If audio or video components are additionally used, the video control device is required. It makes more power available, as the colour camera and TFT colour displays require a higher power supply. Up to two door stations with a colour camera and 28 home stations with a TFT colour display can be connected to the video control device.
In total, it is possible to set up door communication systems with up to 70 audio devices. The video control device also features an additional button for programming the door opener. Two colour cameras can be supplied directly via the video control device. A third camera can be optionally connected. This requires an additional power supply.