The Lindy USB to 4 Port Serial Converter allows the easy connection of four peripheral devices featuring 9 Way Serial RS232 to a single USB Type A port. The compact size and USB Bus-powered design make it ideal for connecting RS232 equipment such as PDAs, barcode readers, EPOS and industrial devices to a USB Type A equipped computer in retail, IT and digital signage scenarios. Each serial port features a reset button for conveniently detecting newly connected serial devices.This converter is compatible with both Windows and Mac operating systems. It is powered by the USB Bus, while a power supply can be connected optionally for use with high current serial devices.