1     Scope           
 2     References 
 3     Definitions  
 4     Abbreviations and acronyms              
 5     Conventions              
 6     Introduction              
 7     Mappings based on normative methods       
        7.1     Single CPRI signal mapping into ODUk (k = 0, 1, flex(CBR))          
 8     Multiple CPRI option 3, 4 or 5 signal mapping into ODU2r       
        8.1     OPU2r overhead description   
        8.2     OPU2r payload mappings          
        8.3     PCS receiver    
        8.4     OTU2r structure            
        8.5     Bit rates and tolerances