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The VS-44HD is a high-performance 4x4 matrix switcher for HD-SD signals, as well as a dual link 2x2 matrix switcher. Switching is implemented during the vertical interval period according to the SMPTE RP-168 standard, when using synchronized digital video sources.

  • Max. Data Rate - 1.485Gbps.
  • HDTV Compatible.
  • Multi-Standard Operation - SDI (SMPTE 259M/344M), HD-SDI (SMPTE 292M) & dual link (SMPTE 372M).
  • Reclocking & Equalization - Automatic.
  • Switching Synchronization - Synchronizes either to external reference or incoming video.
  • Active Input Type™ Reporting - Each input button on the front panel automatically lights up when the unit detects a video signal on that input. Green indicates a standard definition (SDI) input signal and blue indicates a high definition (HD-SDI) input signal.
  • Memory Locations - Stores multiple switches as presets (salvos) to be recalled and executed when needed.
  • Take Button - Executes multiple switches all at once.
  • Control - Front Panel, RS-232 (K-Router™ Windows®-based software is included), RS-485, Ethernet, contact closure & IR remote (included).
  • Analog Sync Type - Bi-level, tri-level.
  • Selectable Sync Signal Termination.
  • Front Panel Control Lockout.
  • Vertical Interval Switching.
  • Worldwide Power Supply - 100-240V AC.
  • Standard 19” Rack Mount Size - 1U. Rack "ears" included.


INPUTS: 4 SDI SMPTE-259M, 292M, 344M serial video, 75ohm on BNC connectors; 1 GENLOCK 75ohm/Hi-Z on a BNC connector.
OUTPUTS: 4 equalized and reclocked SMPTE-259M, 292M, 344M outputs 75ohm on BNC connectors; 1 looped GENLOCK 75ohm/Hi-Z on a BNC connector.
MAX. OUTPUT LEVEL: 800mVpp/75ohm.
MAX. DATA RATE: Up to 1.485Gbps.
CONTROLS: Front-panel, RS-232; RS-485, Ethernet, infrared remote, dry contact, and panel lock.
INDICATORS: 4-character display on the front panel.
POWER SOURCE: Universal, 100-240V AC, 50/60Hz, 22VA.
DIMENSIONS: 19" x 7" x 1U W, D, H, rack mountable.
WEIGHT: 2.6kg (5.7lbs) approx.
ACCESSORIES: Power cord, IR remote, null-modem adapter.

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