DM-NVX-384C [Crestron Electronics, Inc.]

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DM-NVX-384C

DM NVX® 5K 4x1 AV-over-IP Switcher Card with HDMI® and USB-C® Connectivity

A reliable, high‑performance AV over IP encoder or decoder with a built-in 4x1 HDMI® and USB‑C® input switcher that transports up to 5K video over standard Gigabit Ethernet with no perceptible latency or loss of quality. Supports HDR (High Dynamic Range) and HDCP 2.3 with built‑in scaling and video wall processing, adaptive bit rate, surround sound support, native AES67 transmit and receive capability, USB and KVM routing, and optional fiber connectivity. Provides a secure, scalable 5K signal routing solution for enterprise and campus‑wide content distribution applications.

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The DM‑NVX‑384C is a DM NVX® AV-over-IP encoder/decoder card that occupies one card slot in a DMF‑CI‑8 card chassis. The card is designed to function as either a transmitter or receiver in a high-density rack-mount installation. Capable of handling a network AV installation of any size, the DM‑NVX‑384C includes features such as secure web-based control and management, a scaling HDMI output, video wall processing, an analog audio input or output, native AES67 transmit and receive capability, surround sound audio, support for copper and fiber-optic Ethernet connectivity, and USB 2.0 and KVM integration.^{2, 3, 4}

HDMI® and USB-C® 4x1 Input Switching

The DM‑NVX‑384C includes two HDMI inputs and two USB-C inputs that comprise a 4x1 input switcher. When used as a decoder mounted behind a typical conference room display device, the HDMI input provides a convenient way to connect to a Crestron AirMedia® presentation gateway, video-conferencing codec, or small form factor computer. The USB‑C inputs allow for a DisplayPort™ Alt Mode video connection to laptops that do not feature an HDMI connection. The USB-C inputs also pass USB 2.0 data back and forth from the connected host PC and other DM NVX or DM NUX endpoints.

Switching between the four inputs can be performed automatically using auto-switching mode, programmatically via a control system, or through the web interface.

Real-Time 4K60 Video Distribution
Engineered for demanding conference room and classroom applications, DM NVX technology ensures real-time, full‑motion 4K60 video performance for the presentation of multimedia, videoconferencing, and live camera images. Interactive functions such as gameplay and using a mouse are fluid and natural.

A DM NVX system also provides stability and reliability. Line‑synchronized outputs ensure perfect synchronization of content across multiple displays for applications such as digital signage and video walls. Variable Multicast TTL (Time To Live) enables traversing multiple network routers for optimal flexibility.

Support for 5K Resolutions
The DM‑NVX‑384C introduces support for 5K Ultra-Wide 5120 × 2160 and 5K Super-Wide 5120 × 1440 video resolutions, expanding the DM NVX product family's compatibility with the latest generation of computers, monitors, and displays.

Pixel Perfect Processing Technology
A DM NVX system incorporates Pixel Perfect Processing technology, which provides flawless video transport in all applications. Depending on the operating mode, the DM‑NVX‑384C can encode or decode a video signal to achieve imperceptible end-to-end latency of less than one frame. The image quality of the source is maintained across a 1‑Gigabit network at resolutions up to 5K Ultra-Wide 4:4:4.

Enterprise-Grade Security
Using advanced security features and protocols such as 802.1X authentication, Active Directory® credential management, AES-128 content encryption, PKI authentication, TLS, SSH, and HTTPS, a DM NVX system delivers a true enterprise-grade network AV solution engineered to fulfill demanding IT policies.

Encoder and Decoder Functionality
The DM‑NVX‑384C is configurable to operate as either a network AV encoder or decoder:

As an encoder, the DM‑NVX‑384C allows the HDMI or USB‑C signal of a laptop computer, camera, or other media source to be transmitted over the network to one or many decoders.¹
As a decoder, the DM‑NVX‑384C receives the signal from a DM NVX encoder and feeds it to a display device via the HDMI output. The decoder can quickly and easily switch between multiple encoders on the network alongside a locally connected HDMI or USB-C source.¹

The DM‑NVX‑384C provides a versatile and cost-effective solution for applications that require encoder and decoder operating modes in a single device. The operating mode can be reconfigured dynamically in less than 1 minute via a control system or web browser.

HDMI Output with 5K Scaler
When the DM‑NVX‑384C is configured as a decoder, the HDMI output feeds the decoded signal to the HDMI input of a local display device, switcher, or other equipment. The 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 the DM‑NVX‑384C is configured as an encoder, the HDMI output can be used to feed a local display, confidence monitor, or audio system.^{1, 5}

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

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

7.1 Surround Sound Audio
DM NVX technology 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‑384C can receive both multichannel and 2-channel downmix signals from a DM-NVX-363, DM-NVX-363C, 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.

AES67 and DM NAX® Audio Embedding and De-embedding
AES67 support via native support for Crestron DM NAX® Audio-over-IP technology allows the selected audio source to be transmitted as a 2-channel AES67 source while another AES67 2-channel audio stream is received from a Crestron DM NAX device or other AES67 capable device and combined with the video signal.

In DM NVX encoder mode, the received AES67 audio stream can be output via the local HDMI output, primary AV stream, secondary audio stream, and analog audio output. In DM NVX decoder mode, the AES67 received audio stream can be combined with the video and then output via the HDMI output and analog audio output.

Analog Audio Embedding or De-embedding
An unbalanced stereo analog audio port is included, which can be configured as either an input or output. As an input, the port allows a stereo audio source to be connected and combined with the video signal from the HDMI input or the incoming network video stream. As an output, the port can provide a stereo line-level signal to feed a local sound system or soundbar. The output volume is adjustable via a control system or web browser.⁶

Breakaway Audio
A DM NVX decoder can select and combine separate video and audio signals from two different inputs or even two different encoders. Combining signals from two separate encoders is limited to 2-channel stereo audio.⁷

Copper or Fiber Ethernet Connectivity
The DM‑NVX‑384C includes two RJ-45 1000BASE-T ports (Ethernet ports 1 and 2) and one SFP port (Ethernet port 3). Any Ethernet port can be used to transport video over a Gigabit Ethernet network. When not used to transport network video, ports 1 and 2 can provide network connections for an AirMedia gateway, display device, or other local device. The ports can also be used to daisy-chain multiple endpoints feeding a single-source video wall or individual displays that show the same video image.²

The SFP port enables connection to a fiber-optic network with the use of the appropriate Crestron SFP-1G Series transceiver module (sold separately). A selection of modules is offered to accommodate various multimode and single-mode fiber types.³

A DM NVX system can be deployed on an existing corporate or campus network or on a dedicated network. For information about network requirements and guidelines, refer to the DM NVX AV-over-IP System Design Guide.

USB 2.0 and KVM Integration
DM NVX technology supports the extension of USB signals, which can be switched and routed alongside the AV signal or separately via a control system. USB 2.0 TO HOST and TO DEVICE ports are provided on the DM‑NVX‑384C, allowing a USB mouse, keyboard, or other peripheral device to be connected to a remote endpoint and routed to a computer or other host at the local endpoint. In addition to KVM switch functionality, various types of USB peripherals are supported, including whiteboards, touch screens, game controllers, cameras, mobile devices, headsets, and flash drives.⁸

USB 2.0 data transport can be configured for Layer 2 or Layer 3. Layer 2 supports USB signal extension in point-to-point and multipoint applications. USB signals can be routed from the TO DEVICE ports of up to seven remote DM NVX endpoints to the TO HOST port of a single local DM NVX endpoint. Layer 2 also supports Crestron USB-over-Ethernet devices (DM‑NUX‑L2 or DM‑NUX‑R2, sold separately), which can be used in locations that do not include DM NVX endpoints. USB signals can be routed between DM NVX and DM NUX devices under the management of a control system.

USB 2.0 Layer 3 data transport supports USB signal extension in DM NVX point-to-point applications across VLANs.

Web-Based Setup
Setup of the DM‑NVX‑384C is accomplished by using a web browser. Full control and monitoring of the device is enabled through integration with a control system or with a DM NVX Director® virtual switching appliance.

Streamlined Management Using DM NVX Director® Virtual Switching Appliances
Use of a DM NVX Director® virtual switching appliance (DM‑NVX‑DIR‑80, DM‑NVX‑DIR‑160, or DM‑NVX‑DIR‑ENT) streamlines the entire configuration and control process. A DM NVX Director appliance provides a central point of management and enables the creation of multiple virtual matrix switchers through one easy-to-use web-based portal.

Crestron XiO Cloud® Service Support
The DM‑NVX‑384C is compatible with the Crestron XiO Cloud® service, which is a platform for remotely provisioning, monitoring, and managing Crestron devices across an enterprise or an entire client base. The service enables installers and IT managers to deploy and manage thousands of devices simultaneously. Refer to crestron.com/xiocloud for more information.

High-Density, Card-Based Solution
The DM‑NVX‑384C is designed for installation into a DMF‑CI‑8 card chassis, providing a scalable high-density solution for applications requiring multiple encoders and decoders in one equipment rack.

Refer to the DM NVX feature page for additional design tools and reference documents.

Key Features

Two HDMI® and two USB-C® inputs
4K60 4:4:4 video over standard Gigabit Ethernet, configurable as an encoder or decoder¹
Support for 5K Ultra-Wide (21:9) and Super-Wide (32:9) resolutions
HDR10, HDR10+, and Dolby Vision® video support
Real-time video performance over the network with Pixel Perfect Processing technology
Enterprise-grade security including 802.1X, Active Directory® credential management, TLS, and AES-128
One HDMI output with 5K scaler
Video wall processing
Dynamic text overlay capability
7.1 surround sound audio support
AES67 and analog audio embedding and de-embedding
Copper or fiber Ethernet connectivity
USB 2.0 and KVM signal extension and routing
Device control via CEC
Automatic point-to-point connectivity
Easy setup via built-in web interface
Interoperability with a Crestron 3-Series® or later control system
Streamlined management using DM NVX Director™ virtual switching appliances
Crestron XiO Cloud™ service support
Designed for installation into a DMF‑CI‑8 card chassis

5K performance and HDR support require the use of HDMI cables and couplers with a minimum TMDS bandwidth of 18 Gbps. If 4K60 4:2:0 or 4K30 4:4:4 performance is acceptable, cables and couplers with a minimum bandwidth of 10.2 Gbps may be used. Bandwidth loss is cumulative; therefore, performance may be reduced when inserting multiple cables and couplers inline.
The minimum cable required for DM NVX over 1000BASE-T Ethernet (copper) is unshielded CAT5e. All Ethernet ports on the DM‑NVX‑384C are for connection to an Ethernet network or device. The Ethernet ports cannot be connected to the DM® ports of other Crestron DigitalMedia™ devices.
Use of the SFP port requires the purchase of a Crestron SFP-1G Series transceiver module (sold separately). All Ethernet ports on the DM‑NVX‑384C are for connection to an Ethernet network or device. The Ethernet ports cannot be connected to the DM® ports of other Crestron DigitalMedia™ devices.
The DM-NVX-384C is not currently interoperable with DM NVX Software. Future firmware for DM-NVX-384C and DM NVX Software will add support for compatibility between both platforms.
When the DM‑NVX‑384C is in encoder mode, the HDMI output resolution is matched to the resolution of the encoded source.
The analog audio port can function as an input or output, not both.
Combining audio from one encoder with video from another encoder is possible using the secondary 2-channel audio stream only. Multichannel audio from one encoder cannot be combined with video from another encoder.
The DM‑NVX‑384C can be configured to accept the connection of a USB device or a USB host, not both. Crestron DM NVX products are engineered to deliver maximum compatibility with the widest possible range of USB products. Crestron does not guarantee that all USB products are compatible with DM NVX products. Consult the DM NVX AV-over-IP System Design Guide for USB bandwidth considerations.
The minimum bit rate for 4K60 video is 350 Mbps. A bit rate below 350 Mbps may display a black screen.
In encoder mode, the stream type of the DM‑NVX‑384C must be set by using the web interface or a control system. The default setting is Pixel Perfect Processing for interoperability with DM NVX 4K60 4:4:4 decoders. For interoperability with a DM‑NVX‑D10, DM‑NVX‑D20, or DM‑NVX‑D200 decoder, the stream type of the DM‑NVX‑384C encoder must be set to DM‑NVX‑D10/D20/D200 Series. In addition, the resolution of the encoder must be set so that it does not exceed the maximum resolution of the DM‑NVX‑D10, DM‑NVX‑D20, or DM‑NVX‑D200 decoder.

In decoder mode, the proper stream type of the DM‑NVX‑384C is automatically used. For interoperability with DM NVX 4K60 4:4:4 encoders, Pixel Perfect Processing is automatically used as the stream type of the DM‑NVX‑384C decoder. For interoperability with DM‑NVX‑E10/E20 Series encoders, DM‑NVX‑D10/D20 Series is automatically used as the stream type of the DM‑NVX‑384C decoder.
As an encoder, the DM‑NVX‑384C transmits audio via the secondary 2‑channel stream when it receives a 2-channel stereo input signal via the HDMI or analog input. The DM‑NVX‑384C does not transmit audio via the secondary 2-channel stream when it receives multichannel audio.
3D formats are not supported.
HDMI connections require an appropriate adapter or interface cable to accommodate a DVI or Dual-Mode DisplayPort signal. CBL‑HD‑DVI interface cables are available separately.
USB-C connections require USB-C cables that support DisplayPort Alt Mode video in order to pass video signal. Not all USB-C cables can support DisplayPort Alt Mode video.

This product may be purchased from select authorized Crestron dealers and distributors. To find a dealer or distributor, please contact the Crestron sales representative for your area. A list of sales representatives is available online at www.crestron.com/How-To-Buy/Find-a-Representative or contact us for additional information by visiting www.crestron.com/contact/our-locations for your local contact.

The original language version of this document is U.S. English.

All other languages are a translation of the original document.

The product warranty can be found at www.crestron.com/warranty.

The specific patents that cover Crestron products are listed online at www.crestron.com/legal/patents.

Certain Crestron products contain open source software. For specific information, please visit www.crestron.com/opensource.

Crestron, the Crestron logo, 3-Series, .AV Framework, AirMedia, Crestron Home, DigitalMedia, DM, DM NVX, DM NVX Director, QuickSwitch HD, and XiO Cloud are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Dolby, Dolby Atmos, Dolby Digital, and Dolby Vision are either trademarks or registered trademarks of Dolby Laboratories in the United States and/or other countries. DTS, DTS HD, and DTS:X are either trademarks or registered trademarks of DTS, Inc. 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. Intertek is either a trademark or registered trademark of Intertek Group in the United States and/or other countries. Active Directory is either a trademark or registered trademark of Microsoft Corporation in the United States and/or other countries. USB 2.0 Type-C is either a trademark or registered trademark of USB Implementers Forum, Inc. in the United States and/or other countries. DisplayPort is either a trademark or registered trademark of Video Electronics Standards Association 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. ©2024 Crestron Electronics, Inc.

Encoding/Decoding

Video Codec

Encoder: Pixel Perfect Processing (default) or DM-NVX-D10/D20/D200 Series¹⁰;
Decoder: Pixel Perfect Processing or DM-NVX-D10/D20 Series¹⁰

Video Resolutions

Up to 5120x2880 @30 Hz (5K Wide) or 5120x1440 @60 Hz (5K Super‑Wide);
Up to 4:4:4 color sampling;
HDR10, HDR10+, Dolby Vision, and Deep Color support

Audio Formats

Primary multichannel (up to 8-channel LPCM or encoded HBR 7.1 surround sound), secondary 2-channel LPCM¹¹

Bit Rates

200 to 950 Mbps⁹

Streaming Protocols

RTP, SDP

Container

MPEG-2 transport stream (.ts)

Session Initiation

Multicast via secure RTSP

Copy Protection

HDCP 2.3, AES‑128, PKI

Video

Input Signal Types

HDMI with HDR10, HDR10+, Dolby Vision, Deep Color, and 5K support^1,¹² (Dual‑Mode DisplayPort™ interface and DVI compatible¹³)

DisplayPort over USB-C (DisplayPort Alt Mode)¹⁴ with HDR10, HDR10+, and 5K support

Output Signal Types

HDMI with HDR10, HDR10+, Dolby Vision, Deep Color, and 4K60 4:4:4 support¹ (DVI compatible¹³)

Switcher

4x1 in encoder mode (Two HDMI, Two USB-C), manual or auto-switching, breakaway audio,⁷ Crestron QuickSwitch HD™ technology

5x1 in decoder mode (HDMI, Stream), manual or auto-switching, breakaway audio,⁷ Crestron QuickSwitch HD™ technology

Scaler (Decoder Mode Only)

5K video scaler with motion-adaptive deinterlacing, intelligent frame rate conversion, Deep Color support, HDR10, HDR10+, and Dolby Vision support, widescreen format selection (zoom, stretch, maintain aspect ratio, or 1:1), video wall processing up to 8 wide x 8 high, static or dynamic text overlay

Copy Protection

HDCP 2.3

Maximum Resolutions

Common resolutions are shown in the table below. Custom resolutions are supported at pixel clock rates up to 600 MHz.

Scan Type	Resolution	Frame Rate	Color Sampling	Color Depth
Progressive	5120×2160 5K Ultra-Wide	30 Hz	4:4:4	8 bit
	5120×2160 5K Ultra-Wide*	60 Hz	4:2:0	8 bit
	5120×1440 5K Super-Wide	60 Hz	4:4:4	8 bit
	4096x2160 DCI 4K and 3840x2160 4K UHD	30 Hz	4:4:4	12 bit
		60 Hz	4:2:0	12 bit
		60 Hz	4:2:2	12 bit
		60 Hz	4:4:4	8 bit
	2560x1600 WQXGA Reduced Blanking	60 Hz	4:4:4	12 bit
	2560x1440 WQHD Reduced Blanking	60 Hz	4:4:4	8 bit
	2560x1440 WQHD Reduced Blanking	120 Hz	4:4:4	8 bit
	2560x1080 UWFHD	60 Hz	4:4:4	8 bit
	2048x1152 QWXGA	60 Hz	4:4:4	12 bit
	2048x1080 DCI 2K	60 Hz	4:4:4	12 bit
	1600x1200 UXGA	60 Hz	4:4:4	12 bit
	1920x1200 WUXGA	60 Hz	4:4:4	12 bit
	1920x1080 FHD 1080p	60 Hz	4:4:4	12 bit
		120 Hz	4:4:4	8 bit
		240 Hz	4:4:4	8 bit
Interlaced (Input Only)	1920x1080 HD 1080i	60 Hz	4:4:4	12 bit
*5K Ultra-Wide @60 Hz 4:2:0 is supported as an unscaled pass-through resolution only.

Audio

Input Signal Types

HDMI (Dual-Mode DisplayPort interface compatible¹³), DisplayPort over USB-C (DisplayPort Alt Mode),¹⁴ analog stereo⁶

Output Signal Types

HDMI (multichannel pass-through), analog stereo (2-channel)

Digital Formats

Dolby 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 Formats

Stereo 2-channel

Analog-to-Digital Conversion

24-bit, 48 kHz

Digital-to-Analog Conversion

24-bit, 48 kHz

AES67 or DM NAX Audio-over-IP

24-bit, 48 kHz

Analog Performance

Frequency 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

Communications

Ethernet

Auto-switching, auto-negotiating, autodiscovery, 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 3-Series or later control system integration

USB

USB 2.0 host or device signal extension and routing, Layer 2 or Layer 3

HDMI

HDCP 2.3, EDID, CEC

USB-C (DisplayPort Alt Mode)¹⁴

HDCP 2.3, EDID, CEC, USB 2.0

DM NVX (via Ethernet)

HDCP 2.3, AES-128 AV content encryption with PKI authentication, RTP, secure RTSP, SDP, ONVIF, IGMPv2, IGMPv3, SMPTE 2022, FEC (Forward Error Correction)

Connectors

USB2 TO DEVICE

(1) USB Type-A connector, female;
USB 2.0 device port;
USB signal extender port for connection to a mouse, keyboard, or other USB 2.0 device;⁸
Available Power: 500mA at 5 VDC

HID TO DEVICE

(1) USB Type-A connector, female;
USB 2.0 device port;
USB signal extender port for connection to a USB HID compliant mouse, keyboard, or other USB HID compliant device;
Available Power: 500mA at 5VDC

Ethernet 1 (LAN)

(1) 8-pin 8P8C connector, female;
100BASE-TX/1000BASE-T Ethernet port²

Ethernet 2 (LAN)

(1) 8-pin 8P8C connector, female;
100BASE‑TX/1000BASE‑T Ethernet port²

Ethernet 3 (1G SFP)

(1) SFP port;
Accepts one Crestron SFP-1G Series transceiver module³

HDMI OUT (eARC)

(1) HDMI Type A connector, female;
HDMI digital video/audio output¹ (DVI compatible¹³)

NOTE: eARC connectivity will be enabled in a future firmware update.

HDMI IN 1

(1) HDMI Type A connector, female;
HDMI digital video/audio input;¹
(DVI and Dual-Mode DisplayPort interface compatible¹³)

HDMI IN 2 (eARC)

(1) HDMI Type A connector, female;
HDMI digital video/audio input;¹
(DVI and Dual-Mode DisplayPort interface compatible¹³)

NOTE: eARC connectivity will be enabled in a future firmware update.

TO HOST DP‑S USB2 (IN 3-4)

(2) USB Type-C® connectors, female;
USB 2.0 host ports;
USB signal extender ports for connection to a computer or other USB 2.0 host;
DisplayPort single stream video inputs¹⁴

AUDIO I/O

(1) 3-pin 3.5 mm detachable terminal block;
Unbalanced stereo line-level audio input or output;⁶
Input Impedance: 24 kΩ;
Maximum Input Level: 2Vrms;
Output Impedance: 100 Ω;
Maximum Output Level: 2Vrms

Controls and Indicators

(1) Green LED, indicates an online connection to a control system via Ethernet

(1) Green LED, indicates unit is in encoder (transmitter) mode

(1) Green LED, indicates unit is in decoder (receiver) mode

Ethernet 1-3

(2) LEDs per port;
Green indicates Ethernet link status;
Amber indicates Ethernet activity

HDMI OUT

(1) Green LED, indicates video signal transmission at the HDMI output

HDMI IN 1-2

(2) Green LEDs, indicates sync detection at the HDMI inputs

Environmental

Temperature

32° to 104°F (0° to 40°C)

Humidity

10% to 90% RH (noncondensing)

Construction

Plug-in card, occupies (1) card slot in a DMF‑CI‑8 card chassis, includes metal faceplate

Weight

1.2 lb (0.54 kg)

Compliance

Regulatory Model: M202234002

FCC Part 15 Class B, IC Class B, CE, Intertek® Listed for US and Canada

Click here to search product certificates.

5K performance and HDR support require the use of HDMI cables and couplers with a minimum TMDS bandwidth of 18 Gbps. If 4K60 4:2:0 or 4K30 4:4:4 performance is acceptable, cables and couplers with a minimum bandwidth of 10.2 Gbps may be used. Bandwidth loss is cumulative; therefore, performance may be reduced when inserting multiple cables and couplers inline.
The minimum cable required for DM NVX over 1000BASE-T Ethernet (copper) is unshielded CAT5e. All Ethernet ports on the DM‑NVX‑384C are for connection to an Ethernet network or device. The Ethernet ports cannot be connected to the DM® ports of other Crestron DigitalMedia™ devices.
Use of the SFP port requires the purchase of a Crestron SFP-1G Series transceiver module (sold separately). All Ethernet ports on the DM‑NVX‑384C are for connection to an Ethernet network or device. The Ethernet ports cannot be connected to the DM® ports of other Crestron DigitalMedia™ devices.
The DM-NVX-384C is not currently interoperable with DM NVX Software. Future firmware for DM-NVX-384C and DM NVX Software will add support for compatibility between both platforms.
When the DM‑NVX‑384C is in encoder mode, the HDMI output resolution is matched to the resolution of the encoded source.
The analog audio port can function as an input or output, not both.
Combining audio from one encoder with video from another encoder is possible using the secondary 2-channel audio stream only. Multichannel audio from one encoder cannot be combined with video from another encoder.
The DM‑NVX‑384C can be configured to accept the connection of a USB device or a USB host, not both. Crestron DM NVX products are engineered to deliver maximum compatibility with the widest possible range of USB products. Crestron does not guarantee that all USB products are compatible with DM NVX products. Consult the DM NVX AV-over-IP System Design Guide for USB bandwidth considerations.
The minimum bit rate for 4K60 video is 350 Mbps. A bit rate below 350 Mbps may display a black screen.
In encoder mode, the stream type of the DM‑NVX‑384C must be set by using the web interface or a control system. The default setting is Pixel Perfect Processing for interoperability with DM NVX 4K60 4:4:4 decoders. For interoperability with a DM‑NVX‑D10, DM‑NVX‑D20, or DM‑NVX‑D200 decoder, the stream type of the DM‑NVX‑384C encoder must be set to DM‑NVX‑D10/D20/D200 Series. In addition, the resolution of the encoder must be set so that it does not exceed the maximum resolution of the DM‑NVX‑D10, DM‑NVX‑D20, or DM‑NVX‑D200 decoder.

In decoder mode, the proper stream type of the DM‑NVX‑384C is automatically used. For interoperability with DM NVX 4K60 4:4:4 encoders, Pixel Perfect Processing is automatically used as the stream type of the DM‑NVX‑384C decoder. For interoperability with DM‑NVX‑E10/E20 Series encoders, DM‑NVX‑D10/D20 Series is automatically used as the stream type of the DM‑NVX‑384C decoder.
As an encoder, the DM‑NVX‑384C transmits audio via the secondary 2‑channel stream when it receives a 2-channel stereo input signal via the HDMI or analog input. The DM‑NVX‑384C does not transmit audio via the secondary 2-channel stream when it receives multichannel audio.
3D formats are not supported.
HDMI connections require an appropriate adapter or interface cable to accommodate a DVI or Dual-Mode DisplayPort signal. CBL‑HD‑DVI interface cables are available separately.
USB-C connections require USB-C cables that support DisplayPort Alt Mode video in order to pass video signal. Not all USB-C cables can support DisplayPort Alt Mode video.