3Com Router Safety, Regulatory, and Compliance Information
17
3. Safety Information
Overview
This section introduces part of the safety precautions that should be followed during the
installation and maintenance of the 3Com Router 3000, 3000 DSL, 5000, and 6000 Family.
Note:
Before any operation is performed, please read the operation instructions and precautions
carefully to minimize the possibility of accidents. The
Note, Caution, Warning and Danger
items
in other manuals do not cover all safety precautions that should be followed. They are only the
supplements to the safety precautions for operations as a whole. Therefore, the personnel in
charge of the installation and maintenance of the 3Com products are required to understand
these basics of safety operation.
In performing various operations, please follow the local safety regulations. The safety
precautions introduced in the product manuals are supplementary and subject to the local safety
regulations.
When various operations are executed on the products, the precautions and special safety
instructions provided by 3Com must be followed to the full.
The personnel in charge of the installation and maintenance of the 3Com products must be
trained as to r the proper operating methods and all safety precautions. Only the trained and
qualified personnel can perform operations such as equipment installation and maintenance.
Conventions Used
The symbols in this manual are shown in the following table. They are used to remind the
reader of the safety precautions during equipment installation and maintenance.
Table 1-1
Safety symbol and description
Safety Symbol
Description
Generic alarm symbol: To suggest a general safety
concern.
ESD protection symbol: To suggest electrostatic-
sensitive equipment.
Electric shock symbol: To suggest a danger of high
voltage.
Safety precautions are classified into the following levels:
Danger, Warning, Caution and Note.
Danger: Suggests the possibility of a fatal accident or body injury if safety precautions are
ignored.
Warning
: Suggests the possibility of a major accident or severe injury, or equipment damage, if
safety precautions are ignored.
Caution
: Suggests the possibility of a severe injury, or that the equipment may be damaged, if
safety precautions are ignored.
Note
: Suggests the possibility of an injury or equipment damage, if safety precautions are
ignored.