I am planning to use midi<->usb interface www.edw.com.pl/index.php?module=ContentExpress&file=index&func=display&ceid=126 (it's in polish, but still easy to grasp main idea) with my midibox. Do i have to use 6N138 chip in midibox core or in usb-midi interface? Or is it enougth to connext RXD of PIC to TXD of FT232BM (and vice versa)? Thanks in advance for your replies :)