To connect your Orbi router to an existing modem, follow these steps:
Power Off Your Modem: Unplug your modem and remove any backup batteries.
Connect the Orbi Router: Use the provided Ethernet cable to link your modem to the yellow Internet port on the Orbi router.
Power On Devices: Plug in your modem, wait for it to fully boot, then power on the Orbi router.
Complete Orbi Router Setup (https://orbismartwifi.com/orbi-setup/): Once the Orbi router's LED stabilizes, use the Orbi app or a web browser to finalize the setup.