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  • Model: HDAVEXT-3-MM
  • Manufactured by: NTI

VGA High Density Male to Male + 3.5mm stereo audio connectors, 3 Feet


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The VEEMUX Audio/Video Matrix Switch with Direct-Connect VGA Inputs and CAT5 RJ45 Outputs routes audio/video signals from many computers to multiple displays (projectors, LCD/plasma monitors, etc.) and speakers. It is capable of connecting to as many as 16 video sources directly and 16 video displays via receivers with a maximum extension of 600 feet from the switch using CAT5/5e/6 cable.

A single audio/video output can be routed to one or more destinations. Each image will be as crisp and clear as if directly connect to the original source. Buffered video outputs and digital transmission of audio signals ensures integrity is maintained throughout the system.

Audio/Video Matrix Switch with Direct VGA In & CAT5 Out


  • Configure and control the switch through Ethernet, serial port or front panel buttons.
  • Matrix Control Software with Graphical User Interface (GUI control) is included with the product.
  • Supports video resolutions to 1920x1440.
  • Each input can be independently connected to any or all outputs.
  • Inputs and outputs can be named.
  • Each output provides one video signal and one stereo audio signal.
  • Video quality adjustment is done automatically at every connection change, or can be forced via the front panel or web interface.
  • No loss of audio or video quality between the switch and remote units.
  • Cabling runs are simplified with NTI's high density A/V switch cables.

Technical Specifications

Item Description


  • Female 15-pin HD input connectors.
  • Female RJ45 output connectors.
  • Bandwidth: 175 MHz, fully loaded.
  • 10/100BaseT Ethernet interface.
  • Supported protocols: HTTP, HTTPS, Telnet
  • RS232 interface.
Dimensions WxDxH (in): 19x12x3.5
Power 110 or 220 VAC at 50 or 60 Hz via IEC connector.
  • Interface cables between your computers and the switch are required for proper operation.
  • Use VEXT-xx-MM to connect VGA video from the computers to the switch.
  • Use HDAVEXT-xx-MM to connect VGA video and stereo audio from the computers to the switch.
  • Use CAT5, CAT5e or CAT6 solid straight through cable for TIA/EIA-568B wiring terminated with standard RJ45 connectors.
  • Cables not included
  • Operating temperature: 32?F to 100?F (0?C to 38?C).
  • Storage temperature: -20?F to 140?F (-30?C to 60?C).
  • Operating and Storage Relative Humidity: 17 to 90% non-condensing RH.
Regulatory Approvals CE, RoHS
Warranty Two years

Remote Unit (Receiver)

Video Output
  • Female 15-pin HD connector.
  • Supports resolutions up to 1920x1440; refer to the resolution chart below for resolutions at different lengths.
  • Output impedance: 75 Ohms.
  • Maximum output level for video: 1.45Vp-p.
  • Video quality adjustment for different lengths of CAT5/5e/6 cable is done manually for video-only units and automatically for audio/video units.
Optional Audio
  • 3.5mm stereo audio jack.
  • Frequency response: 20 Hz to 20 kHz, ?.5dB.
  • Signal-to-Noise Ratio (SNR): >72 dBA.
  • Total Harmonic Distortion and Noise (THD+N): <0.06%.
  • Stereo crosstalk: -70 dB.
  • Maximum output levels: 3.1Vp-p (line level).
  • Line level output; supports multimedia speakers.
  • CD quality audio output.
Dimensions WxDxH (in): 3.5x3.1x1.2
Power 110 or 220 VAC at 50 or 60 Hz via AC adapter.
  • Operating temperature: 32?F to 100?F (0?C to 38?C).
  • Storage temperature: -20?F to 140?F (-30?C to 60?C).
  • Operating and Storage Relative Humidity: 17 to 90% non-condensing RH.
Regulatory Approvals CE, RoHS
Warranty Two years
Front Panel Interface
  • Liquid Crystal Display (LCD) can display all current connections.
  • Locally change input and output selections with front panel buttons.
  • Digital VU-Meter displays audio levels for the currently selected port.
  • Configuration and control can be done using the front panel buttons.
  • Main menu allows the user to:
  • Set serial address.
  • Set serial speed.
  • Set IP address.
  • Set Subnet Mask.
  • Adjust contrast.
  • Force compensation.
  • Show size.
RS232 Control
  • Configuration and control can be done through the serial port.
  • Control the switch using the NTI Switch Control Program with Graphical User Interface (GUI control) via RS232.
  • Selectable baud rate: 1200 through 9600.
  • Baud rate is set via the main menu, serial command, telnet or web page.
  • CS-causes one INx/OUTx connection to occur.
  • CA-causes all inputs to connect to specified output.
  • RO-reads what input is connected to specified output.
  • CC-save matrix.
  • RC-recall matrix.
  • CB-change baud rate.
  • RV-version information.
  • RU-reads size of matrix, reports number of inputs and number of outputs on specified switch.
  • EA-set the IP address.
  • EM-set the IP mask.
  • EG-set the default gateway.
  • ET-set the webserver timeout.
Ethernet Control Configuration can be done over the Internet via web page or telnet.
Web Server (view product demo)
  • Security is ensured by password and user configurable timeout.
  • Up to 25 users can access the web page at one time.
  • The user can access the following pages:
  • Switch page: allows the user to connect any input to any output, save and recall up to ten connections.
  • Administration pages: administrator can access setup pages, port setting page and update firmware page. Assign names to video and audio inputs and outputs.
  • Password page: allows the user to change the password for accessing the web interface.
  • Help page: documentation on the usage of the web interface.
  • Update Web Server page: globally update the web server to any settings that have been changed.
  • Logout page: view currently active connections and logout of the web interface.
  • Security is ensured by password.
  • Commands are similar to RS232 commands.
  • The telnet server listens on ports 2000 and 2005.
  • Port 2000 is for an operator telnet session.
  • Port 2005 is intended for a software control type session.


Audio/Video Matrix Switch with Direct VGA In & CAT5 OutAudio/Video Matrix Switch with Direct VGA In & CAT5 Out

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