Connecting Linear to Chamberlain garage door opener

Hi Everyone,

I am trying to connect a Linear Z-Wave Garage Door Remote Controller to a Chamberlain Liftmaster 3/4 HP Part Number 41AC075-2A.

I have the Linear connected to my Smart Hub, no problem, but I cannot seem to get the smart hub to control the open or close.

I have tried to connect the two wires from the Linear to the two wires from the wall mounted door opener, No Success.

I have also been asked what color my antenna wire is “purple”

Any help would be greatly appreciated.