YD/T 2789.3-2016.  Technical requirements and testing methods for biling performance of billing system of digital cellular mobile telecommunicati

YD/T 2620.1-2015.General technical requirements for evolved mobile packet core (EPC) network- Part 1: E-UTRAN access. 1范围 YD/T 2620.1规定了与E-UTRAN接入相关的基

YD/T 2616.8-2016.Technical requirements for passive optical network (PON) management Part 8: EMS-NMS interface information model based on IDLIOP. 1范围

YD/T 2593-2016.Technical requirements for multimode single standby user equipment of TD-LTE/TD-SCDMA/GSM (GPRS). 1范围 YD/T 2593规定了TD-LTE/TD-SCDMA/GSM (

YD/T 2584-2015.Security protection requirements for the Internet data center. 1范围 YD/T 2584规定了互联网数据中心(IDC) 分安全保护等级的安全防护要求，涉及到业务安全、网络安全、主机安全、中间件安全、物理安全

YD/T 2585-2016.Security protection testing requirements for the internet data center. 1范围 YD/T 2585规定了互联网数据中心(IDC) 分安全保护等级的安全防护检测要求，涉及到IDC自身的业务安全、网络安全

YD/T 2583.4-2016.Requirement and measurement methods of electromagnetic compatibility for cellular mobile telecommunications equipment Part4: Multi-St

YD/T 2583.3-2016.Requirements and measurement methods of electromagnetic compatibility for cellular mobile telecommunications equipment - Part 3: Mult

YD/T 2583.2-2015.Requirements and measurement methods of electromagnetic compatibility for cellular Mobile telecommunications equipment Part 2: genera

YD/T 2575-2016.Technical requirements for user equipment of TD-LTE digital cellular mobile telecommunication network (Phase1). 1范围 YD/T 2575规定了TD-LTE数

YD/T 2572-2015.TD-LTE digital cellular mobile telecommunication network-Test method of eNodeB Equipment ( Phase 1 ). 1范围 YD/T 2572规定了TD-LTE数字蜂窝移动通信网第-

YD/T 2555-2013.Distribution equipments of 240V direct current power supply for telecommunications. 1范围 YD/T 2555规定了通信用240V直流供电系统配电设备的产品组成、技术要求、试验方法、检验