RS485 Hub: Star vs. Daisy Chain – When to Use Which
RS485 Topology Guide The RS485 standard has historically required a strict daisy-chain topology: a single unbroken bus terminated at both ends. But textbook conditions seldom exist in field installations. Technicians often find existing cables pulled in a star configuration when retrofitting video surveillance, building automation (HVAC) or legacy factory floors. That is where RS485 hubs…









