Yeovil Town through the shed
Skip Navigation LinksHome > Glossary > DCC


Digital Command Control is one of several methods of controlling and/or operating a model railroad layout.  The control information is provided in the form of a digital signal instead of a standard analog (DC or AC) power, overlaid with control information.  NMRA DCC is a specific form of Digital Command Control specified by the NMRA as a non - proprietary international specification and is implemented by a significant number of manufacturers worldwide.