Table of Contents

 1     Scope          
 2     References
 3     Definitions
        3.1     Terms defined elsewhere       
        3.2     Terms defined in this Recommendation           
 4     Abbreviations and acronyms             
 5     Conventions            
 6     Electromagnetic environmental parameters              
        6.1     Electrostatic voltage  
        6.2     Electrical fast transient/burst (EFT/B)
        6.3     Conducted radio-frequency voltages 
        6.4     Radio-frequency fields             
        6.5     d.c. voltages 
        6.6     16 2/3 Hz voltages     
        6.7     50 Hz/60 Hz voltages
        6.8     Audio frequency voltages       
        6.9     Surges             
       6.10     Voltage variation       
       6.11     Voltage fluctuation   
       6.12     Voltage interruption
       6.13     Audio frequency magnetic fields        
       6.14     Lightning electromagnetic pulse         
       6.15     Low frequency repetitive impulses   
 7     Characteristics of environments      
        7.1     Telecommunication centres (common features for class 1 and class 2)
        7.2     Class 3 – Outdoor locations    
        7.3     Class 4 – Customer premises 
 8     Characteristic severities of the environmental parameters  
Bibliography