Nera WILINK I System Manual page 5

Lithium Battery
Installation Codes: The equipment must be installed according to the latest
edition of the country national electrical codes. For North America, equipment
must be installed in accordance with the US National Electrical Code and the
Canadian Electrical Code.
Overcurrent Protection: A readily accessible Listed branch circuit overcurrent
protective device, rated 40A, must be incorporated in the building wiring.
CAUTION: This equipment is designed to permit connection between the earthed
conductor of the DC supply circuit and the grounding conductor at the
equipment. See installation instructions.
The equipment must be connected directly to the DC Supply System
grounding electrode conductor.
All equipment in the immediate vicinity must be grounded in the same way,
and not be grounded elsewhere.
The DC supply system is to be local, i.e. within the same premises as the
equipment.
There shall be no disconnect device between the grounded circuit conductor
of the DC source (return) and the point of connection of the grounding
electrode conductor.
Lithium Battery
The battery on the NPU card is not intended for replacement.
Caution
To avoid electrical shock, do not perform any servicing unless you are qualified to
do so.
Line Voltage
Before connecting this instrument to the power line, make sure that the voltage of
the power source matches the requirements of the instrument.
Radio
The instrument transmits radio energy during normal operation. To avoid
possible harmful exposure to this energy, do not stand or work for extended
periods of time in front of its antenna. The long-term characteristics or the
possible physiological effects of radio frequency electromagnetic fields have not
been yet fully investigated.
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WILINK I MODULAR BASE STATION SYSTEM MANUAL