YD 5102-2005 长途通信光缆线路工程设计规范
YD 5102-2005.Specifications of Engineering Design for Long-haul Optical Fiber Ca...
行业标准2023.08.01
YD 5002-1994 邮电建筑防火设计标准
YD 5002-1994.Design Standard for Fire Protection of Posts & Communications B...
行业标准2023.08.01
YD 5023-1996 用户接入网工程设计暂行规定
YD 5023-1996.The Engineering Design Standard for the User Access Network.1总则1.0....
行业标准2023.08.01
YD 5022-1996 公用分组交换数据网工程设计规范
YD 5022-1996.Design Code for Public Packet Switched Data Network Engineering.1总则...
行业标准2023.08.01
YD 5026-1996 长途通信传输机房铁架槽道安装设计标准
YD 5026-1996.Installation and design standard for cabling duct in the transmissi...
行业标准2023.08.01
YD 5013-1995 邮件处理中心工程设计规范
YD 5013-1995.Technical Specific ltlons for the Desigo o{ the Posts Center Projec...
行业标准2023.08.01
YD 5014-1995 数字复用设备安装工程施工及验收技术规范(PDH 部分)
YD 5014-1995.Technical specification of digital multiplxer equipment installatio...
行业标准2023.08.01
YD 5019-1996 同步数字系列(SDH)微波接力通信系统工程设计暂行规定
YD 5019-1996.Temporary Specifications of Engineering Design for Synchronous Digi...
行业标准2023.08.01
YD 5020-1996 数字同步网工程设计暂行规定
YD 5020-1996.Standards of Engineering Design fσr Digital Synchronization Network...
行业标准2023.08.01
YD 5041-1997 传真存储转发业务网工程设计暂行规定
YD 5041-1997.Interim Provisions on Engineering Design for Service Network for Fa...
行业标准2023.08.01