YD/T 1038-2000.900/1800MHz TDMA Digital Cellular Mobile Telecommunication Networ...

行业标准2023.08.03

YD/T 1021-1999.VB5.2 interface technical specification.1范围1.1 概述YD/T 1021规定了接入网(...

行业标准2023.08.03

YD/T 1031-1999.Technical Specification of 800MHz CDMA Digital Cellular Mobile Te...

行业标准2023.08.03

YD/T 1023-1999.General networking requirements for the narrow-band ISDN terminal...

行业标准2023.08.03

YD/T 1025-1999.900/1800MHz TDMA Digital Cellular Mobile Telecommunication Networ...

行业标准2023.08.03

YD/T 1022-1999.Requirement of synchronous digital hierarchy (SDH) equipment func...

行业标准2023.08.03

YD/T 1036-2000.Frame Relay Technical System.1范围YD/T 1036规定了帧中继网的网络结构、业务、接口、编号、信令...

行业标准2023.08.03

YD/T 1034-2000.Vocabulary of terms for access network.1范围YD/T 1034规范了在接入网定义功能、设备...

行业标准2023.08.03

YD/T 1045-2000.Technical specification for network access server.1范围YD/T 1045规定了...

行业标准2023.08.03

YD/T 1044-2000The General Technical Requirement of IP telephony and IP Fax Servi...

行业标准2023.08.03