YD/T 1573-2007.Test Specification of Base Station Subsystem(BSS)for 2GHz cdma2000 Digital Cellular Mobile Communication Network. 1范围 YD/T 1573规定了2GHz

YD/T 1577-2007.Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Networks:High Rate Packet Data (HRPD) (Phase I) Air Int

YD/T 5179-2009.Acceptance Specification of Network Management System for Optical Fiber Cable Telecommunication Project. 总则 1.0.1YD/T 5179是光缆通信工程网管系统的工

YD/T 1636-2007.Architecture and General Requirements for Fiber to the Home. 1范围 YD/T 1636规定了光纤到户(FITH, Fiber To The Home )的体系架构及总体要求,包括FTTH系统的体系架构、网络拓

YD/T 1638-2007.Technical Specification for IPv4 Networks and IPv6 Networks Inter-networking Between Networks. 1范围 YD/T 1638规定了不同运营商的IPv4网络与IPv6 网络进行互联

YD/T 1633-2007.Test Methods of Electromagnetic Compatibility on-Site. 1范围 YD/T 1633规定了在设备安装现场进行测试时的性能判据、骚扰和抗扰度等的电磁兼容性测量方法。 YD/T 1633适用于由于不便运输或要求特定环境条件

YD/T 1634-2007.Optical Transport Network Physical Layer Interfaces. 1范围 YD/T 1634规定了可以应用WDM技术的光网络物理层域间接口(IrDI) 技术要求，主要包括光传送网(OTN)物理层接口分类、接口兼容能力、光接口参数的

YD/T 1635-2007.Technical Requirements for IPv6 network - IPv6 Tunneling Technology with private network addresses through NAT devices. 1范围 YD/T 1635规定

YD/T 1640-2007.Technical Specification for Softswitch and Digital Trunking Mobile Communication System Inter-working between Networks. 1范围 YD/T 1640主要

YD/T 1641-2007.Technical Specification for Internet Network Service Quality. 1苑圈 YD/T 1641规定了互联网络和业务服务质量技术要求，主要包括互联网络和互联网wwW业务、B-mail业务、FTP业务的服务质量技术要求