User's Manual

Compliance and Safety Manual
3 Safety Information
Issue (2011-06-25)
Huawei Technologies Proprietary
3-5
3.1 Overview
3.1.1 Safety Precautions
This section describes the safety precautions to be taken before installing and maintaining the
Huawei device.

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 access restricted 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.

This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures: