Hall Research VSM-404 4 X 4 VGA Matrix Switch

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The Model VSM-404 is a 4 in x 4 out video matrix switch that provides four independent outputs, each capable of displaying any of the 4 inputs (or blanked out). An RS-232 “Serial Port” is provided on the unit to control the selection for the outputs. A Serial Keypad is supplied with each unit.


  • Switching is easy with the included keypad
  • RS-232 port allows control from serial device (or PC using MatrixMon free software)
  • Perfect video - even at 1600 x 1200 resolution
  • All inputs are terminated and all outputs are buffered
  • Can drive video as far as 150 ft. (45 m)
  • Universal power supply included
  • Front-panel LEDs make it easy to figure out where video is going
  • Designed and manufactured in the USA


  • Equipment Included: The VSM-404 base unit
    UL approved 110/230 Vac power supply
    Control Keypad
    User's Manual
  • Dimensions: W x D x H: 8.3 x 5.3 x 2.3 inch
  • Weight: Base unit: 2.2 lbs, Keypad: 1 lb, Power Supply: 1.2 lbs
  • Video Specs: Connector : HD15 female
    Coupling : DC
    Video Level: 0.7 v p-p
    Video Gain : 1

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