User's Manual

66xx/67xx Router Users Guide 3
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 housing 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 used with this product for connection to the network.
Special cables, which may be required by the regulatory inspection authority for the
installation site, are the responsibility of the customer. Use a UL Listed, CSA certified,
minimum No. 24 AWG line cord for connection to the Digital Subscriber Line (DSL)
network.
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. 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.
8. 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 transformer, with a Safety Extra Low Voltage
(SELV) output having a maximum of 240 VA available, for use in the country of
installation.
9. In addition, since 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.