Safety lighting system with a splitter

A splitter (B, C, D, G, 118) of a serial data bus (A ', B', 102, 104, 106; 108, 110, 112, 114, 116) for use in a security lighting system (100) having a power source (100) A), wherein the splitter (B, C, D, G, 118) microcontroller controlled (IC4) control data (A1, A2) of a master terminal (KL1) on at least two slave terminals (KL2, KL3) in a reinforcing manner (IC1 , IC2, IC3).