New Verizon FIOS installations tend to use this ONT. Unlike previous ONTs, the I-211M-L does not come with a battery backup. A power glitch or brownout may cause the unit to reset, interrupting internet connections, phone calls, and TV signals. Verizon sells a battery backup accessory (ReadyPower) that uses 12 D-cell batteries.. Which model(s) of ONT box is needed for Gigabit service. I currently have an ONT model I-211M-L. It is connected to the router via an Ethernet cable. Is this ONT capable of gigbit service? If not, what speed can this model provide.
Verizon Onti-211m-l Manual. Home » Verizon » Onti-211m-l Manual. Verizon FiOS Internet Service Guide. Important information about your fiber-optic equipment.. ONT Power Supply Unit (OPSU): Your electricity source. Your ONT requires electricity to operate all Verizon services provided on the FiOS network. The OPSU supplies that power by.. Related Manuals for Verizon FiOS. Wireless Router Verizon Fios User Manual (185 pages) Wireless Router Verizon Fios User Manual (185 pages). Page 5 ONT/BBU are installed in a centralized location in your building. In that case, the information on pages 4-9 may not apply to you. Router Optical Network Terminal (ONT) ONT Power Supply Unit.