RS-485 is an upgraded version of RS-422, capable of connecting 32 interface devices. RS-485 is a two-wire, half-duplex, multi-point serial connection standard. It can configure inexpensive local networks and multi-station communication links. It also provides very high data transmission speeds (up to 10 Mbit/s), and due to the use of twisted pairs and differential transmission methods, communication distances can reach up to 1200 meters. RS-485 only specifies the electrical characteristics of balanced drivers and receivers, without specifying or recommending any data protocol.
蘊藏許多助人的知識與智慧。