Q: “How are the MOTU 828mkII’s inputs and outputs numbered when I’m using it with non-MOTU software?”
A: The inputs are numbered:
1-2 Mic/Guitar
3-10 Analog
11-12 S/PDIF
13-14 CueMix Mix 1
15-22 ADAT (or 15-18 at 88.2/96kHz)
The outputs are numbered:
1-2 Main Outs
3-10 Analog
11-12 S/PDIF
13-14 Headphones (unless the phones are mirroring another output)
15-22 ADAT (or 15-18 at 88.2/96kHz)