SummaryAmendment 1 to Recommendation ITU-T G.9959 (2012) contains: • The relaxation of the transmitter frequency separation tolerance level from ±10% to ±20%, for all data rates. • The addition of a Logical Link Control (LLC) layer, in new clause 9. • The addition of a Segmentation and Reassembly (SAR) adaptation layer, in new clause 10. |