TP48120A-HD15A1 & TP48120A-HD15A2 &
TP48200A-HD15A1 & TP48200A-HD15A2
Installation Guide
1 Safety Precautions
Issue 03 (2014-12-02)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Safety Precautions
1.1 General Safety Precautions
Ensure that the product is used in environments that meet its design specifications to
avoid damaging components and voiding the warranty.
Ensure that only trained and qualified personnel install, operate, and maintain Huawei
equipment.
Comply with local laws and regulations. The safety instructions in this document are
only supplements to local laws and regulations.
Do not operate the device or cables during thunderstorms.
Remove metal objects such as watches, bracelets, and rings when using the product.
Use insulated tools on the product.
Follow specified procedures during installation and maintenance.
Measure contact point voltage with an electric meter before touching a conductor surface
or terminal. Ensure that the contact point has no voltage or it is within the specified
range.
Note that the load may power off during maintenance or fault location if the power
system is not connected to a battery or if battery capacity is insufficient.
Store cables for at least 24 hours at room temperature before laying out them if they were
previously stored at sub-0º
C.
Routinely check installed equipment and perform maintenance according to the user
manual; replace faulty components quickly to ensure that the device works properly.
1.2 Electrical Safety
Grounding Requirements
When installing a device, install the ground cable first. When removing a device, remove
the ground cable last.
Before operating a device, ensure that the device is properly grounded.
AC and DC Operation Requirements
