[Introduction]：E810-U15H is a high-speed USB-RS-232/RS-422/RS-485/TTL conversion interface. It supports up to 12M serial port rate and can convert USB signals into RS-232/RS-422/RS-485/3.3V/5V TTL signals without external power supply. Each interface provides surge protection. E810-U15H interface converter can provide reliable connection for point-to-point and point-to-multipoint communication. Each point-to-multipoint converter can allow the connection of 128 RS-422 or RS-485 interface devices.