... FTDI solution Industrial Grade, reliable applicable to kinds of OS PND,MDT support The USB to Dual RS232 converter/adapter is a ... Linux.FEATURES• Industrial grade design, adds two RS-232 ports to USB port, compatible with MDT,PND.• FTDI 232BL single chip ... , DTR, DSR, DCD, RI, and GND.• Data transfer rates from 300 Bps to 921,600 bps• Internal 128/385 Byte Tx/Rx ...