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I have made the following connection:
Iconnectivity Mio 10
Usb 2.0 [Male -> Female]
USB to RJ45 adaptor
USB 3.0 Hub
I´m able to power the Arturia KeyStep from this setup, but not send back midi data over USB to my Iconnectivity Mio 10
The first cable downgrades the USB connection to 2.0 and i´m unsure if the RJ45 is 3.0 or 2.0. I could imagine that the connection require fully USB 3.0?