Snell Wilcox 4x modular card IQH1ASP ( IQH1A-S-P ) 1RU enclosurewith Ethernet/SNMP ethernet network and also Rollcall Gateway and dualPSU with redundancyDATSHEEThere dual PSU for live installations and ethernet network for rollcoll etc.includes 2x IQARC00 SDIaspect ratio converters installedRear connector has 1x SDI input, 3x SDI outputs and 3x monitoring outputs and then GPIalsodatasheet here