Huawei AR120&AR150&AR160&AR200&AR510
Series Enterprise Routers
Safety and Regulatory Compliance Information
3 Safety Information
Issue 06 (2015-05-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
23
Before performing an operation, read the operation instructions and precautions to be
taken, and follow them to prevent accidents. The Caution, Warning and Danger items in
other documents do not cover all the safety precautions that must be followed. They are
only supplementary information. The installation and maintenance personnel need to
understand the basic safety precautions to be taken.
When operating the device, obey the local safety regulations. The safety precautions
provided in the documents are supplementary and shall be in compliance with the local
safety regulations.
When operating the Huawei device, in addition to the precautions, follow the specific
safety instructions given by Huawei.
The installation and maintenance personnel must receive training in safety precautions.
Only qualified personnel can install or maintain the device.
3.1.2 General Requirements
To minimize the technically residual risk, it is imperative to obey the following rules. Read all
the instructions before operation.
Installation
The device (or system) must be installed or used in the restricted access location.
Be care the hot surface when the device is operating. When touching the surface or
operating the handle of the device by hands, wear gloves to protect your hands from
scalding.
Before operation, the device must be fixed securely on the floor or to other reliable
objects, such as the walls and the mounting racks.
When installing the unit, always make the ground connection first and disconnect it at
the end.
Do not block the ventilation while the device is running. Keep a minimum distance of 5
cm from the ventilation to the walls or the other objects that block the ventilation.
Tighten the thumbscrews by using a tool after both initial installation and subsequent
access to the panel.
Ground
Do not damage the ground conductor or operate the device in the absence of well
installed ground conductor. Conduct the appropriate electrical inspection.
The device (or system) must be connected permanently to the protection ground before
an operation. The cross sectional area of protective ground conductor shall be at least 1.0
mm².
Power Supply
For AC supplied model: The socket-outlet shall be installed near the equipment and shall
be easily accessible.
For AC supplied model: The device applies to TN, TT power systems.
Prepared conductors are connected to the terminal block, and only appropriate
AWG/Type of wire is secured in the listed lug terminals.
This device relies on the building’s installation for short-circuit (overcurrent) protection.
Ensure that a fuse or circuit breaker no larger than 240 V AC, 20 A for AC supplied
model.
