User's Manual

3 Safety Information
Compliance and Safety Manual
3-8
Huawei Technologies Proprietary
Issue (2011-06-25)
DANGER
High voltage and AC operations, or operations on a steel tower and a mast are prohibited
during thunderstorm.
During thunderstorm, the electromagnetic field generated in the thunderstorm area may
damage the electronic parts. To prevent damage to the device during lightning, ground the
device properly.
3.2.3 Tools
WARNING
Suggestion: Dedicated tools must be used during high voltage and AC operations. Avoid using
ordinary tools.
3.2.4 High Electrical Leakage
WARNING
Ground the device before powering on the device. Otherwise, the personnel and device are in
danger.
If the "high electrical leakage" flag is stuck to the power terminal of the device, you must
ground the device before powering it on.
3.2.5 Power Cable
WARNING
Installation and removal of live line are prohibited. Transient contact between the core of the
power cable and the conductor may generate electric arc or spark, which may cause fire or eye
injury.

Before installing or removing the power cable, turn off the power switch.

Before connecting the power cable, confirm that the power cable and label comply with
the requirements of the actual installation.