Huawei BTS3900 GSM Commissioning Manual page 14

1 Safety Information
Complying with the Local Safety Regulations
When operating the device, comply with the local safety regulations. The safety precautions
provided in the documents are supplementary. You must comply with the local safety
regulations.
General Installation Requirements
The personnel in charge of installation and maintenance must be trained and master the correct
operating methods and safety precautions before beginning work.
The rules for installing and maintaining the device are as follows:
l
l
l
l
Grounding Requirements
The following requirements are applicable to the device to be grounded:
l
l
l
Safety of Personnel
Ensure the following:
l
l
l
l
l
1-2
Only the trained and qualified personnel can install, operate and maintain the device.
Only the qualified specialists are allowed to remove the safety facilities, and repair the
device.
Any replacement of the device or part of the device (including the software) or any change
made to the device must be performed by qualified or authorized personnel of Huawei.
Any fault or error that might cause safety problems must be reported immediately to the
personnel in charge.
Ground the device before installation and remove the ground cable after uninstallation.
Do not operate the device in the absence of a ground conductor. Do not damage the ground
conductor.
The unit (or system) must be permanently connected to the protection ground before
operation. Check the electrical connection of the device before operation and ensure that
the device is reliably grounded.
When lightning strikes, do not operate the device and cables.
When lightning strikes, unplug the AC power connector. Do not use the fixed terminal or
touch the terminal or antenna connector.
NOTE
The previous two requirements are suitable for the wireless fixed terminal.
To prevent electric shock, do not connect safety extra-low voltage (SELV) circuits to
telecommunication network voltage (TNV) circuits.
To prevent laser radiation from injuring your eyes, never look into the optical fiber outlet
with unaided eyes.
To prevent electric shock and burns, wear the electrostatic discharge (ESD) clothing, gloves
and wrist strap, and remove conductors such as jewelry and watch before operation.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
BTS3900 GSM
Commissioning Guide
Issue 03 (2008-07-15)