A stagebox input by IDENTITY: the registry's boxId, and a 1-based input on that box.
boxId
Readonly
The box's stable registry identity (box-xxxxxxxx) — never its MAC, never a node name.
box-xxxxxxxx
Which preamp on that box, 1-based, as the operator counts them.
A stagebox input by IDENTITY: the registry's
boxId, and a 1-based input on that box.