Device Safety
l Before operation, the device must be secured on the floor or other fixed objects, such as
the walls and the mounting racks.
l Do not block ventilation openings while the system is running.
l When installing the panel, tighten the screw with the tool.
1.2 Electricity Safety
High Voltage
DANGER
l The high voltage power supply provides power for running the system. Direct contact
with the high voltage power supply or contact through damp objects may result in fatal
danger.
l Non-standard and improper high voltage operations may result in fire and electric shock.
l The personnel who install the AC facility must be qualified to perform operations on high
voltage and AC power supply facilities.
l When installing the AC power supply facility, follow the local safety regulations.
l When operating the AC power supply facility, follow the local safety regulations.
l When operating the high voltage and AC power supply facilities, use the specific tools
instead of common tools.
l When the operation is performed in a damp environment, ensure that water is kept off the
device. If the cabinet is damp or wet, shut down the power supply immediately.
Thunderstorm
The following requirements are suitable only for the wireless base station or the device with an
antenna or GPS antenna.
DANGER
In a thunderstorm, do not perform operations on high voltage and AC power supply facilities
or on a steel tower and mast.
RRU3804
User Guide 1 Safety Information
Issue 01 (2007-11-29) Huawei Technologies Proprietary 1-3
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