Summary

Recommendation ITU-T G.709.3 specifies 100G, 200G and 400G FlexO Beyond 100G (B100G) long-reach interfaces. The Recommendation specifies the structure using forward error correction codes with a higher coding gain suitable for longer reach applications and references common elements from Recommendation ITU-T G.709.1 and FEC structures from Recommendation ITU-T G.709.2.

Edition 3 contains the following extensions to Edition 2.1:

–           Removal of FlexO-1-SC and FOIC1.k-SC interface

–           Move of OTUCn GMP mapping procedure to Recommendation ITU-T G.709.1