The Panasonic AK-MSU1000GJ is a master setup unit for controlling a studio handy camera (AK-HC5000; sold separately, AK-UC3000/AK-UC4000; sold separately) and a camera control unit (AK-UCU500/AK-UCU600; sold separately). Use a dedicated optical fiber multi cable to connect a studio handy camera to a camera control unit and use an MSU cable or IP connection to connect this unit to the camera control unit. When IP connections are used, up to 99 camera control units can be controlled.