Steps:

1. Plug the J-ReX into the vehicle’s OBD-II port.
2. Connect one end of the Ethernet cable to an available router port.
3. Connect the other end of the cable to the Ethernet port on the J-ReX.
4. Check the green and orange LEDs near the Ethernet port on the J-ReX.
5. When both LEDs are continuously on, the J-ReX is successfully connected through Ethernet Cable.