GA/T 974.20-2011.Codes for the fire information-Part 20 :Condition codes for fire administration license of public gathering location.1范围GA/T 974.20规定了公众聚集场所消防...
YD 5153-2007.Interim Provision on Fixed Softswitch Network Engineering Design.1总则1.0.1YD 5153规定适用于同一电信业务经营者的固定软交换网(含本地网和长途网...
YD 5158-2007.Provisional Specification of Engineering Design for Mobile Multimedia Messaging Service Center.1总则1.0.1YD 5158适用于移动多媒体消息中心新建工程,改、扩...
YDC 002-2001.Technical requ irements and testing methods for CPN providing public telecommunication services.1范围YDC 002文件规定了对外提供公用电信业务的用户驻地...
YDC 003-2001.General Technical Requirements for Softwsitch.1范围YDC 003性技术文件规定了软交换在网络中的位置、网络框架结构、功能、通信接口、协议及...
YDC 004-2002.Technical Specification of SPC for Fixed Telephone Subscribers to Select different long distance Networks.1范围YDC 004规定了为支持用户选择不同运营商长途...
YD/T 5138-2005.Acceptance Specifications for Local Communication Line Project.1总则1.0.1 YD/T 5138适用于本地的中继和接人线路的新建工程,扩建、改建及其他通信...
YD/T 5144-2007.Provisional Specifications of Engineering Design for Automatically Switched Optical Network.1总则1.0.1 YD/T 5144适用于新建自动交换光网络的工程设计,改...
YD 5148-2007.Design Specifications for Pole Line of Optical(Copper) Cable Communication Engineering.1总则1.0.1YD 5148适用于新建长途和本地通信架空光(电)缆线路工程...
YD/T 5151-2007.Design Specification of Optical Fiber Cable in the Leading in Room.1总则1.0.1YD/T 5151适用于新建通信机房光缆进线室工程设计。改、扩建工程可参...
