Table of Contents

 1     Scope          
 2     References
 3     Definitions
        3.1     Terms defined elsewhere       
 5     Conventions            
 6     Introduction and applications           
        6.1     FlexO-x-RS-m interface group considerations 
 7     Structure and processes     
        7.1     Basic signal structure
        7.2     Processing and information flow          
 8     FlexO frame             
        8.1     Frame structure          
        8.2     Multi-frame structure              
        8.3     Bit rates and frame periods    
 9     Alignment markers and overhead   
        9.1     Lane alignment markers          
        9.2     Overhead description
10     Mapping of OTUCn signal into n FlexO instances     
       10.1     Distributing OTUCn and combining OTUC instances   
       10.2     FlexO frame payload
       10.3     Mapping of OTUC into FlexO frame   
       10.4     FlexO-x-RS-m group alignment and deskewing             
11     100G FlexO-1-RS interface
       11.1     Frame structure         
       11.2     Bit rate and frame periods    
       11.3     Overhead     
       11.4     Scrambling   
       11.5     Forward error correction (FEC)            
       11.6     FOIC1.k-RS interface
12     200G FlexO-2-RS interface
       12.1     Frame structure         
       12.2     Bit rate and frame period      
       12.3     Overhead     
       12.4     Scrambling   
       12.5     Forward error correction (FEC)            
       12.6     FOIC2.k-RS interface
13     400G FlexO-4-RS interface
       13.1     Frame structure         
       13.2     Bit rate and frame periods    
       13.3     Overhead     
       13.4     Scrambling   
       13.5     Forward error correction (FEC)            
       13.6     FOIC4.k-RS interface
Appendix I –Example applications    
Bibliography