Ganz ZCA-DS8 8CH RS-485 Distribution Unit
The ZCA-DS Series Distribution Unit (SDU) is designed to relay and amplify control signals to PTZ cameras. it is capable of communicating with cameras up to 1km away. The SDU can be installed in either "star" or "daisy chain" configuration with up to 160 cameras. Its versatile installation configuration makes an easy integration into expanding surveillance systems; ideal large-scale installation sites include airports, hospitals, schools, stadiums, etc...