... FTDI 232BL single chip solution• RS-232 data & signals: TX, RX, RTS, CTS, DTR, DSR, DCD, RI, and GND.• ... to 921,600 bps• Internal 128/385 Byte Tx/Rx Buffers• Standard DB9/M RS232 Connector;• RS422/485 ... and self-adjusting).• Remote Wakeup Capable• 1.5 Metre Cable• Surge protection, ± 15KV ESD protection• Supports Windows 7 ... solution,USB to Dual RS232 converter / adapter /serial cable, applicable to PND