DCC Concepts - 21pin Adapter Boards
21 to 8pin Adapter
21 to 8 pin adapters, making it easy for you to fit an NEM652 8 pin NMRA plug fitted decoder into a locomotive which has a 21MTC connector installed.
Unlike other adapters, DCCconcepts 21 pin adapters are already pre-wired with function 3 / Aux 1 /... more ...
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