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Safety Instructions
B3980-A2-GB30-20 November 1996
Important Safety Instructions
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.
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.