Competing Systems
In Europe, Selectrix is an open NEM standard, but the Märklin Digital system is proprietary. From the US, the Rail-Lynx system provides power with a fixed voltage to the rails while commands are sent digitally using infrared light. Other systems include the Digital Command System and Trainmaster Command Control.
Several major manufacturers (including Roco and Hornby and Bachmann), have entered the DCC market alongside makers which specialize in it (including Lenz, Digitrax, ESU, ZIMO, Kühn, Tams, North Coast Engineering (NCE), and CVP Products' EasyDCC, Sound Traxx, Lok Sound, and Train Control Systems). Most Selectrix central units are multi protocol units supporting DCC fully or partially (e.g Rautenhaus, Stärz and MTTM).
Read more about this topic: Digital Command Control
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