User's Manual

Compliance and Safety Manual
3 Safety Information
Issue (2011-06-25)
Huawei Technologies Proprietary
3-7

Only qualified and skilled personnel must install, configure, and disassemble the device.

Only the personnel authorized must operate the device.

Any replacement or change to the device or parts of the device (including the software)
must be done by qualified or authorized personnel of Huawei.

Any fault or error that might cause safety problems must be reported immediately to the
person in charge.

Only qualified personnel must remove or disable the safety facilities, or to troubleshoot
and maintain the device.

Ensure that the instructions provided in this document are followed completely. The
document also provides guidelines in selecting the measuring and testing device.
3.2 Electricity Safety
3.2.1 High Voltage
DANGER
The high voltage power supply offers power for the device operation. Direct or indirect
contact (through damp objects) with high voltage and AC mains supply may result in fatal
danger.

During the installation of the AC power supply facility, follow the local safety
regulations. The personnel who install the AC facility must be qualified to perform high
voltage and AC operations.

Do not wear conductive articles, such as watches, hand chains, bracelets and rings during
the operation.

When water is found in the rack or the rack is damp, switch off the power supply
immediately.

When the operation is performed in a damp environment, make sure that the device is
dry.
WARNING
Non-standard and improper high voltage operations may result in fire and electric shock.
Therefore, you must obey the local rules and regulations when bridging and wiring AC cables.
Only qualified personnel must perform high voltage and AC operations.
3.2.2 Thunderstorm