Transmission and Multiplexing (TM); Generic requirements of transport functionality of equipment; Part 2-1: Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section layer functions
传输和多路复用(TM);设备运输功能的一般要求;第2-1部分:同步数字体系(SDH)和准同步数字体系(PDH)物理层功能
发布日期:
1997-04-01
基于第1-1部分中描述的一般原则,所有类型设备上SDH接口物理层的功能要求。
Functional requirements for physical layers of SDH interfaces on all types of equipment based on the generic principles described in part 1-1.