For connecting an electric door opener or for switching the light. Possibility of connecting an electric door opener (DC: 12 V DC, 4 A pulse, max. 500 mA continuous or AC: 12 V AC, 50 Hz, max. 500 mA continuous). Potential-free contact: 230 V AC, 3 A or 30 V DC, 3 A Possibility of connecting an external door sensor to detect the door status after the door has been opened. Possibility of connecting an external door button for opening the door. Switching time of the door opener and light can be set via IP Touch 7 or Smart Access Point. Power supply via Power-over-Ethernet (PoE) 802.3af.