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Is the HDL300 system compatible with the Extron® DMP 64 Digital Matrix Processor?

Yes. To connect the HDL300 system with the Extron DMP ProDSP™ 64 Digital Matrix Processor, two custom cables are needed to accommodate the standard 3.5 mm jack connector on the HDL300 system's Connect Module with the standard Euroblock connectors on the Extron I/O panel.


Creating custom cables

Cable 1: Prepare a 3.5 mm jack cable with the three pins, positive (+), negative () and ground (), wired to an appropriate Euroblock 3-conductor terminal block as described in the Extron DMP user manual.

Cable 2: Prepare a second 3.5 mm jack cable with the three pins, positive (+), negative () and ground (), wired to accommodate an appropriate Euroblock 3-conductor terminal block as described in the Extron DMP user manual.


Nureva Room Manager

  1. Download and run Nureva Room Manager
  2. In Nureva Room Manager, under 
  3. Product updates => Check for firmware updates
  4. Audio conferencing system
    1. Controls
    2. Microphones => set the mic level to 80%
    3. Speakers=> set the volume level to 100%
      1. Auxiliary ports
      2. Aux out => Microphone out (Mic level)
      3. Sleep mode => Disable
  5. Disconnect the Connect Module from your laptop and remove the USB cable.


On the connect module

  1. Plug Cable 1 into the Aux out port
  2. Plug Cable 2 into the Aux in port
  3. Connect the PoE cable (provided) to the RJ45-1 port on the connect module to the rear RJ45 port on the HDL300 system
  4. Plug in the 54VDC power supply


On the Extron processor

  1. Plug cable 1 Euroblock connector into Mic/Line Input - channel 1 on the rear DMP I/O panel
  2. Plug cable 2 Euroblock connector into Outputs - channel 1
  3. Connect the Extron DMP processor to the network using the LAN port
  4. Connect the power supply as described in the Extron DMP User Manual
  5. Open the Extron DSP Configurator software controller:
    1. Double-click the mix‑point (node) for Mic/Line In 1 to Output 1 to open the dialog box (for that mix-point)
    2. Unmute the mix‑point to place the signal into the mix. The default level for the mix-point is 0 dB, or unity gain. 
    3. Open the Mic/Line In 1 Gain dialog box and unmute the channel
    4. Adjust to match the HDL300 line levels per the table below.
    5. Click OK


Connection Diagram

NOTE: The Nureva Aux In / Out connections are single-ended, unbalanced signals with default maximum output signals as given in the table below. Any equipment requiring voltages below these levels may result in clipping, distortion and, in extreme cases, damage to connected systems. Equipment requiring voltages above these levels will not be adequately driven by the HDL300 system’s output signal and may result in quiet / no audio on the channel. Before connecting to the Nureva Connect Module, make sure the third-party device voltage levels are adequate or adjusted properly by additional interfacing hardware.


Last updated: January 14, 2020



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