Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YD/T 1795-2008 Network Management Technical Requirements for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communications Network Element Direct connection Interface Function 90.0 via email in 1~3 business day valid
YDN 034.3-1997 ISDN Subscribers - Specification for Network Interfaces Part 3: Technical Specifications for Third-Layer Basic Call Control 1950.0 via email in 1~3 business day valid
GB/T 11592-2011 Interface between data terminal equipment(DTE) and data circuit-terminating equipment(DCE) for start-stop transmission services on public data networks 450.0 via email in 1~3 business day valid
YD/T 855.3-1996 900mhz TDMA Digital Cellular Mobile Communication Network Technical Specifications for Interfaces Between Mobile Service Switching Center and Base Station Subsystems 750.0 via email in 1~3 business day valid
GB/T 6282-1986 Interface parameters of the 25 to 1000MHz land mobile telecommunication network connecting to public telecommunication network through subscriber lines 30.0 via email in 1~3 business day valid
GB/T 2789-1981 Technical requirements for network interface for the analogue microwave relay communication systems 120.0 via email in 1~3 business day valid
YD/T 879-1996 Alarm Monitoring of Q3 Interface 690.0 via email in 1~3 business day valid
GB/T 11596-1989 DTE/DCE interface for a start-stop mode data terminal equipment accessing the packet assembly/disassembly facility(PAD) in a public data network situated in the same country via email in business day abolished
YD/T 1350.1-2005 Technical specification of Wavelength Division Multiplexing (WDM) system network management interface Part1: interface function part 255.0 via email in 1~3 business day valid
YD/T 1021-1999 VB5.2 interface technical specification 1530.0 via email in 1~10 business day valid
YD/T 1350.3-2005 Technical specification of WDM network management interface Part3:information model based on GDMO/CMIP part 960.0 via email in 1~10 business day valid
GF 005-1994 Technical specification for interface for special mobile communication system accessing public telephone automatic switching network 570.0 via email in 1~5 business day valid
YDN 034.4-1997 ISDN Subscribers - Specification for Network Interfaces. Part 4 Technical Specifications for Supplementary Services 2070.0 via email in 1~3 business day valid
YD/T 910.1-1997 900/1800MHz TDMA digital cellular mobile telecommunication network man-machine of mobile station(Phase 2) 1185.0 via email in 1~10 business day valid
YD/T 910.21-1998 900/1800MHz TDMA digital cellular mobile telecommunication netwrok radio interface signaling part (Phase2) 3000.0 via email in 1~3 business day valid
YD/T 1263-2003 Technical Requirements for Interworking of network Based on IP with traditional telecommunication network 270.0 via email in 1~3 business day valid
YD/T 1634-2007 Optical Transport Network Physical Layer Interfaces 600.0 via email in 1~3 business day superseded
GB/T 12563-1990 Requirements of terrestrial interface for domestic satellite communications earth stations 180.0 via email in 1~3 business day valid
YD/T 1350.2-2005 Technical specification of Wavelength Division Multiplexing (WDM) system network management interface Part2: the genertic information model part 975.0 via email in 1~10 business day valid
YDN 034.4-1997 ISDN Subscribers - Specification for Network Interfaces. Part 4 Technical Specifications for Supplementary Services 2070.0 via email in 1~3 business day valid
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