USB to RS-485/422 industrial intelligent converter; no power supply needed, plug-and-play USB485 is a kind of USB to RS-485/422 industrial intelligent converter. It is the best solution for the communication between USB and RS-485/422. Compared with RS-232 to RS-485/422 converter, USB to RS-485/422 converter has many advantages.Features:1. Small volume, easy installation2. No power supply needed, ...