Extron electronic manual VN-Matrix 325 Serial Digital Over IP Codec Introduction

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Each VNC 325 codec has an integrated web interface. One codec in the VN-Matrix system must be designated as the system controller, and the controller can be any unit in the system, whether it is configured as an encoder or decoder. All normal system configuration and control is via the web interface of the designated controller. Using a computer on the same network and a standard web browser, such as Mozilla® Firefox® or Microsoft® Internet Explorer®, you can configure any VNC 325 unit in the system.

Video signals that are connected to a VNC 325 codec that is configured as an encoder are compressed into a data stream for transport across a local area or wide area network. At the far end of the network, one or more VNC 325 codecs configured as decoders decode the compressed stream back into the original video signal format.

The VNC 325 that is configured as an encoder accepts audio that is embedded in the input video and that complies with the following SMPTE standards:

•SMPTE 299M — 24-bit digital audio

•SMPTE 272M-A — 20-bit digital audio

The embedded audio groups can be transported with the associated video content. Audio can be sent as received (transparent mode) or as a single stereo pair (stereo mode). Stereo mode results in a lower bit rate and reduces the network load. The VN-Matrix system also supports simple compression of the stereo audio.

A dedicated RS-232 port is available for distributing RS-232 data with the coded/decoded video, such as for control of projector.

A VN-Matrix 325 system is comprised of at least two devices, one configured as an encoder and the other as a decoder. However, multiple encoders and decoders can co-exist on the same network. On a given network, any decoder can display the source provided by any encoder. Figure 1, on the preceding page, shows a basic VN-Matrix 325 system. In this example, either of the two encoder streams can be routed to any or all three decoder units. The configuration of each device, including the source that is displayed at each destination, can be set using any PC or laptop on the same network, using the VN-Matrix 325 web pages. In this example, the codec that is labeled IP Decoder 3 is the system controller.

Source (digital video) data from a VNC 325 encoder can be distributed to multiple decoders and displays (one-to-many) or to a single decoder and display (point-to-point). Video data is transported from the source (encoder) to the display (decoder) using one of three methods:

•Multicast real time protocol (RTP) — One source (encoder) and an infinite number of displays (decoders)

•Unicast RTP — Single source (encoder) to single display (decoder), but it can also be used for up to four displays

•Unicast transport control protocol (TCP) — Single source (encoder) to single display (decoder). This method should be used only for single point-to-point transfer of data.

Each method, with its advantages and disadvantages and a sample connection diagram, is described in “Data Transport Methods” in the “Installation“ section.

The units are housed in 1U high metal enclosures that can be mounted in any standard 19-inch rack or under furniture with optional mounting kits.

The external 100 VAC to 240 VAC, 50-60 Hz power supply provides worldwide power compatibility.

VN-Matrix 325 Serial Digital Over IP CODEC • Introduction

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Contents VN-Matrix325 Safety Instructions English FCC Class a Notice Conventions Used in this Guide Contents VN-Matrix 325 Serial Digital Over IP Codec Contents About this Guide About the VNC 325 CodecVN-Matrix 325 Serial Digital Over IP Codec Introduction Features Configurable as encoder and decoderTwo levels of operator interface Two RS-232 serial portsVN-Matrix 325 Serial Digital Over IP Codec Introduction Installation Setup Installation and Setup OverviewRear Panel Features VNC 325 FeaturesMounting the Units Planning the System ArchitectureData Transport Methods Multicast RTPUnicast RTP Typical Unicast RTP ApplicationData and Control Routing Unicast TCPExample 1 Switched and isolated network configuration Switched and Isolated Network ConfigurationApplicable Codec Configuration Selections Example 2 Switched and isolated network configuration LAN PortCodec Option LAN Port 1 RJ-45 LAN Port 2 fiber optic Example 3 Routed Network Configuration Routed Network ConfigurationBaud rate Data bits Parity None Stop bits Flow control None Configuring Network SettingsSerial Port Wiring Low-level Network Configuration Configuration Menu Controller IP optionConfiguration Selections Configuration SelectionsIp forwarding Not implemented. Do not change this value LAN Port Specific Options Function CommentsLAN Ports Making Remaining ConnectionsRS-232 Over LAN Port RJ-45 port wiring RJ-45 Connector and Pinout TablesEncoder configuration Video Input, Output, and Loop ConnectionsDecoder configuration Loop BNC connector Not usedConfigure Encoders and Decoders Startup and LoginDevice List Configure the Units as Encoders or Decoders Typical VN-Matrix 325 SystemConfiguring a Codec as a Source or Display Enable multicast streaming Enable multicast streaming Encoder ConfigurationStatus LED Indications and ControlsLAN-1 and LAN-2 LEDs Network Interface Device Mode Device ListDevice Field Removing a device from the networkDevice Typical Device Page for an EncoderLicensed features panel Device summary panelMode Device setup panelConfiguration panel Configuration Page Video Encoder Streams panelConfiguration Page Audio Encoder Name panelANC Audio panel Forward error correction FEC panel Audio Encoder FEC PanelConfiguration Page Colfec and Rowfec Encoders Audio Encoder Streams PanelBandwidth Management Page and Typical Bit Rates FEC Encoder Streams PanelBandwidth management standard controls panel Bandwidth Management Standard Controls PanelAdvanced Controls panel Advanced Controls PanelBandwidth Management Typical Embedded Audio Bit Rates in Transparent Mode Peak flow rateMaximum bit rates Broadcast Contribution Video BitDecoder Display and Configuration Decoder Video Configuration PanelDecoder Streams Configuration Panel Decoder Streams Configuration PanelDecoder Bit Rate and Stream Decoder Bit Rate and StreamRaw Network Statistics Panel Peripherals Page and Serial Port Control Pass-through ControlConfiguring a Serial Pass-through Group Configuring a Serial Pass-through GroupFirmware Upgrade Firmware Upgrade Stages Function Summary Perform onUploading the upgrade to the controller codec UpgradeInstalling the firmware prepare, activate, and commit stages License Accounts Page Passwords and Clock Management Passwords PanelClock Management Panel Controller Licensing PanelAlarms AlarmsFilter settings panel Alarm SourceAlarm Severity Description Critical NoneAlarm list panel Alarm types and descriptionsEncoder Alarm Encoder Alarm Type and Description Action Default SettingsIndicates that there is a valid Alarm Logs Alarm LogSnmp Password Value Simple Network Management ProtocolSnmp Community Value Snmp Trap Destination ValuesSpecifications VideoVideo input and loop through encoder Video processing codecSync genlock decoder Audio input and outputAudio processing Control host ports codecs, decodersNetwork transport GeneralPart Numbers and Accessories Mounting and Power OptionsCodec Part Number and Included Parts Optional SFP ModuleMounting the Codec Tabletop UseMounting kits UL Rack-Mounting Guidelines1280 x 720x480 Test PatternOutput format Extron Warranty
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325 specifications

Extron Electronics has established itself as a key player in the AV technology industry, providing innovative solutions for a wide range of applications. Among their product lineup, the Extron Electronics 225 and 325 series of devices stand out for their advanced features, technologies, and characteristics that cater to both commercial and educational environments.

The Extron 225 and 325 series are designed for seamless integration into various AV systems, offering unparalleled performance and reliability. At the core of these devices is their robust signal processing capability. Both models are equipped with high-performance scalers and switchers that ensure optimal video quality. They support a wide range of resolutions, including 4K, enabling users to connect various sources without compromising image fidelity.

One of the key features of the 225 and 325 series is their versatile connectivity options. These devices come with multiple inputs, including HDMI, VGA, and composite, allowing for the integration of various AV sources. The series also includes configurable outputs, which can be customized according to the specific requirements of the installation. This flexibility is vital in multipurpose spaces where different AV setups are needed.

The technologies embedded in the 225 and 325 series also enhance usability and control. They feature Extron’s integrated control systems, which simplify the operation of entire AV systems. Users benefit from the intuitive user interface, enabling easy switching and management of devices. Additionally, compatibility with third-party control systems allows for seamless integration into existing setups, streamlining operations.

Another noteworthy characteristic is the series’ built-in audio processing capabilities. Both the 225 and 325 models support various audio formats, ensuring high-quality sound output. They also include audio embedding and de-embedding functions, facilitating the integration of audio sources with video signals.

Reliability and durability are hallmarks of the Extron brand, and the 225 and 325 series are no exceptions. Designed for long-term use, these devices undergo rigorous testing to ensure they perform consistently under demanding conditions. Their compact form factor also allows for easy installation in constrained spaces, making them ideal for a variety of environments.

In summary, the Extron Electronics 225 and 325 series deliver top-tier performance, expansive connectivity, and exceptional audio-visual processing capabilities. Their innovative features and robust design make them valuable additions to any AV installation, catering to a wide range of user needs in commercial and educational settings. With Extron’s commitment to quality and user-friendly solutions, the 225 and 325 series stand as testament to their leadership in the AV technology realm.
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