CONTENTS

 1 Scope 
2 References 
3 Terms and definitions       
        3.1 Terms defined elsewhere    
4 Abbreviations   
5 Classification of optical interfaces 
        5.1 Applications          
        5.2 Reference points    
        5.3 Nomenclature        
        5.4 Single-channel interfaces at the reference points S_S and R_S
6 Transverse compatibility   
7 Parameter definitions        
        7.1 General information
        7.2 Interface at point S_S
        7.3 Optical path parameters (single span) from S_S to R_S
        7.4 Interface at point R_S
8 Parameter values 
9 Optical safety considerations        
Appendix I – Number of OADMs supported in a link     
        I.1      Introduction         
        I.2 Maximum channel insertion loss    
        I.3      Maximum ripple   
        I.4 Maximum chromatic dispersion    
        I.5 Reflections           
        I.6 Maximum differential group delay 
        I.7 Maximum interferometric crosstalk           
Bibliography