I/O ports 1-8 are my analog ports. I have no way of telling which are the ADAT or the SPDIF.
I've wired up with FW-1884.SPDIF.Coaxial Out (my nom.) to my Focusrite Platinum TwinTrack Pro.Digital In, which routes to the Monitoring section, so I can listen to Live's Master Out.
Don't know which...