SDH数字传输分析仪校准规范
Specification for calibration of SDH digit transmission analyzer
ETSI ETS 300 417-2-2
Transmission and Multiplexing (TM); Generic requirements of transport functionality of equipment; Part 2-2: Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section layer functions; Implementation Conformance Statement (ICS) proforma specification
传输和多路复用（TM）；设备运输功能的一般要求；第2-2部分:同步数字体系（SDH）和准同步数字体系（PDH）物理层功能；实施一致性声明（ICS）形式规范
1997-11-01
ETSI EN 300 417-2-2
Transmission and Multiplexing (TM); Generic requirements of transport functionality of equipment; Part 2-2: Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section layer functions; Implementation Conformance Statement (ICS) proforma specification
传输和多路复用（TM）；设备运输功能的一般要求；第2-2部分:同步数字体系（SDH）和准同步数字体系（PDH）物理层功能；实施一致性声明（ICS）形式规范
1999-05-01
DIN EN 300417-2-2
Transmission and Multiplexing (TM) - Generic requirements for transport functionality of equipment - Part 2-2: Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section layer functions; Implementation Conformance Statement (ICS) proforma specification (Endorsement of the English version EN 300417-2-2 V 1.1.4 (1999-05) as German Standard)
传输和多路复用（TM）.设备传输功能的一般要求.第2-2部分:同步数字体系（SDH）和准同步数字体系（PDH）物理段层功能；实施一致性声明（ICS）形式规范（Endorseme）
2000-06-01
DIN EN 300462-4-2
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