... of OS PND,MDT support The USB to Dual RS232 converter/adapter is a port-powered USB to dual RS-232 converter that can ... GND.• Data transfer rates from 300 Bps to 921,600 bps• Internal 128/385 Byte Tx/Rx Buffers• Standard DB9/M RS232 Connector;• RS422 ... ), Win CE, Mac, and Linux. Industrial Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial cable, applicable to PND