Converter for DALI bus to DSI signals to integrate DSI-based control gears in DALI lighting systems. This compact module is easily installed in conventional flush-mounted wall outlets and integrates DSI-based ballasts such as PCA ECO for fluorescent light tubes, TEL transformers for halogen lamps, or phase dimmers PHD in a DALI bus-based lighting control system. The Dali-DSI interface receives a dedicated unique address via the bus and can be assigned to groups as well as scenes.