... that can be used to convert any standard USB port (USB 2.0 – backward compatible) into two ... grade design, adds two RS-232 ports to USB port, compatible with MDT,PND.• FTDI 232BL ... 2.0 Full Spead Compliant• USB-No IO, IRQ or DMA addresses Required,no conflicts.• Supports remote wakeup and ... CE, Mac, and Linux. Industrial Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial cable, applicable ...