Topens HLR01 - Receiver PCB Terminals Overview; Wire Connection Methods; Connect KIT with Board Power

Terminals of PCB inside the Receiver
Button A is used to control the PORT1 (NO1, COM1, NC1)
Button B is used to control the PORT2 (NO2, COM2, NC2)
Wire Connection
1. Connect the KIT (HLR01) to the Gate/Door opener with power on the
board, when power from the board connected directly to HLR01.