[Introduction]：E810-U15M is a universal USB to RS-485/TTL conversion interface. It can convert single-ended USB signals to RS-485/3.3V TTL signals without external power supply. E810-U15M interface converter can provide reliable connection for point-to-point and point-to-multipoint communication. Each point-to-multipoint converter can connect 128 RS-485 interface devices. The device has power indicator and data flow indicator to observe the status of the device. The communication mode supported includes data conversion between USB and RS-485TTL.