KNX System Topology KNX System Topology Understanding lines, areas and backbones to build scalable automation networks. Watch The Lesson English Version Arabic Version What You Will Learn Couplers and repeaters Device Limits Wiring Rules KNX Hierarchy Key Concepts Explained The 3 Level Hierarchy Couplers The Traffic Police Physical Topology Rules Remember These Three Things KNX uses a 3 level hierarchy: Line > Area > Backbone Couplers keep communication organized and efficient Follow Topology rules and distance limits for reliability