The Cobalt RM20-8JXS-8S-B-HDBNC is a 4-Slot Frame Rear I/O Module (Double-Width) with (8) 12G/6G/3G/HD/SD/SD-SDI Outputs, (2) 25G SFP 28 Cages (all coaxial connectors HD-BNC) designed for use with the Sapphire 8JXS-8S 8 channel JPEG XS to SDI openGear® Converter.