Table of Contents

 1     Scope          
        1.1     Equipment covered by this Recommendation
        1.2     Additional requirements          
 2     References
 3     Definitions 
        3.1     Terms defined elsewhere        
        3.2     Terms defined in this Recommendation            
 4     Abbreviations and acronyms             
 5     Safety criteria for telecommunication network infrastructure equipment    
        5.1     General requirements               
        5.2     Special requirements 
Appendix I – Cross-reference between Recommendation ITU-T K.51, IEC 60950-1 and IEC 62368- 1    
Bibliography