Product description 1. Built-in two improved UART, 256 bytes FIFO 2. Support serial speed can reach 921.6 Kbps 3. Enhance automatic switching RS422 and RS485 net 4. Suppot 9-bit serial comm 5. SupportsSPP/Nibble/Byte/EPP/ECP 6. Use +5V+12V RI 2 standard RS422 / 485 signal DB9 pin serial port
RS422defines: 1-3, 2-4, 3-1, 4-2
RS485definition: 1-1, 2-2 Package details PCI serial card User Manual CD driver Software requirement DOS, Linux, Win2000, WinXP, WIN2003, VISTA, 2008, Win7and Win8