The innovative USB Connect-It module offers all the benefits of USB technology to EPSON’s POS printers. Harnessing this technology, EPSON can increase port capacity to 127 peripheral devices connected from a single USB controller, increase communication speed to 12 Mbps (megabits per second) and add the ability to hot plug the printer to the host. This item includes one upstream connection, a USB hub that has two downstream connections and a DM connector.