They are simply there — interconnected via a new central control unit — working imperceptibly in the background and making travel safer, more convenient and more intuitive than ever. (cheersandgears.com)
If this is below a certain level, the sensor alerts the SDM central control unit and the front passenger airbag will not deploy. (topspeed.com)
They will send their images to a central control unit, which might also have access to other cameras looking at the region of interest, as well as access to the internet for help in labeling what it sees. (sciencedaily.com)