This autoswitch allows up to four computers to share one IEEE1284 parallel printer and one USB peripheral such as a printer, scanner, webcam or storage drive. It is bus-powered, comes with intelligent autoswitching software for Windows for easy and convenient sharing of peripherals and works with Windows 98SE, ME, 2000 and XP systems. Recommended USB Cables: QVS CC2209C A Male to B Male Cable. This will not work with Multi-Function/All-In-One Printers. (Connectors: 1 DB25 Female, 1 Type A Female and 4 B Female)