http://bookmarksknot.club/story.php?title=modbus-protocol-and-the-rs-485-serial-bus-standard In actuality, if you're using relatively trendy tools (say 1990 or later) and a low baud price, line lengths of 1,000 toes (300 m) or extra are possible. A better value termination resistor will reduce the DC losses related to excessive line lengths, permitting for much longer line lengths at the price of ringing on the wires. Mon, 05 Oct 2026 14:44:21 UTC en