Fcc Part 15 - Arris Touchstone TG2472 User Manual

The shield of the coaxial cable must be connected to earth (grounded) at the entrance
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to the building in accordance with applicable national electrical installation 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 interactive 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.
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.
When the Telephony Gateway is connected to a local computer through Ethernet

cables, the computer must be properly grounded to the building/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.
Ensure proper ventilation. Position the Telephony Gateway so that air flows freely

around it and the ventilation holes on the unit are not blocked.
Do not mount the Telephony Gateway on surfaces that are sensitive to heat and/or

which may be damaged by the heat generated by the modem, its power supply, or other
accessories.

FCC Part 15

This equipment has been tested and found to comply with the requirements for a Class B
digital device under Part 15 of the Federal Communications Commission (FCC) rules.
These requirements are intended to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:
Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

WARNING
Changes or modifications to this equipment not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
Release 24 STANDARD 1.1 January 2015 Touchstone TG2472 Telephony Gateway User Guide 8
Chapter 2: Safety Requirements