Does there exist a book/manual/file/FAQ that explains in "simple" terms the complexity of both low and high speed modems? I need it in order to write my local Apple user group's newsletter where I try to explain just how one does what it is we all do on a daily basis. Kind Regards, -- Joe Walters att!ihlpm!bird, NW 31-K14 (708) 224-7189 To know, and not to do, is not yet to know