I don’t know if I ended up putting the passive/buffered multiples jacks on the wrong side of the PCB or what (I put them on the silkscreened side) but I ended up with the left buffered input on the bottom and the right buffered input on the top, opposite what the panel shows. Took me forever to figure out why I was getting crazy behavior.
Added:
OK, guess I got the build correct and the panel’s … different?