From EIB (BAOS, chID 0, seq_cntr 0) => source 1/1/3 destination 5/0/2 data len 1: 01 - Dimming DOWN started
From EIB (BAOS, chID 0, seq_cntr 0) => source 1/1/3 destination 5/0/2 data len 1: 00 - Dimming DOWN finished