A google search turns this up:
https://community.garadget.com/t/connecting-to-a-gdo-11v3-ero/3229
Garadget Community
Does anyone know if it’s possible to attach the Garage device to a GDO-11V3 Ero? When I remove the back of the overhead Garage Door opener there is a panel which has the following connections available. AUX/OSC OV SB-2 OV SB-1 V+ Is it possible to connect the two wires from the Garaget to any of these connections so that I can ope...