Seems pretty obvious...
Device 1 has optical and coax.
Device 2 has only optical.
Receiver has one of each.
Device 2 must be connected to the optical so...device 1 will be connected by coax.
Edit: Sorry if it was a little blunt I had a rough day.
Device 1 has optical and coax.
Device 2 has only optical.
Receiver has one of each.
Device 2 must be connected to the optical so...device 1 will be connected by coax.
Edit: Sorry if it was a little blunt I had a rough day.