How to confirm if LAN dongle is connected successully?

1. Usually LAN dongle lights in green

2. Registration number can be seen in inverter LCD screen, which means LAN dongle connects to inverter well. For X3-Hybrid-G4, customer can check it in the path: Menu—About—Inverter. For other old inverter, such as Boost, customer can only check it from inverter light to confirm if LAN dongle connects to inverter successfully as registration number cannot be seen in these inverter.