Simplest way to set up Satpc32 with the FT847 is to use a 1 port FTDI USB TO RS@#@ SERIAL NULL MODEM ADAPTER CABLE sold by StarTech.com The nomenclature is ICUSB232FTN USB TO NULL MODEM ADAPTER CABLE Comes complete with Cd driver I have been using this cable with no problems for several years on my Acer windows 7 computer.. 73 JACK/KC7MG