ARRIS TM722G-CT User Guide User Manual
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Avoid using and/or connecting the equipment during an electrical storm, to
avoid risk of electrocution.
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Do not use the telephone to report a gas leak in the vicinity of the leak.
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Do not locate the equipment within 6 feet (1.9 m) of a flame or ignition
source (i.e. heat registers, space heaters, fireplaces, etc.).
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Use only power supply and power cord included with the equipment.
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Equipment should be installed near the power outlet and should be easily
accessible.
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The shield of the coaxial cable must be connected to earth (grounded) at the
entrance to the building in accordance with applicable national electrical in-
stallation codes. In the U.S., this is required by NFPA 70 (National Electrical
Code) Article 820. In the European Union and in certain other countries,
CATV installation equipotential bonding requirements are specified in IEC
60728-11, Cable networks for television signals, sound signals and interac-
tive services, Part 11: Safety. This equipment is intended to be installed in
accordance with the requirements of IEC 60728-11 for safe operation.
If the equipment is to be installed in an area serviced by an IT power line
network, as is found in many areas of Norway, special attention should be
given that the installation is in accordance with IEC 60728-11, in particular
Annex B and Figure B.4.
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In areas of high surge events or poor grounding situations and areas prone
to lightning strikes, additional surge protection may be required (i.e.
PF11VNT3 from American Power Conversion) on the AC, RF, Ethernet and
Phone lines.
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When the Telephony Modem is connected to a local computer through USB
or Ethernet cables, the computer must be properly grounded to the build-
ing/residence AC ground network. All plug-in cards within the computer
must be properly installed and grounded to the computer frame per the
manufacturer’s specifications.
Touchstone TM722 Telephony Modem User’s Guide
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