Easily and economically add up to four parallel peripheral devices to your PC or share one between up to four PCs with Cables To Go's IEEE-1284 Reversible Intelligent AutoSwitch. Installs in minutes with no experience required! Expand your PC for sharing parallel peripherals such as printers, scanners, Zip drives and almost any other parallel device. Or you can share your new IEEE-1284 printer or perpherial with up to 4 PCs without a network! The IEEE-1284 bi-directional feature enables 2-way communication between the PCs and a IEEE 1284 printer, allowing printing information to be sent between the printer and the PC. The printer can send your PC information on its status including printer ready, paper jam, add paper and more! The Intelligent AutoSwitch also supports file transfer and is the ideal way for a notebook PC to update or download files to a desktop PC. And best of all - no special cables are required.