1.8 m USB - Interface?: USB 1.0 Low Speed USB 1.1 Low / Full-Speed USB2.0 Low / Full speed class?: Hub printer?: USB - B male cable: ca. Connectors?: 1 x Centronic 9-pin Sub-D plug IEEE 1284 - A 1 x USB B male power supply?: Food?: 110-240 V / 50/60 Hz Output?: 5 V / 100 mA approx. Adapter for connecting printers and multifunction devices with a USB port to the LPT interface (parallel)-of computers, measuring devices, laboratory and diagnostic devices, control consoles, medical, as well as all other products with a parallel interface printer.