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GB/T 51281-2018
Synchronous Digital Hierarchy (SDH) Optical Fiber Transmission System Engineering Acceptance Criteria
同步数字体系(SDH)光纤传输系统工程验收标准 - 中英文版
GB/T 15409-2008
Frame structure for Synchronous Digital hierarchy signal
同步数字体系信号的帧结构 - 中英文版
GB/T 16712-2008
Characteristics of Synchronous Digital hierarchy (SDH) equipment functional blocks
同步数字体系(SDH)设备功能块特性 - 中英文版
GB/T 15940-2008
Basic multiplexing structure for Synchronous Digital hierarchy signals
同步数字体系信号的基本复用结构 - 中英文版
GB/T 14731-2008
Synchronous Digital hierarchy (SDH) bit rates
同步数字体系(SDH)的比特率 - 中英文版
GB/T 16814-2008
Methods of measurement for Synchronous Digital Hierarchy (SDH) optical fiber cable line system
同步数字体系 (SDH) 光缆线路系统测试方法 - 中英文版
GB/T 15941-2008
Requirements for Synchronous Digital hierarchy (SDH) Optical Fiber Cable Line Systems
同步数字体系(SDH)光缆线路系统进网要求 - 中英文版
GB/T 20185-2006
Optical interface requirements for equipments and systems relating to the Synchronous Digital hierarchy
同步数字体系设备和系统的光接口技术要求 - 中英文版

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