4-ways with 1 input and 4 outputs Opto-insulated inputs and outputs Output for a linkage to another distributor Linkage: DMX512 (IN/OUT XLR 3/5 pole) Power supply: 230V~ 500mA Body: 1 standard 19'' rack unit made of steel Weight: 3 kg Dimensions (WxHxD): 483x44x138 mm