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Hersteller: Cisco Systems Dateigröße: 875.22 kb Dateiname: hdc4550_qrguide.pdf Unterrichtssprache:

20070131 SysInstaller 820 US/Canada/Intl Note to System Installer CAUTION: To reduce the risk of electric shock, do not remove cover (or back).No user-serviceable parts inside. Refer servicing to qualified service personnel. WARNING TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. For this apparatus, the coaxial cable shield/screen shall begrounded as close as practical to the point of entry of the cableinto the building.For products sold in the US and Canada, thisreminder is provided to call the system installer's attention toArticle 820-93 and Article 820-100 of the NEC (or Canadian Electrical Code Part 1), which provides guidelines for propergrounding of the coaxial cable shield. This symbol is intended to alert you that uninsulated voltagewithin this product may have sufficient magnitude to cause electric shock.Therefore, it is dangerous to make any kind ofcontact with any inside part of this product. Ce symbole a pour but d’alerter toute personne qu’un contactavec une piece interne de ce produit, sous tension et non isolee,pourrait etre suffisant pour provoquer un choc electrique. Il est donc dangereux d’etre en contact avec toute piece interne dece produit. This symbol is intended to alert you of the presence of important operating and maintenance (servicing) instructions in the literature accompanying thisproduct. Ce symbole a pour but de vous avertir qu’une documentation importantesur le fonctionnement et l’entretien accompagne ce produit. IMPORTANT SAFETY INSTRUCTIONS 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 company. The AC inlet on the unit must remain accessible and operable at all times. Ground the Product WARNING: Avoid electric shock and fire 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 fit 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 ANSI/NFPA 70) WARNING: Avoid electric shock and fire 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 For added protection, to disconnecting AC power from 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 goes 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 fire 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 • 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 surface. • 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 amplifiers) that produce heat. • Do not install this apparatus in an enclosure, such as a bookcase or rack, unless the installation provides proper ventilation. • Do not place entertainment devices (such as VCRs or DVDs), lamps, books, ...

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