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Safety Precautions
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This device is an indoor unit and therefore, must not be installed outdoors. Ethernet cabling must be
routed only indoors and must not exit the building.
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The device must be installed and serviced only by qualified service personnel.
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Do not open or dismantle the device.
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Do not expose the device to water or moisture.
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Make sure the device is installed in a well-ventilated location to avoid over heating of internal
components and subsequent damage.
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Do not place any object on top of the device and make sure that sufficient clearance from the top and
sides are maintained to ensure proper airflow to avoid over heating of internal components.
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Operate the device in an ambient temperature (Tma) that does not exceed 40°C (104°F).
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The device must be installed only in restricted access locations.
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Use only the supplied AC power cord for connection to the power source.
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The device must be connected to an electrical socket-outlet providing a protective earthing connection.
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Operate the device only from the type of power source indicated on the chassis.
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Installation of the device must be in accordance with national wiring codes and conform to local
regulations.
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The device must be installed only in telecommunication sites in compliance with ETS 300-253
requirements "Earthing and Bonding of Telecommunication Equipment in Telecommunication
Centers".
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Prior to installation, earth loop impedance test must be performed by a certified electrician to ensure
grounding suitability at the power outlet intended to feed the device. It is essential that impedance is
kept below 0.5 ohms.
