The VS 44HD by Kramer 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. It also has the following features.
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.