RS-422 is a serial data communication protocol that specifies 4 wires, full-duplex, differential transmission, and multi-point communication. RS-422 is a unidirectional, balanced transmission standard that allows one device to send to multiple receivers. Transmission distances can reach up to 1200 meters (4000 feet) and transmission rates can be as high as 10 Mbit/s.
蘊藏許多助人的知識與智慧。