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Precautions
Safety Precautions
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To ensure safety of humans and the equipment, pay attention to the safety symbols on the equipment and all the
safety instructions in this document. The "NOTE", "CAUTION", and "WARNING" marks in this document do not
represent all the safety instructions. They are only supplements to the safety instructions. When operating
Huawei equipment, in addition to following the general precautions in this document, follow the specific safety
instructions given by Huawei. Huawei will not be liable for any consequences that are caused by the violation of
safety regulations and design, production, and usage standards.
Local Safety Regulations
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When operating Huawei equipment, you must follow the local laws and regulations.
Personnel Requirements
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1. Only trained and qualified personnel are allowed to install, operate, and maintain Huawei equipment, and they
must understand basic safety precautions to avoid hazards.
2. You can modify default parameters only after being granted approval from Huawei technical support.
Symbols
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Alerts you to a potentially hazardous situation that could, if not avoided, result in equipment damage, data loss,
performance deterioration, or unanticipated results.
Provides additional information to emphasize or supplement important points in the main text.
Human Safety
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1. Before performing any operation, carefully read this document.
2. To prevent electric shocks, get tools insulated and wear insulated gloves when connecting cables.
3. To prevent personal injury, wear protective shoes when moving batteries.
4. In case of fire, use a dry power fire extinguisher to put out the fire. Using a fluid fire extinguisher may cause
electric shocks.
5. Do not touch uninsulated battery terminals. Otherwise, electric shocks may occur.
6. Using incorrect battery models may cause explosion. Dispose of used batteries by following the instructions.
7. Cut off power supply and remove all metal objects such as watches and rings before maintenance.
8. When connecting cables, first connect cables to the cable distribution box and the UPS, and then insert the
cables to terminals on the battery cabinet. When removing cables, first disconnect the cables from the
battery cabinet, and then cables from the cable distribution box and the UPS.
9. Do not move a battery pack by holding its mounting brackets, front panel, or fuse cover. Because the
battery pack is heavy, several persons are required to move it in compliance with safety regulations.
< 18 kg (< 40 lb)
18–32 kg (40–70 lb)
32–55 kg (70–120 lb)
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Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved.
> 55 kg (> 120 lb)
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