Insert the USB port into the USB port of the computer, and connect the other end to the device. After the computer driver is successfully installed, you can start debugging. | USB to DB25 RS232 Serial Adapter Converter Cable Null Modem FT231XS Driver for Sharp X68K X68000 PC Communication Programming Cable | USB Printer Cable for Sharp X68000C X68K PC Programming cable.Compatible Devices:Personal Computer, Modem, Printer | Equipped with the Genuine FT231XS chip, this cable is compatible with all Windows, Mac, Linux, and Vista operating systems. | Length:6ft .