Addressable monitor module with 1 supervised input circuit for monitoring alarm equipment or technical signals that have voltage-free contact. It incorporates a loop short-circuit insulating circuit, LEDs for module status indication, a decadian direction selector (01-159) and a DIN guide anchoring system. Allows surface mounting with M200SMB or SMB6-V0 box. Compatible with OPAL 159+159 and CLIP 99+99 protocols [208554033]