access this link
http://bible.younet.com/files/2004/05/13/150237.shtml
it's in chinese but you can use google to translate it, anyway the
images are saying everything.
i've seen a lot of topics opened about this problem, most of them
closed now so here it is guys. anyone can do it so you don't need to
pay 50$ for a cable.
good luck!
ps: you can try also to search "3300 f-bus" on google image search for
some more hints!