1 input addressable module for conventional detectors for use with addressable control panels. The detectors can be connected to two wires (tree) or four (ring). Addressing through rotary switches numbered from 1 to 99. This module is equipped with tri-color LED (green, red and yellow) for different alerts. The module has short circuit isolator. 15-32VDC supply, quiescent current: 288mA and 500mA with LED on. Operating temperature -20°C + 60°C. Relative humidity up to 95%. End of line resistor supplied with the module.