... that can be used to convert any standard USB port (USB 2.0 – backward compatible) into two RS ... /Server2003 (64-bit), Win CE, Mac, and Linux.FEATURES• Industrial grade design, adds two RS-232 ... indicators• USB1.1/2.0 Full Spead Compliant• USB-No IO, IRQ or DMA addresses Required,no conflicts ... (64-bit), Win CE, Mac, and Linux. Industrial Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial ...