The MIO module is the input/output device intended for the co-operation with alarm devices. It can operate on the detection loops or stub detection circuits. The MIO22LS can work with acoustic, optical, acoustic-optical, voice and other types of alarm devices. The MIO modules have built-in with 2 voltage outputs with monitoring, and 2 monitored potential free inputs. Device is equipped with double-sided short-circuit isolator. These ensure constant loop working, even in case of damage. It also lets you find place of that damage easily.