Easysync ES-U series adapters are a series of USB Serial Converters. They provide a simple method of adapting legacy RS-232 or RS-422/485 devices to work with modern USB ports using a trusted and reliable FTDI chip set. Available in a variety of enclosures and port numbers, they are ideal for allowing factory automation equipment, multi-drop data collection devices, barcode readers, time clocks, scales, data entry terminals and serial communication equipment to be connected to USB ports in industrial environments.