CONTENTS

 1     Scope 
 2     References
 3     Definitions and abbreviations   
        3.1     Definitions        
        3.2     Abbreviations     
 4     Configuration and problems in a multiple‑Operator environment      
 5     Issues to be considered 
 6     Requirements 
        6.1     Classification of environment    
        6.2     General conditions        
        6.3     Safety   
        6.4     EMC requirements        
        6.5     Resistibility       
        6.6     Interface and port condition      
        6.7     Earthing and bonding     
 7     Procedure for countermeasures 
        7.1     Countermeasures against trouble 
        7.2     Safety   
        7.3     Emission and immunity  
        7.4     Resistibility       
Appendix I – Example for quality of DC power