Not sure exactly but I do have have a Firewire card I could use if that was the case if it’s just for configuration purposes. There is a thread about the scenario here where the UR824 is master and MR 816 is slave:
Hi everybody,
I used from many years a MR816x. Today, I bought a UR824 and I would like to expand MR inputs.
I want to use the UR as master and the MR as slave. I connect two optical cables : IN<->OUT and OUT<->IN.
So, I read many topics on this forum and another, but no chance for me, I have no sound from the MR inputs (slave).
The UR824 :
[image]
The MR816x :
[image]
On the front of the UR, the internal lamp is green. On the front of the MR, the ADAT lamp is green. So, I think I’m …
EDIT: Steinberg has the configuration info here: https://helpcenter.steinberg.de/hc/en-us/articles/206085924-How-to-use-the-MR816X-CSX-as-a-slave-device-via-ADAT