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     Characteristics and performance of the system   
        6.1     Characteristics and performance of the digital line sections (DLS) 
        6.2     Characteristics and performance of the optical sections 
        6.3     System reliability performance  
        6.4     System capacity upgradeability 
 7     Characteristics and performance of the TTE 
        7.1     General
        7.2     Transmission performance  
        7.3     Actions consequent to an alarm   
        7.4     Automatic switching 
 8     Characteristics and performance of the submarine cable  
        8.1     Dispersion mapping 
        8.2     Dispersion management implementation  
Annex A – Implementation of repeaterless optical fibre submarine cable systems    
        A.1     Introduction  
        A.2     System configuration  
        A.3     Characteristics of the line signal
        A.4     System operation  
        A.5     Passive branching unit characteristics 
Annex B – Repeaterless optical fibre submarine cable systems using ROPA: Optical power budget between optical reference points S  and R and line monitoring    
        B.1     Remote optically pumped amplifiers (ROPAs) 
        B.2     Optical power budget for systems using ROPA  
        B.3     Line monitoring for pumping portion  
Bibliography