Important Safety Instructions - Paradyne 7520 Technical Manual

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Important Safety Instructions

7520-A2-GN10-10
1. Read and follow all warning notices and instructions marked on the product
or included in the manual.
2. Slots and openings in the cabinet are provided for ventilation. To ensure
reliable operation of the product and to protect it from overheating, these
slots and openings must not be blocked or covered.
3. Do not allow anything to rest on the power cord and do not locate the product
where persons will walk on the power cord.
4. Do not attempt to service this product yourself, as opening or removing
covers may expose you to dangerous high voltage points or other risks. Refer
all servicing to qualified service personnel.
5. General purpose cables are provided with this product. Special cables, which
may be required by the regulatory inspection authority for the installation site,
are the responsibility of the customer.
6. When installed in the final configuration, the product must comply with the
applicable Safety Standards and regulatory requirements of the country in
which it is installed. If necessary, consult with the appropriate regulatory
agencies and inspection authorities to ensure compliance.
7. Input power to this product must be provided by one of the following: (1) a UL
Listed/CSA certified power source with a Class 2 or Limited Power Source
(LPS) output for use in North America, or (2) a certified power source with a
Safety Extra Low Voltage (SELV) output for use in the country of installation.
8. A rare phenomenon can create a voltage potential between the earth
grounds of two or more buildings. If products installed in separate buildings
are interconnected, the voltage potential may cause a hazardous condition.
Consult a qualified electrical consultant to determine whether or not this
phenomenon exists and, if necessary, implement corrective action prior to
interconnecting the products.
9. In addition, if the equipment is to be used with telecommunications circuits,
take the following precautions:
— Never install telephone wiring during a lightning storm.
— Never install telephone jacks in wet locations unless the jack is
specifically designed for wet locations.
— Never touch uninsulated telephone wires or terminals unless the
telephone line has been disconnected at the network interface.
— Use caution when installing or modifying telephone lines.
— Avoid using a telephone (other than a cordless type) during an electrical
storm. There may be a remote risk of electric shock from lightning.
— Do not use the telephone to report a gas leak in the vicinity of the leak.
December 1998
15

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