you might need a driver to create a virtual com port via the USB. The Bu-353 for instance requires that you install a driver so it can emulate a com port through the USB.
Yes the USB serial controller. Actually all USB devices that I know of require this. So as long as he did put the CD in to install using the drivers, he should have that.
LOOKING FOR THE FAQ? IT'S HERE.
You never found that link, did you? Why? It's hard to find in the NavBar across the top of the forums, amongst a lot of other crap.
TELL MP3CAR YOU WANT A LINK TO THE FAQ IN A MORE OBVIOUS, NOTICABLE LOCATION HERE.