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     Operating wavelength      
 7     X/S tolerance of G-PON ONU   
Appendix I – Example of WDM1 characteristics    
Appendix II – Examples of wavelength allocation for NGA services and  video distribution services    
       II.1     Introduction           
       II.2     Case 1: Integrated filter for video