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CUSTOMER WARNING
This manual is designed for use
by qualified service technicians
only. Technician qualification includes completion of an AT&T
hands-on instructor-led course covering installation and
maintenance for this product. Installation or maintenance of this
product by anyone other than a qualified service technician may
void the warranty. Hazardous electrical voltages are present
inside this product.
The exclamation point in an equilateral triangle is
intended to alert the user to the presence of
important operating and maintenance (servicing)
instructions in the literature accompanying the
product.
IMPORTANT SAFETY INSTRUCTIONS
When installing telephone equipment, always follow basic safety precautions
to reduce the risk of fire, electrical shock, and injury to persons, including:
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Read and understand all instructions.
Follow all warnings and instructions marked on or packed with the
product.
Never install telephone wiring during a lightning storm.
Never install a telephone jack in a wet location unless the jack is
specifically designed for wet locations.
Never touch uninsulated telephone wires or terminals unless the
telephone wiring has been disconnected at the network interface.
Use caution when installing or modifying telephone lines.
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