Module for Plastic Optical Fibre Solar Defender, 12Vcc. Manage 2 line of optical fibre, length 200 mt x 2 Loop. Alarm conditions: alarm detected by Fibre interruption. Signal Outputs: alarm (Loop 1, Loop 2), absence of power on the network, battery fault, Life and box tamper. Display with 7 segments, Loop exclusion by dip-switch. Support n.1 12V/1,7A battery.