1 (727) 209-1300 | Mon-Fri 9a-5p ET

RS-485 Basic Pinout Diagram

Serial RS-485 does not suggest any communication protocol with exception of the physical layer and only specifies electrical properties of the transmitter and receiver. RS-485 is generally used for its multi-port specification but is not necessary in certain applications. The full and half duplex wiring diagrams are below:

RS-485 full duplex wiring diagram

RS-485 half duplex wiring diagram