ADTRAN Total Access 300 Series Installation And Maintenance Manual page 34

Total Access 300 Series Small Business Unit ONT Installation and Maintenance Guide
into the ONT interfaces from the old NID ground or arcing connections of
the old wiring when lightning strikes occur.
• Never allow the ONT customer interfaces to be spliced to a primary station
protector or OSP wiring. Failure to do this can result in large surge currents
being driven into the ONT interfaces.
• Avoid running customer interface wiring near and parallel to AC wiring or
the ground wiring as lightning surges can get coupled into the ONT
interfaces.
!
CAUTION
Ensure the ONT is grounded before making any other connections.
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