III
Important Safeguards and Warnings
The following description is the correct application method of the device. Read the Guide
carefully before use, in order to prevent danger and property loss. Strictly conform to the Guide
during application and keep them properly after reading.
Operating Requirement
Do not place and install the device in an area exposed to direct sunlight or near heat
generating device.
Do not install the device in a humid, dusty or fuliginous area.
Keep its horizontal installation, or install it at stable places, and prevent it from falling.
Do not drip or splash liquids onto the device; don’t put on the device anything filled with
liquids to prevent liquids from flowing into the device.
Install the device at well-ventilated places; do not block its ventilation opening.
Use the device only within rated input and output range.
Do not dismantle the device arbitrarily.
The device shall be used with screened network cables.
Power Requirement
Use electric wires (power wires) recommended by this area, which shall be used within its
rated specification!
Use power supply that meets SELV (safety extra low voltage) requirements, and supply
power with rated voltage that conforms to Limited Power Source in IEC60950-1. For
specific power supply requirements, refer to device labels.
Appliance coupler is a disconnecting device. During normal use, keep an angle that
facilitates operation.
Do not cut off power supply during device upgrade. Power supply can be cut off only after
the device has completed upgrade and has rebooted.
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