Crestron DM NVX Series Design Manual
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Crestron DM NVX Series Design Manual

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DM NVX™ System
Design Guide
Crestron Electronics, Inc.

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Summary of Contents for Crestron DM NVX Series

  • Page 1 DM NVX™ System Design Guide Crestron Electronics, Inc.
  • Page 2 Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography.

  • Page 3: Table Of Contents

    System Installation ........................25 Endpoint Installation ..........................25 Network Installation ..........................27 Crestron Service Provider Handoff ...................... 28 Case Studies ..........................29 Case Study 1: Community College 4K AV Distribution Network ........... 29 Case Study 2: 4K Residential AV Distribution Network ..............31 Case Study 3: 4K AV Distribution over Fiber ..................

  • Page 5: Introduction

    Introduction A Crestron® DM NVX™ system is a digital video and audio distribution system that switches 4K video sources and displays at 60 frames per second (fps) with full 4:4:4 color sampling and High Dynamic Range (HDR) video support. Using standard 1-Gigabit Ethernet infrastructure, a DM NVX system provides a highly flexible, cost-effective, and infinitely scalable network AV solution.

  • Page 6: System Design

    System Design The following sections provide design information related to DM NVX endpoints and the network. Endpoint Design A DM NVX system is composed of one or more encoder endpoints and one or more decoder endpoints. Additional components of a DM NVX system include the DM NVX Director virtual switching appliances and SFP (Single Form-factor Pluggable) transceiver modules.
  • Page 7 DM-NVX-352 Front and Rear Views DM-NVX-E30 Front and Rear Views DM-NVX-D30 Front and Rear Views Chassis-Based Cards Chassis-based cards consist of the following models: DM-NVX-35xC Series encoders/decoders (DM-NVX-350C, DM-NVX-351C, and • DM-NVX-352C) DM-NVX-E30C encoder • DM-NVX-D30C decoder • Design Guide – DOC. 7977F DM NVX System •...
  • Page 8 DM-NVX-350C and DM-NVX-351C DM-NVX-352C DM-NVX-E30C DM-NVX-D30C 4 • DM NVX System Design Guide – DOC. 7977F...
  • Page 9 Input Selection — — — — Deep Color HDR10 Video Timeout — — — — Control Crestron® QuickSwitch HD™ On-Screen Display — — Basic Text Overlay (Continued on following page) Design Guide – DOC. 7977F DM NVX System • 5...
  • Page 10 DM NVX Endpoints (Continued) FEATURE DM-NVX-350 DM-NVX-350C DM-NVX-351 DM-NVX-351C DM-NVX-352 DM-NVX-352C DM-NVX-E30 DM-NVX-E30C DM-NVX-D30 DM-NVX-D30C Audio Inputs 2 x HDMI, 2 x HDMI, 2 x HDMI, 2 x HDMI, 2 x HDMI, 2 x HDMI, 1 x HDMI 1 x HDMI 1 x DM NVX 1 x DM NVX 1 x DM NVX...
  • Page 11 Custom TS Port — — Control Bitrate Default — — Value (Mbps) Custom Bit Rate — — Control Crestron Yes (default) Yes (default) Yes (default) Yes (default) Yes (default) Yes (default) Yes (default) Yes (default) Yes (default) Yes (default) Auto-Initiation...
  • Page 12 Credential Management Crestron Control Crestron XiO Cloud™ Service DM NVX Director™ .AV Framework™ Platform SIMPL Windows SIMPL # Pro Crestron Studio® Software Crestron Home OS Auto Update Support VC-4 Series USB 2.0 — — — — USB-EXT-DM — — —...
  • Page 13 DM NVX Endpoints (Continued) FEATURE DM-NVX-350 DM-NVX-350C DM-NVX-351 DM-NVX-351C DM-NVX-352 DM-NVX-352C DM-NVX-E30 DM-NVX-E30C DM-NVX-D30 DM-NVX-D30C Power Power over UPOE — UPOE — UPOE — PoE+ — PoE+ — Ethernet (UPOE/PoE+) 24 VDC 2.0 A — — — — — 3.5 mm Barrel Connector DMF-CI-8 —...
  • Page 14 DM NVX Endpoints (Continued) FEATURE DM-NVX-350 DM-NVX-350C DM-NVX-351 DM-NVX-351C DM-NVX-352 DM-NVX-352C DM-NVX-E30 DM-NVX-E30C DM-NVX-D30 DM-NVX-D30C Other Firmware Upgrade Capability Restore Default Settings Capability Reboot Capability Simple Network Time Protocol (SNTP) 1. A DVI or Dual-Mode DisplayPort™ interface is supported via an HDMI input using a suitable adapter or interface cable. (CBL-HD-DVI interface cables are available separately.) 2.

  • Page 15: Dm Nvx Director Virtual Switching Appliances

    DM NVX Director Virtual Switching Appliances A DM NVX Director virtual switching appliance emulates the functionality of the traditional hardware-based matrix switcher (for example, the DM-MD8X8-CPU3). The virtual switching appliance allows comprehensive system configuration, management, and signal routing of a DM NVX system. The DM NVX Director web interface allows automatic discovery of each DM NVX endpoint on the network and the assignment of each endpoint to a domain.

  • Page 16: Sfp-1G And Sfp-10G Transceiver Modules

    DM-NVX-DIR-ENT 1,000 SFP-1G and SFP-10G Transceiver Modules Crestron SFP-1G and SFP-10G transceiver modules provide fiber connectivity, which offers greater transmission distances than traditional copper. SFP-1G modules can be used with the DM NVX endpoints and DM-NVX-DIR-ENT. SFP-10G modules can be used with the DM-NVX-DIR-ENT only.

  • Page 17: Endpoint Bandwidth Design And Management

    For each endpoint and for the DM-NVX-DIR-ENT, the connectivity options and the distance requirements determine the appropriate module that is to be used. SFP-10G Modules Available SFP-10G modules for the DM-NVX-DIR-ENT consist of the following: SFP-10G-SR: 850 nm multimode fiber connections up to 300 m (1000 ft) over •...
  • Page 18 Example of Bidirectional Bandwidth under 1 Gbps USB camera HDMI HDMI Laptop DM NVX™ DM NVX Display encoder decoder Video 900 Mbps USB 480 Mbps An encoder that attempts to send 900 Mbps video and 480 Mbps USB 2.0 traffic exceeds the maximum network link bandwidth of 1 Gbps and, as a result, the link will fail.

  • Page 19: Endpoint Design Considerations

    The DM NVX surface-mountable endpoints provide IR and serial ports to control • in-room devices. Use a Crestron control processor such as a PRO3 or AV3 in a design that uses IR and serial ports or in a design that requires relay I/O or Cresnet®...

  • Page 20: Network Design

    In many DM NVX installations, configure specific control surfaces (such as • Crestron touch screens) and additional switch options (such as local HDMI switches) at endpoints. Network Design DM NVX systems require a designed and provisioned Ethernet network to function correctly.
  • Page 21 A DM NVX device can have up to three addresses: The first address is required for control of the device and access to the web • configuration interface and console. Two additional addresses are required for multicast streams: one address for •...

  • Page 22: Network Topologies

    Network Topologies Connect devices such as control processors, touch screens, servers, personal computing devices, and DM NVX endpoints directly to network switches. In a large network with multiple layers of switch hierarchy, situate these devices at the network’s edge. The network edge switches are often connected via uplinks to other switches and routers.
  • Page 23 Tree Topology Using Nonblocking Switches on a Core Network Network switch DM-XIO-DIR-ENT Network switch Network switch Network switch DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX Daisy Chain Daisy chaining is appropriate for specific deployment applications such as video walls or...

  • Page 24: Network Multicast Functionality

    Daisy Chain Network Configuration for 12-Person Jury Box DM-XIO-DIR-160 HDMI HDMI HDMI Display Display Display HDMI DM NVX DM NVX DM NVX DM NVX Network switch Laptop DM NVX DM NVX DM NVX HDMI HDMI HDMI Display Display Display Due to limited bandwidth for audio and video, a USB host or device on a daisy chained endpoint is not recommended.
  • Page 25 In order for the network switch to know where route limiting is implemented in the network for multicast traffic, an IGMP querier must be enabled. In most instances, a single network switch is selected by address to act as the IGMP querier; however, if multiple switches are configured as queriers, the switch with the lowest numerical IP address on the network is typically the default.

  • Page 26: Network Security

    PIM Multicast Routing Protocol for an IP Network VLAN DM-XIO-DIR-ENT Network switch (PIM enabled) VLAN VLAN VLAN Network switch Network switch Network switch DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX DM NVX...

  • Page 27: Network Design Considerations

    For additional information about deploying security with Crestron products, refer to the IP Considerations Guidelines for the IT Professional Design Guide (Doc. 4579) at www.crestron.com/manuals and to Answer ID 5571 in the Online Help section of the Crestron website (www.crestron.com/onlinehelp).
  • Page 28 Disable IGMP proxy functionality on Crestron control processors with routers to • ensure that DM NVX multicast traffic does not interfere with the control processor.

  • Page 29: System Installation

    Requirement for serial or IR control or both • A Crestron touch screen can be linked through a spare LAN port on an endpoint. An audio input/output port can be repurposed to be a balanced line input for external analog audio input or for line output to a speaker system at the endpoint.
  • Page 30 Crestron website.) Serial and IR interfaces are not provided by card-based endpoints. The functionality must be provided by other means, such as through a local Crestron control processor on the DM NVX network. For a maintenance-free installation, follow these guidelines: While taking into account cable distances, plan the optimum location for the •...

  • Page 31: Network Installation

    33 ft (10 m) to connect between patch panels. Use cable testers to verify the integrity of the installation and capacity for future expansion and backup. Use Crestron switch configuration files. • Configure the routing of external servers. If nondedicated DHCP, RADIUS, •...

  • Page 32: Crestron Service Provider Handoff

    Crestron Service Provider Handoff Consult the Crestron Service Providers (CSPs) once the DM NVX network and endpoints are installed and interconnected. Typical activities of a CSP in a DM NVX installation may include the following: Writing appropriate control programs for controllers on the network •...

  • Page 33: Case Studies

    Using a star network topology, any source can be routed to any destination. • The system can be controlled via the Crestron App for mobile and tablet devices. • A Crestron CP3N control processor is installed in the MDF closet to provide •...
  • Page 34 Case Study 1 Solution Diagram HDMI Serial HDMI DM-NVX-350 Laptop DM-NVX-350 Display DM-XIO-DIR-160 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● HDMI ● ● ● ● ● ● DM-NVX-350 Network switch ●...

  • Page 35: Case Study 2: 4K Residential Av Distribution Network

    Existing network infrastructure can be reused. Solution: The Crestron design is based on the use of DM-NVX-350C cards as encoders, • DM-NVX-351 surface-mountable endpoints as decoders, and the...
  • Page 36 Using a star network topology, any source can be routed to any destination. • A Crestron specified network switch is used. The network switch has enough • ports for seven video source endpoints and five video display endpoints. In addition, the network switch can be reconfigured to support future expansion for newer sources.

  • Page 37: Case Study 3: 4K Av Distribution Over Fiber

    The DM-NVX-DIR-ENT is used to set up, control, and monitor the DM NVX system. A Crestron PRO3 control processor is used in each of the 10 locations. • A TSW-760 touch screen is used in each of the 18 rooms across 10 locations, •...
  • Page 38 Four of the 22 DM-NVX-350 decoders in each of the 10 locations are daisy • chained to connect the decoders in the video wall rooms. The 3-port switch of the DM NVX endpoints consists of the following connections: SFP-1G-BX-U connection to the edge switch RJ-45 connection used in the daisy chain to connect the other video wall endpoints RJ-45 connection to the TSW-760 touch screen for video wall room control...

  • Page 39: Glossary

    Glossary 802.1P: A network quality of service labeling protocol that assigns a number from zero to seven to determine network traffic priority; defined in IEEE 802.1P-1998 802.1Q: A network protocol that allows for VLANs and tagging of VLAN traffic and enables 802.1P to provide quality of service features;...
  • Page 40 Internet Group Management Protocol (IGMP): A network protocol that allows multicast traffic to pass over adjacent routers on an IPv4 network; defined in IETF RFC 2236 for v2, and IETF RFC 3376 and IETF RFC 4604 for v3 Internet Protocol (IP): A communications protocol that relays information across network boundaries between addresses;...
  • Page 41 Remote Authentication Dial-in User Service (RADIUS): A network protocol that provides authentication, authorization, and accounting for network devices and users in a secure way, especially for IEEE 802. 1x protocol, and deployed in a client-server model; defined in IETF RFC 2865 and IETF RFC 2866 Request For Comments (RFC): A standards publication from the IETF Real-time Transport Protocol (RTP): A network protocol for the actual delivery of audio and video streaming media;...
  • Page 42 Crestron Electronics, Inc. Design Guide – DOC. 7977F 15 Volvo Drive, Rockleigh, NJ 07647 (2048398) Tel: 888.CRESTRON 05.19 Fax: 201.767.7576 Specifications are subject to www.crestron.com change without notice.

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