YD/T 1260-2003.Technical and Testing Specification of Virtual LAN Based on Port (VLAN). 1范围 当前虚拟局城网(VLAN) 有基于物理端口、基于IP地址以及基于MAC地址等方式。本标准规定了基于物理端口的虛拟局域

YD/T 1642-2009.Test Method of Internet Network and Service Quality. 1范围 YD/T 1642规定了互联网网络和业务服务质量的测试方法，包括互联网网络质量以及WWW业务、Email业务、FTP 业务的服务质量测试方法，互联网其他业务

YD/T 5182-2009.Provisional Specification of Mobile Basestation Design for The Third Generation. 1总则 1.0.1 YD/T 5182是对已发布的有关移动通信网工程基站设计规范和标准的补充。在进行移动通信

YD 5018-2005.Engineering Design Specification for Fiber Optic Submarine Cable Transmission System. 1总则 1.0.1 YD 5018适用于新建海底光缆数字传输系统(以下简称“海缆系统”)的工程设计。改

YD 5018-2005.Engineering Design Specification for Fiber Optic Submarine Cable Transmission System. 1总则 1.0.1 YD 5018适用于新建海底光缆数字传输系统(以下简称“海缆系统”)的工程设计。改

YD/T 1258.1-2003.The series of indoor optical fibre cables part 1: general. 1范围 YD/T 1258《室内光缆系列》YD/T 1258.1规定了室内光缆的分类、结构、技术要求和试验方法。 YD/T 1258.1适用于《室内

YD 5112-2008.Temporary Specification of Engineering Design for 2GHz TD-SCDMA Digital Cellular Mobile Communication System. 1总则 1.0.1YD 5112规定适用于2GHz T

YD 5111-2009.Temporary Specification of Engineering Design for 2GHz WCDMA Digital Cellular Mobile Communication System. 1总则 1.0.1 YD 5111规定适用于2GHz WCD

YD 5110-2009.Temporary Specifications of Engineering Design for 800 MHz/2 GHz cdma2000 Digital Cellular Mobile Communication System. 1总则 1.0.1 YD 5110

YD/T 1258.2-2003.The series of indoor optical fibre cables part 2: single-fibre optical cable. 1范围 YD/T 1258.2规定了室内用单芯光缆(以下简称光缆)的产品分类和命名、要求、试验方法、检验规则、