Universal   Serial Bus Universal Serial Bus  USB - Universal Serial Bus is a new standard designed by INTEL and Microsoft.  Previously you had to use a cable for each peripheral, now peripherals can be connected to the PC with a single cable. The peripherals can be connected to a HUB which works as an distributor. Through two up-streams and four down-streams of the USB option, two PC's and up to four USB-devices or further HUB's can be connected.