sentences:  PoweredUSB was licensed by Hewlett-Packard, Dell Inc., Cyberdata, Fujitsu, Wincor and others.PoweredUSB uses a more complex connector than standard USB, maintaining the standard USB 1.x/2.0 interface for data communications and adding a second connector for power.Physically, it is essentially two connectors stacked such that the bottom connector accepts a standard USB plug and the top connector takes a power plug.