Newly designed with use of an optical fiber connection between the HDK cameras, ensuring high-quality signal transmission and longer cable runs. The CCU-890 up to 3000m for Studio camera or Portable camera with System Expander. Both HDTV and SDTV formats are supported simultaneously in both digital and analog form with a wide range of built-in interfaces. Also feature embedded audio in SDI signals, as well as, frame synchronizer for return circuits. Furthermore, the CCU-890 supports dual link with simple board exchange. (note: camera head must also support for dual link)