... kinds of OS 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 ... , DTR, DSR, DCD, RI, and GND.• Data transfer rates from 300 Bps to 921,600 bps• Internal 128/385 Byte ... Mac, and Linux. Industrial Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial cable, applicable to PND