CONTENTS

 1     Scope 
 2     References 
        2.1     General references 
        2.2     References in clauses 6, 7 and 9     
 3     Terms and definitions       
 4     Abbreviations and acronyms        
 5     Parameters of system elements     
        5.1     Transmitter parameters      
        5.2     Submarine cable parameters          
        5.3     Submarine repeater parameters      
        5.4     Cable joint parameters       
        5.5     Receivers parameters         
 6     Optical network topology
        6.1     Point to point         
        6.2     Star 
        6.3     Branched star        
        6.4     Trunk and branch  
        6.5     Festoon  
        6.6     Ring 
        6.7     Branched ring        
 7     System design considerations       
        7.1     Optical power budget        
        7.2     Dispersion considerations   
 8     Forward error correction 
 9     Reliability consideration    
        9.1     Reliability requirement        
        9.2     Internal fault           
        9.3     External fault          
        9.4     Fault localization    
10     Upgradability considerations