Reviewing safety precautions – Allied Telesis AT-2972T/2 User Manual
Page 22

Installing the Hardware
22
Reviewing Safety Precautions
Please review the following safety precautions before you begin to install 
the network adapter card. 
Note
The  indicates that a translation of the safety statement is 
available in a PDF document titled “Translated Safety Statements” 
(613-000405) on the Allied Telesis website at 
www.alliedtelesis.com.
Warning
This is a “Class 1 LED product”. L1
Warning
Do not stare into the laser beam. L2
Warning
Warning: Do not look directly at the fiber optic cable ends or inspect 
the cable ends with an optical lens.  E29
Warning
Do not work on this equipment or cables during periods of lightning 
activity.  E2
Warning
Operating Temperature: This product is designed for a maximum 
ambient temperature of 40 degrees C.  E7
Note
All Countries: Install this product in accordance with local and 
National Electric Codes.  E8
Warning
The adapter is being installed in a system that operates with
voltages that can be lethal. Before you remove the cover of your 
system, you must observe the following precautions to protect 
yourself and to prevent damage to the system components.
- Remove any metallic objects or jewelry from your hands and
