RS-485 Transceiver FAQ

RS-485 bus termination is useful in many applications as it helps with signal integrity and reduces problems. "Termination" means matching the characteristic impedance of the cable with the termination network so that the receiver at the end of the bus can receive the maximum signal power. Unterminated or improperly terminated buses will experience mismatches, resulting in reflections at the end of the network and a decrease in overall integrity