Transmission and Multiplexing (TM); Generic requirements of transport functionality of equipment; Part 1-1: Generic processes and performance
传输和多路复用(TM);设备运输功能的一般要求;第1-1部分:通用过程和性能
Generic functional requirements for all types of SDH equipment based on a functional decomposition approach with rules for combining functions to form equipment. Specific layers are described in part 2 to 8.