Summary

Amendment 1 to Recommendation ITU-T G.988 (2012) continues the maintenance and evolution of optical network unit (ONU) management and control interface (OMCI). A number of robustness improvements are included, along with corrections of editorial errors. Significant feature extensions include the alignment of xDSL services with Recommendation ITU-T G.997.1 (2012) and the addition of managed entities (MEs) and attributes in support of Ethernet passive optical network (EPON).