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Battery Backup Unit (BBU): Continuous power when you need it
In case your ONT Power Supply Unit is accidentally unplugged — or in the
event of a commercial power failure — a BBU has been installed to provide
you with backup power for voice service for approximately eight hours.
Your BBU was installed in a location in your home or garage where it can
be easily monitored — most likely near the OPSU. The BBU is connected
directly to the ONT to provide backup power if it’s needed. In addition,
the BBU contains a series of indicator lights that tells you whether your
service is being powered by your home’s electricity or the battery.
The BBU also tells you when the battery needs to be replaced. The average
life of your battery is between one and four years, depending on the average
temperature of the environment. When your battery does need to be replaced,
you can purchase a sealed lead-acid battery at a major electronics outlet or a
home-improvement store. Or, you can contact the Verizon Fiber Solutions
Center at 1-888-553-1555 and they will direct you to an approved battery
replacement vendor who will be able to handle your request for a new battery.
Note: Battery disposal standards and requirements vary by state. If you need to replace the sealed
lead-acid battery in your backup unit, please check the following Environmental Protection Agency
resources for proper disposal instructions: visit www.epa.gov/epr/products/batteries.html or call the
EPA directly at 1-800-424-9346.
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