During a temporary power failure my FIOS unit contnues to operate providing telephone service on battery power. Also my gateway G1100 remains on because it has a seperate backup battery. However, during these times when there is a power outage and the system is on battery backup, I have telephone servicee but no internet service. Why is that? Why phone but no internet ?
PS: The G1100 continues to be on but displays the red light indicating no internet connection.
Backup power was only provided for phone to meet the 911 needs.
Even that has become optional.
So if you need Internet even when the power is out, you will need to provide a UPS (like an APC for PC) that covers your power input to ONT.