YD 5003-1994. 1总则 1.0.1为了在电信专用房屋设计中贯彻适用、经济、在可能条件下注意美观的方针,以及做到技术先进、经济合理、安全实用、确保质量,特制定本规范。 1.0.2YD 5003适用于新建的电信综合局、长途电信局、市内电话局、长途干线载波(数字)站、微波站、移动通信站、地球站

YD 5006-2003.Designing Standard For Local Telephone Network Line Engineering. 1总则 1.0.1《本地电话网用户线路工程设计规范》(简称“术规范")适用手本地电话网用户线路工程设计、扩建、改建及其他电话线路工程,也可参照执

YD 5012-1995.Insulation Ob jective to Ground and Testing Method for Optical Cable Line. 1.总则 1.0.1YD 5012适用于长途通信干线光缆线路工程直埋光缆线路对地绝缘的竣工验收、日常维护及其组成构件绝缘性能

YD 5015-1995.Engineering Drawing and Graphical Symbols for Communication Projects Diagrams. 1.总则 1.0.1为了使电信工程的图纸做到规格统- -、画法- 致、图面清晰，符合施工、存档和生产维护要求，有利于

YD 5024-1996.SDH Optical Fiber Cable Trunk Transmission Project Designing Standard for Local Telephone Network. 1总则 1.0.1YD 5024适用于新建或扩建本地电话网局间同步数字系列(

YD 5017-1996.Technical Specification of Execution and Acceptance of Equipment Installation Engineering for Satellite Communication Earth Station. 1总则

YD 5016-1996.Technical Specifications for the Design of the Magazines and Newspapers Distribute Building. 1总则 1.0.1为使报纸、期刊分发设施(以下简称分发设施)设计符合生产要求，保证安全生

YD 5027-1996.Interim Provisions on Engineering Design of Centralized Monitoring and Control System for Telecommunication Power Supply. 1总则 1.0.1 YD 50

YD/T 1436-2006.Outdoor Power System for Telecommunications. 1范围 YD/T 1436规定了室外型通信电源系统(以下简称系统)的定义、分类、技术要求、结构要求、环境适应性要求、试验方法、检验规则以及标志、包装、运输和贮存。 YD/T 143

YD/T 1442-2006.The Technical Requirement for IPv6 - Address,Transition and Quality of Service. 1范围 YD/T 1442规定了IPv6协议的地址结构、IPv4向IPv6过渡 和IPv6网络QoS机制。 Y