The WiFi indicator LED on your Fios device turns off. Cox Communications encourage their customers to self-install (which is possible if a residence has already been wired for cable service). For self-installation, Verizon Fios can either mail you the kit or you can pick it up at one of their Fios locations. For more information about WiFi bands, see What is the difference between 2.4 GHz and 5 GHz wireless frequencies?. Note: Repeat this step for any additional WiFi bands on your network. Under Enable Private Wi-Fi Access, select OFF.Perhaps consider a short term offering from them with a self-install and sort out the offerings with Verizon in the meantime. Xfinity also has the 39.99 Self Install Plus option, where a technician comes over with your self-install kit and verifies that your connections are working as you set. The coax provides RF for the set-top box's video signal.
For more information about AP mode, see What is the difference between router mode and AP mode?. Fresh for the perusal of cabling trade professionals who might frequent. To set up your NETGEAR or Orbi router to work with Verizon Fios, you must turn off the WiFi on your Fios gateway and install your new router in AP mode. Gut check: Verizon FiOS self-installation video.