Ah yes, the serial port is for connecting the BN to a braille embosser. sent from the braille plus Megan Hudgins <hudginsmegan47@xxxxxxxxx> wrote: >Marissa, >The USB with the little block at the end is a USB to serial cord. >I've had my Apex since June and I haven't the slightest Idea as >to what it's for. I think it's for connecting the BrailleNote to >a PC, but it's easier to use a USB cord, especially since you >don't really see serial ports that often anymore.