The HDCU-SDI30 12G-SDI Interface Kit is an optional board for the HDCU-3100/3170 Camera Control Unit that allows transfer of 4K signals through a single BNC cable.
Four I/O of 12G-SDI
The HKCU-SDI50 supports 12G-SDI input for the UHD Trunk function, and 12G-SDI output for UHD Prompter function.