripherals are supported including whiteboards, touch screens, game controllers, cameras, mobile devices, headsets, and flash drives.[4]

    USB signals can also be routed to other locations where a DM NVX box does not exist using Crestron USB over Ethernet Extender Modules (USB-EXT-DM). USB signals can be freely routed between DM NVX and USB-EXT-DM units over Ethernet under the management of a Crestron control system.

    7.1 Surround Sound Audio
    DM NVX supports the lossless transport of 7.1 surround sound audio signals, including Dolby® TrueHD, Dolby Atmos®, DTS-HD®, DTS:X®, and uncompressed linear PCM. In decoder mode, the DM-NVX-350 has the ability to receive both multichannel and 2-channel downmix signals from a DM-NVX-351 or DM-NVX-351C encoder, allowing either signal to be selected at the HDMI output while the 2-channel signal is automatically routed to the analog output.

    Analog Audio Embedding or De-embedding
    A balanced stereo analog audio port is included, which may be configured as either an input or output. As an input, it allows a stereo audio source to be connected and combined with the video signal from either HDMI input or the incoming network video stream. As an output, it can provide a stereo line-level signal to feed a local sound system or sound bar. The output volume is adjustable via a control system or web browser.[5]

    Breakaway Audio
    A DM NVX decoder may select and combine separate video and audio signals from two different inputs, even two different encoders. There are just two exceptions: A) signals may not be combined between the two onboard HDMI inputs, and B) combining signals from two separate encoders is limited to 2-channel stereo audio.[6,7]

    Text Overlay
    The ability to display dynamic or fixed text on screen provides a means to label the video source or display special instructions, schedules, announcements, alerts, and other messaging.

    Video Wall Processing
    A video wall composed of up to 64 individual displays can be configured using multiple DM-NVX-350 units. Each unit provides fully-adjustable zoom capability and bezel compensation to accommodate a range of video wall configurations and display types. One DM-NVX-350 is required per display, supporting configurations of up to eight wide by up to eight high.

    Copper or Fiber LAN Connectivity
    The DM-NVX-350 includes two RJ45 1000Base-T LAN ports. Either port may be used as the primary LAN connection, allowing the other to be used to provide a network connection for the display, AirMedia gateway, or other local device(s). These ports may also be used to daisy-chain multiple units feeding a single-source video wall or individual displays all showing the same video image. Port 1 is also capable of receiving power from a Crestron power injector (DM-PSU-ULTRA-MIDSPAN).[8]

    Connection to a fiber optic network is facilitated by inserting an appropriate SFP transceiver module (Crestron SFP-1G series [2]) into the SFP port on the DM-NVX-350. A selection of modules is offered to accommodate various multimode and single-mode fiber types.

    Enterprise-Grade Security
    A secure AV network ensures its own reliability by protecting the integrity of the content being delivered and the privacy of the personnel accessing it. Employing advanced security features and protocols like 802.1x authentication, Active Directory credential management, PKI certification, AES encryption, TLS, SSH, and HTTPS, DM NVX delivers a true enterprise-grade network AV solution engineered to fulfill the demanding IT policies of corporate, university, medical, military, and governmental clients. DM NVX runs on a dedicated AV network, with fully-managed access to, or isolation from, the customer’s LAN or the Internet.

    Device Controller
    The DM-NVX-350 includes built-in RS-232 and IR control ports for control of the connected display, camera, and other devices under the management of a control system. Additional control capability is afforded by harnessing the CEC (Consumer Electronics Control) signal embedded in HDMI. Through its Ethernet connection to the control system, the DM-NVX-350 provides a gateway for controlling the display and source devices right through their HDMI connections, potentially eliminating the need for any dedicated serial cables or IR emitters.[9]

    Web-Based Setup
    Setup of the DM-NVX-350 is accomplished using a computer web browser. Full control and monitoring of the device is enabled through integration with a Crestron control system.

    Low-Profile Installation
    The DM-NVX-350 mounts conveniently to a flat surface or rack rail, and fits easily behind a flat panel display, above a ceiling-mounted projector, beneath a tabletop, or inside a lectern, AV cart, or equipment cabinet. All connections and LED indicators are positioned on the top and bottom, offering optimal access and visibility for a clean, serviceable installation. Power is provided using the included 100-240V universal power pack or an optional power injector (Crestron DM-PSU-ULTRA-MIDSPAN).[8]


    Summary Of Features

    • 4K60 4:4:4 video over standard Gigabit Ethernet
    • No latency penalty for real-time video performance
    • HDR (High Dynamic Range) video support (HDR10)
    • Dolby® TrueHD, Dolby Atmos®, DTS-HD®, DTS:X®, and uncompressed 7.1 linear PCM audio support
    • HDCP 2.2 compliant
    • Configurable as an encoder or decoder
    • Dual onboard RJ45 LAN ports
    • Option for a fiber optic network connection via SFP port [2]
    • Enterprise-grade security
    • Two auto-switching HDMI® inputs and one HDMI output [1]
    • Built-in 4K60 4:4:4 scaling
    • Onboard video wall processing
    • Analog audio port configurable as a balanced stereo input or output [5]
    • Analog audio embedding or de-embedding
    • Audio breakaway capability [6,7]
    • Dynamic text overlay capability
    • RS-232 and IR control ports [9]
    • CEC device control gateway [9]
    • USB and KVM signal extension and routing [4]
    • Easy setup via built-in webpages
    • Fully-controllable via a Crestron® control system
    • Compact, surface-mountable form factor
    • Powered via local power pack or optional power injector [8]
    • 100-240V universal power pack included


    Video CompressionJPEG 2000
    Video ResolutionsUp to 4096x2160@60Hz (DCI 4K60), 4:4:4 color sampling, HDR10 & Deep Color support
    Audio FormatsPrimary multichannel (up to 8-channel LPCM or encoded HBR 7.1 surround sound), secondary 2-channel LPCM [11]
    Bitrates100 to 990 Mbps
    Streaming ProtocolsRTP, RTSP, SDP
    ContainerMPEG-2 transport stream (.ts)
    Session InitiationMulticast via RTSP
    Copy ProtectionHDCP 2.2, AES-128, PKI
    Input Signal TypesHDMI w/HDR10, Deep Color, & 4K60 4:4:4 support [1,12] (Dual-Mode DisplayPort & DVI compatible [13])
    Output Signal TypesHDMI w/HDR10, Deep Color, & 4K60 4:4:4 support [1] (DVI compatible [13])
    Switcher3x1 manual or auto-switching, limited audio breakaway [8], Crestron QuickSwitch HD™ technology
    Scaler4K60 4:4:4 video scaler with motion-adaptive deinterlacing, intelligent frame rate conversion, Deep Color support, HDR10 support, widescreen format selection (zoom, stretch, maintain aspect-ratio, or 1:1), video wall processing up to 8 wide x up to 8 high, static or dynamic text overlay
    Copy ProtectionHDCP 2.2

    Maximum Resolutions

    Progressive4096x2160 DCI 4K
    3840x2160 4K UHD
    24 Hz4:4:436 bit
    30 Hz4:4:436 bit
    60 Hz4:2:236 bit
    60 Hz4:4:424 bit
    2560x1600 WQXGA60 Hz4:4:436 bit
    1920x1080 HD 1080p60 Hz4:4:436 bit
    (Input only)
    1920x1080 HD 1080i30 Hz4:4:436 bit

    NOTE: Common resolutions are shown; other custom resolutions are supported at pixel clock rates up to 600 MHz

    Input Signal TypesHDMI (Dual-Mode DisplayPort compatible [13]), analog stereo [7]
    Output Signal TypesHDMI, analog stereo [7]
    Digital FormatsDolby Digital®, Dolby Digital EX, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS®, DTS ES, DTS 96/24, DTS HD High Res, DTS HD Master Audio, DTS:X, LPCM up to 8 channels
    Analog FormatsStereo 2-Channel
    Analog-To-Digital Conversion24-bit 48 kHz
    Digital-To-Analog Conversion24-bit 48 kHz
    Analog PerformanceFrequency Response: 20 Hz to 20 kHz ±0.5 dB;
    S/N Ratio: >95 dB 20 Hz to 20 kHz A-weighted;
    THD+N: <0.005% @ 1 kHz;
    Stereo Separation: >90 dB
    Analog Output Volume Adjustment−80 to +20 dB
    Ethernet10/100/1000 Mbps, auto-switching, auto-negotiating, auto-discovery, full/half duplex, TCP/IP, UDP/IP, CIP, DHCP, SSL, TLS, SSH, SFTP (SSH File Transfer Protocol), IEEE 802.1x, IPv4, Active Directory authentication, variable Multicast TTL, HTTPS web browser setup and control, Crestron control system integration
    USBUSB 2.0 host or device signal extension and routing; USB 2.0 computer console (for setup)
    RS-2322-way device control and monitoring up to 115.2k baud with hardware and software handshaking (via control system); computer console (for setup)
    IR/Serial1-way device control via infrared up to 1.1 MHz or serial TTL/RS-232 (0-5 Volts) up to 19.2k baud (via control system)
    DM NVX (via Ethernet)HDCP 2.2, AES-128 AV content encryption with PKI authentication, RTP, RTSP, SDP, ONVIF, IGMPv2, IGMPv3, SMPTE 2022, FEC (Forward Error Correction)
    NOTE: Supports management of HDCP and EDID; supports management of CEC between the connected HDMI devices and a control system
    USB DEVICE(1) USB Type B connector, female;
    USB 2.0 device port;
    USB signal extender port for connection to a computer or any other USB 2.0 host [5]
    USB HOST(1) USB Type A connector, female;
    USB 2.0 host port;
    USB signal extender port for connection of a mouse, keyboard, or any other USB 2.0 device [5];
    Available Power: 500 mA at 5 Volts DC
    LAN 1(1) 8-pin RJ45 connector, female;
    10Base-T/100Base-TX/1000Base-T Ethernet port [2];
    PD (powered device) port compatible with Crestron DM-PSU-ULTRA-MIDSPAN or approved third-party PSE[9]
    LAN 2(1) 8-pin RJ45 connector, female;
    10Base-T/100Base-TX/1000Base-T Ethernet port [2]
    LAN 3(1) SFP port;
    Accepts one Crestron SFP-1G series SFP transceiver module [3]
    HDMI OUTPUT(1) HDMI Type A connector, female;
    HDMI digital video/audio output (DVI compatible [13]) [1]
    HDMI INPUT 1 – 2(2) HDMI Type A connectors, female;
    HDMI digital video/audio inputs [1];
    (DVI & Dual-Mode DisplayPort compatible [13])
    AUDIO I/O(1) 5-pin 3.5 mm detachable terminal block;
    Balanced/unbalanced stereo line-level audio input or output [7];
    Input Impedance: 24k Ohms balanced/unbalanced;
    Maximum Input Level: 4 Vrms balanced, 2 Vrms unbalanced;
    Output Impedance: 200 Ohms balanced, 100 Ohms unbalanced;
    Maximum Output Level: 4 Vrms balanced, 2 Vrms unbalanced
    CONSOLE, SERIAL(1) 8-pin RJ45 connector, female;
    RS-232 computer console port (for setup)
    CONSOLE, USB(1) USB Type B connector, female;
    USB 2.0 computer console port (for setup)
    IR 1 – 2(1) 4-pin 3.5 mm detachable terminal block;
    Comprises (2) IR/Serial ports [10];
    IR output up to 1.1 MHz;
    1-way serial TTL/RS-232 (0-5 Volts) up to 19200 baud;
    IRP2 emitter sold separately
    COM(1) 5-pin 3.5 mm detachable terminal block;
    Bidirectional RS-232 port [10];
    Up to 115.2k baud, hardware and software handshaking support
    24VDC 2.0A(1) 2.1 x 5.5 mm DC power connector;
    24 Volt DC power input;
    PW-2420RU power pack included
    G(1) 6-32 screw;
    Chassis ground lug
    Controls & Indicators
    TX(1) Green LED, indicates unit is in transmitter (encoder) mode
    RX(1) Green LED, indicates unit is in receiver (decoder) mode
    OL(1) Green LED, indicates an online connection to a control system via Ethernet
    LAN 1 – 2(4) LEDs, green indicates Ethernet link status, amber indicates Ethernet activity
    LAN 3 LNK(1) Green LED, indicates Ethernet link status
    LAN 3 ACT(1) Green LED, indicates Ethernet activity
    HDMI OUTPUT(1) Green LED, indicates video signal transmission at the HDMI output
    HDMI INPUT 1 – 2(2) Green LEDs, each indicates sync detection at the corresponding HDMI input
    PWR(1) Bi-color green/amber LED, indicates operating power supplied via the power pack or injector/PSE, illuminates amber while booting and green when operating
    SETUP(1) Red LED and (1) recessed pushbutton for onscreen IP address display and to change between TX and RX modes
    RESET(1) Recessed pushbutton for hardware reset
    INPUT SEL(1) Pushbutton for manual input selection and (2) bi-color green/amber LEDs to indicate the current active input and signal presence at each corresponding input
    Power Pack (included)Input: 1.5 Amps maximum @ 100-240 Volts AC, 50/60 Hz;
    Output: 2 Amps @ 24 Volts DC;
    Model: PW-2420RU
    Power over LANCompatible with the following PSEs:
    • Crestron DM-PSU-ULTRA-MIDSPAN for 2 DM NVX endpoints;
    • Microsemi® PD-9500G Family Gigabit EEPoE Midspans as follows:
    - PD-9506G for 6 DM NVX endpoints
    - PD-9512G for 10 DM NVX endpoints
    - PD-9524G for 20 DM NVX endpoints
    Power Consumption35 Watts typical
    Temperature32° to 104° F (0° to 40° C)
    Humidity10% to 90% RH (non-condensing)
    Heat Dissipation85 BTU/hr
    Acoustic Noise33 dBA maximum
    ChassisMetal, black finish, integral mounting flanges, fan cooled; vented top, front, bottom, and sides
    MountingFreestanding, surface mount, or attach to a single rack rail
    Height8.61 in (219 mm)
    Width9.27 in (236 mm)
    Depth1.50 in (39 mm)
    2.0 lb (0.91 kg)
    UL Listed for US & Canada, CE, IC, FCC Part 15 Class B digital device