You are missing the cable from the Viking box where it says "Line in."

Your door box cable will run from the door area to some port on the patch panel. Can you find that cable and see where it is punched down to a jack on the patch panel?

If so, there needs to be a cable from that jack on the patch panel to the "Line in" on the black Viking box.

The pictures tell the whole story, a missing cord.

Thanks, Bunnie

THE Bracha, old blond specialist in Rube Goldberg solutions.