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     Universal power adapter solutions 
        6.1     Basic configuration    
        6.2     ICT devices usage with UPAs 
        6.3     Compatibility with powered ICT equipment    
 7     General requirements         
        7.1     Power adapter interface         
        7.2     Energy efficiency requirements           
        7.3     Safety and environmental requirements          
        7.4     EMC requirements    
        7.5     Resistibility requirements       
        7.6     Eco-environmental specification          
        7.7     Other requirements  
Annex A – DC output characteristics    
Appendix I – Trends and solutions to reduce the UPA category and adapt to DC voltage interfaces for renewable energy and batteries    
Appendix II – Efficiency trends in some regions    
       II.1     Europe             
       II.2     China
Appendix III – Possible evolution of DC connectors    
Appendix IV – Areas for further development    
Bibliography