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Digital Command Control
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<p>Digital Command Control (DCC) is a standard for a system for the digital operation of <a href="/facts/Model_railways/Dvd8BwBg">model railways</a> that permits locomotives on the same electrical section of track to be independently controlled. </p><p>The DCC protocol is defined by the Digital Command Control Working group of the US <a href="/facts/National_Model_Railroad_Association/wD8yv6F3">National Model Railroad Association</a> (NMRA), which owns the trademark for the DCC logo. </p>