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     Reference configuration      
 6     Protections of DBS  
        6.1     Protection need           
        6.2     RRU protection            
        6.3     Protection of rectifier 
        6.4     The need of feeder SPD             
 7     Bonding of DBS        
        7.1     Bonding RRU and protection module    
        7.2     DC power cable            
        7.3     Bonding configuration of protection module at rectifier side      
        7.4     BBU bonding  
        7.5     Bonding of optical fibre cable  
Appendix I – Isolated protection solution: Example    
Appendix II – Assessment of the energy delivered to clamping type SPC  used in RRU protection module