Important safety instructions, Ground the product, Eliminate ac mains overloads – Cisco Explorer 8300 User Manual

Page 4: Outdoor grounding system, Protect the product from lightning, Prevent power cord damage, Provide ventilation and select a location

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Read These Instructions
Keep These Instructions
Heed All Warnings
Follow All Instructions

Power Source Warning

A label on this product indicates the correct power source for
this product. Operate this product only from an electrical outlet
with the voltage and frequency indicated on the product label.
If you are uncertain of the type of power supply to your home
or business, consult your service provider or your local power
The AC inlet on the unit must remain accessible and operable
at all times.

Ground the Product

WARNING: Avoid electric shock and

fi re hazard! Do not defeat the safety purpose of
the polarized or grounding-type plug. A polarized
plug has two blades with one wider than the other.
A grounding-type plug has two blades and a third
grounding prong. The wide blade or the third prong
is provided for your safety. If the provided plug does
not fi t into your outlet, consult an electrician for
replacement of the obsolete outlet.

If this product connects to coaxial cable wiring, be sure the
cable system is grounded (earthed). Grounding provides some
protection against voltage surges and built-up static charges.

Outdoor Grounding System

If this product connects to an outdoor antenna or cable system,
be sure the antenna or cable system is grounded (earthed).
This provides some protection against voltage surges and
built-up static charges.
Article 810 of the National Electric Code (NEC) ANSI/NFPA No.
70-1990, provides the following information:
• Grounding of the mast and supporting structure
• Grounding the lead-in wire to an antenna discharge unit
• Size of the grounding conductors
• Location of the antenna-discharge unit
• Connection to grounding electrodes
• Requirements for the grounding electrodes (see the

following antenna grounding diagram as recommended by

WARNING: Avoid electric shock and fi re

hazard! Do not locate an outside antenna system in
the vicinity of overhead power lines or power circuits.
Touching power lines or circuits might be fatal.


Protect the Product from Lightning

For added protection, unplug this apparatus during lightning
storms or when unused for long periods of time. In addition to
disconnecting the AC power from the wall outlet, disconnect the
signal inputs.

Verify the Power Source from the
On/Off Power Light

When the on/off power light is not illuminated, the apparatus
may still be connected to the power source. The light may go
out when the apparatus is turned off, regardless of whether it is
still plugged into an AC power source.

Eliminate AC Mains Overloads

WARNING: Avoid electric shock and fi re

hazard! Do not overload AC mains, outlets, extension
cords, or integral convenience receptacles. For
products that require battery power or other power
sources to operate them, refer to the operating
instructions for those products.

Prevent Power Cord Damage

Protect the power cord from being walked on or pinched,
particularly at plugs, convenience receptacles, and the point
where the cord exits from the apparatus.

Provide Ventilation and Select a Location

• Remove all packaging material before applying power to the


• Do not block any ventilation openings. Install in accordance

with the manufacturer’s instructions.

• Do not place this apparatus on a bed, sofa, rug, or similar


• Do not place this apparatus on an unstable surface.
• Do not install near any heat sources such as radiators, heat

registers, stoves, or other apparatus (including amplifi ers)
that produce heat.

• Do not install this apparatus in an enclosure, such as a

bookcase or rack, unless the installation provides proper

• Do not place entertainment devices (such as VCRs or

DVDs), lamps, books, vases with liquids, or other objects on
top of this product.