SummaryAmendment 1 to Recommendation ITU-T G.987.1 (2010) includes: 1) text describing the operation of XG-PON with IEEE 1588; 2) use cases for XG-PON frequency and time-of-day synchronization; 3) transport of ESMC messages over PON; and 4) clarification of the reference optical configuration for XG-PON coexistence through splitters. |