TCS: Opening many worlds 

TCS is a global communication and automation company based in Germany. Since the patent for its world's first door-entry-system called the TCS BUS, which was based on a software-controlled bus system, a whole world of products and applications were developed by TCS. The company opened the door to a new world with the BUS technology that changed the entire communication industry. TCS also markets products for standard applications in the electrical wholesale trade, home monitoring systems and solutions.
www.tcsag.de