Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 4-2: Timing characteristics of slave clocks suitable for synchronization supply to Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) equipment; Implementation Conformance Statement( ICS) proforma specification (Endorsement of the English version EN 300462-4-2 V 1.1.1 (1999-12) as German standard)
传输和多路复用(TM).同步网络的一般要求.第4-2部分:适用于同步数字体系(SDH)和准同步数字体系(PDH)设备同步供应的从时钟的定时特性;实现一致性状态