Product Overview The Wincor Nixdorf CMD-V4 Double Extractor Unit MDMS 01750051761 (1750051761) V Module is a banknote extraction assembly designed for Wincor Nixdorf ATM cash dispenser systems equipped with the CMD-V4 mechanism. MDMS stands for Measuring Station. This version of the Double Extractor Unit includes the measuring station function, which is part of the banknote handling process. It is an important module for ATM cash dispensing and is suitable for replacement,