General An extensive range of interfaces are available to support the Cooper range of control panels, providing solutions for most design requirements. The spur isolator unit (CSI350) enables a spur of intelligent addressable devices to be connected to a main analogue loop, the device is designed to simplify installation of remote parts of buildings or for simple system extensions. Features • Soft addressed • Integral short circuit isolator • Single address • Allows a spur of intelligent addressable devices to be connected to the main loop for the loop and the spur • Automatically controls addressing sequence