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Precautions
Personnel Requirements
1. Only trained and qualified personnel are allowed to install, operate, and maintain Huawei equipment, and they must
understand basic safety precautions.
2. You can modify default parameters only after being granted approval from Huawei technical support.
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Human Safety
1. To prevent electric shocks, get tools insulated and wear insulation gloves when connecting cables.
2. In case of fire, use a dry power fire extinguisher to put out the fire. Using a fluid fire extinguisher may cause electric shocks.
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Safety Precautions
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 " DANGER", "WARNING ", "CAUTION", "NOTICE", and, "NOTE " 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.
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Local Safety Regulations
When operating Huawei equipment, you must follow the local laws and regulations.
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Symbols
Copyright © Huawei Technologies Co., Ltd. 2014. All rights reserved.
Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage,
data loss, performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to personal injury.
Calls attention to important information, best practices and tips.
NOTE is used to address information not related to personal injury, equipment damage, and
environment deterioration.
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
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