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 (available upon request) .
• 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.