1    
Scope             
 2    
References    
 3    
Definitions    
        3.1    
Terms defined elsewhere 
 4    
Abbreviations              
 5    
Convention  
 6    
Applications 
 7    
Reference configuration            
        7.1    
Unidirectional applications             
        7.2    
Bidirectional applications               
 8    
Transverse compatibility           
 9    
Parameter definitions 
        9.1    
General information         
        9.2    
Interface at point SS        
        9.3    
Optical path parameters (single span) from SS to RS 
        9.4    
Interface at point RS       
10    
Reliability of submarine system             
11    
Characteristics and performance of submarines cables    
12    
Optical safety considerations  
Bibliography