1.2  
safety information and warnings 
 

General conditions  
 •   Work on communication systems and devices may only be carried out by qualified persons. For the purposes of safety information and warnings, qualified persons are persons who are authorized to place into operation, ground, and label systems, devices, and lines in accordance with applicable safety procedures and standards.
 •   It is absolutely essential that you read and understand the following safety information and warnings before starting installation and implementation work on the communication system or device. You should also carefully read and observe all safety information and warnings on the communication systems and devices themselves.
 •   Familiarize yourself with emergency numbers.
 •   Always consult a supervisor before starting work in conditions where the necessary safety precautions do not appear to be in place.

Types of safety information and warnings  
The following grades of safety information/warnings are used in this service documentation:
DANGER  
Indicates an immediate danger that could result in death or serious injury.  
WARNING  
Indicates a general danger that could result in death or serious injury.  
CAUTION  
Indicates a danger that could result in injury.  
NOTE  
Indicates a situation that could result in damage to property and/or loss of data.  

Symbols for specifying the source of danger more exactly  
The following symbols are not usually used in the manual. They explain symbols that may be depicted on the communication systems and equipment.
 Electricity  
 Weight  
 Heat  
 Fire  
 Chemicals  
 ESD*  
 Laser  
* electrostatically sensitive devices

HiPath 3000/5000 V9, Service Documentation, Issue 10   up Top
Disclaimer & Copyright   ID: P31003H3590S100017620   2014-02-27