Serial LC100 configuration: LC100-L3 for car calls, LC100-L1 for landing calls

Serial LC100 configuration: LC100-E5 for car calls, LC100-M8 for landing calls

Serial/parallel LC100 configuration: LC100-E4/E5 on cartop for car calls, LC100-E4 in control panel for landing calls

Parallel LC100 configuration: LC100-E4 in control panel for both car calls and landing calls