The SK-PC-KM is a safe area Din-rail mounted power supply unit and 2x PS/2 data interface for the intrinsically safe TASTEX EXTA-K1, EXTA-K3 and EXTA-K4 keyboards and mice. It is designed for applications with a maximum cable length of 10 m between TASTEX in the hazardous area and the SK-PC-KM in the safe area.