i have recently upgraded to an RME ucx to take advantage of the SPDIF coaxial output on my Kemper Profiling Amp. I used to use a Duet2, but it didnt have this input option. While evrything seems fine, I can hear the input from the kemper and play through my monitor speakers, and also play itunes through it, it is not working as a record input ion logic. My audio channels now offer me 18 inputs, which is starnge, but when i record activate one, there is no siognal coming into logic. As the kemper is the master output, I have had to return to 44.1khz, but nothing seems to work. I feel i'm missing something obvious - any advice anyone?