keyspan usa-28x external usb to serial adapter
there s a good reason why we sell more mac usb serial adapters than any other company . our years of experience in making pci serial cards for macintosh make us much more knowledgeable about macintosh serial technology . we applied this expertise to produced the first usb serial adapter for mac os in october 1998 . as apple released mac os x we added mac os x drivers for the twin serial adapter . this adapter is recommended by dozens of serial devices manufacturers and this adapter has been certified by apple for use with final cut pro to connect to external video decks .