Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 5-2: Plesiochronous Digital Hierarchy (PDH) path layer functions; Implementation Conformance Statement (ICS) proforma specification (Endorsement of the English version EN 300417-5-2 V 1.1.1 (1999-08) as German Standard)
传输和多路复用(TM).设备传输功能的一般要求.第5-2部分:准同步数字体系(PDH)路径层功能;实施一致性声明(ICS)形式规范(英文版EN 300417-5-2 V 1.1.1(1999)的认可