Huawei V100R002C01 User Manual page 14

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User Guide
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Ground
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Power Supply
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Human Safety
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Operator
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Issue 04 (2014-03-05)
Tighten the thumbscrews by using a tool after initial installation and subsequent access to
the panel.
Do not damage the ground conductor or operate the device in the absence of a properly
installed ground conductor. Conduct the electrical inspection carefully.
The device must be connected permanently to the protection ground before an operation.
For AC-supplied models: The device applies to TN, TT, or IT power system.
For DC-supplied model: The device applies to DC power source that complies with the
Safety Extra-Low Voltage (SELV) requirements in IEC 60950-1 based safety standards.
Prepared conductors are connected to the terminal block, and only the appropriate AWG/
Type of wire is secured with the lug terminals.
For this device, a readily accessible disconnect device must be incorporated in the building
installation wiring.
For AC-supplied model: The plug-socket combination must be accessible at all times
because it serves as a main disconnect device.
The device is connected with several power supplies. To switch off it, disconnect all the
power supplies.
Do not operate the device or cables during lightning strikes.
Move or lift the chassis by holding its lower edge. Do not hold the handles on certain
modules such as power supply, fans, and boards because they cannot support the weight
of the device.
At least two persons are required to lift the chassis. When lifting it, keep your back straight
and move stably.
Do not look into the optical port without eye protection.
Do not wear jewelry or watches when you operate the device.
Only qualified professional personnel are allowed to install, configure, operate, and
disassemble the device.
Only the personnel authenticated or authorized by Huawei are allowed to replace or change
the device of the parts of the device (including the software).
Any fault or error that might cause safety problems must be reported immediately to a
supervisor.
Only qualified personnel are allowed to remove or disable the safety facilities and to
troubleshoot and maintain the device.
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