The Zoom 56K Fax Modem USB Model 2985 utilizes the capabilities of a computer's Universal Serial Bus for the fastest and most convenient modem hookup yet. Using the included USB cable, just plug the 56K Fax Modem into your PC, you do not even have to shut down the computer. The new modem will then be installed automatically and you will be ready for fast, reliable access to the Internet, and other dial-up modems.