... PND,MDT support The USB to Dual RS232 converter/adapter is a port-powered USB to dual RS- ... 232 converter that can be used to convert any standard USB port (USB ... grade design, adds two RS-232 ports to USB port, compatible with MDT,PND.• FTDI 232BL single ... Mac, and Linux. Industrial Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial cable, applicable to PND