When you have a single zone ConveyLinx Module (one sensor and one or two motors); whichever side of the ConveyLinx Module (Left or Right) that has the Sensor attached will always be the Upstream Zone of the ConveyLinx Module and that same side’s Control Port Pin 4 will provide the Wake Up function.

Single Zone ConveyLinx Module with Sensor on RIGHT Side

Single Zone ConveyLinx Module with Sensor on LEFT Side