Cisco Systems 8450HDC Manual De Usuario
iv
IMPORTANT SAFETY INSTRUCTIONS
Ground the Product
WARNING: Avoid electric shock and fi re hazard!
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.
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.
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:
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 NEC ANSI/NFPA 70)
by NEC ANSI/NFPA 70)
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with dry cloth.
7) Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8) Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatus (including
amplifi ers) that produce heat.
amplifi ers) that produce heat.
9) 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 are provided for your safety. If the provided
plug does not fi t into your outlet, consult an electrician
for replacement of the obsolete outlet.
one wider than the other. A grounding-type plug has two
blades and a third grounding prong. The wide blade or the
third prong are provided for your safety. If the provided
plug does not fi t into your outlet, consult an electrician
for replacement of the obsolete outlet.
10) Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
point where they exit from the apparatus.
11) Only use attachments/accessories specified by the
manufacturer.
12)
Use only with the cart, stand, tripod, bracket, or
table specifi ed by the manufacturer, or sold with
the apparatus. When a cart is used, use caution
table specifi ed by the manufacturer, or sold with
the apparatus. When a cart is used, use caution
when moving the cart/apparatus combination to avoid
injury from tip-over.
injury from tip-over.
13) Unplug this apparatus during lightning storms or when
unused for long periods of time.
14) Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as a power-supply cord or plug
is damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been
dropped.
damaged in any way, such as a power-supply cord or plug
is damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been
dropped.
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 company.
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 company.
The AC inlet on the unit must remain accessible and operable
at all times.
at all times.
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.
overhead power lines or power circuits. Touching power
lines or circuits might be fatal.