The tm stagetec systems DIO is the army knife for audio, with an impressive range of tools and converters. 2 port Ethernet switch (1x 1Gb Copper and 1x SFP cage), Dante™ audio, AES Input and Output, Mic Input, Line Input, Line Output, Headphone Output with external volume control and 2 x GPIO. The DIO is powered by PoE (Power over Ethernet) or runs via an external PSU. Redundancy is provided between both power sources!