Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YD/T 1659-2007 Testing Methods of Security for Broadband Network Access Server 630.0 via email in 1~3 business day valid
GB/T 14132-1993 requirements for digital line systems on symmetric pair cables used in telecommunication network 120.0 via email in 1~3 business day abolished
YD/T 1441-2006 Technical requirements of IPv4 mobility 450.0 via email in 1~3 business day valid
GB/T 12171-1990 Specification for TDM/FDM60-channel transmultiplexing equipments used in the telecommunication network 450.0 via email in 1~3 business day abolished
YDN 054-1997 Functional Characteristics of Asynchronous Transfer Model of B-ISDN 180.0 via email in 1~3 business day valid
YD/T 1693-2007 Technical Requirements for IP Storage Switch Based on Fibre Channel 240.0 via email in 1~3 business day valid
YD/T 1899-2009 Technical Requirements of Deep Packet Inspection Device 300.0 via email in 1~3 business day valid
YD/T 1898-2009 The Conformance Testing Specification for IKEv2 Protocol 600.0 via email in 1~3 business day valid
GB/T 15941-1995 Requirements for synchronous digital hierarch (SDH) optical fiber cable line systems of national public telecommunication network 600.0 via email in 1~8 business day abolished
YD/T 2055-2009 Technical requirements of content filter based on broadband network access server 150.0 via email in 1~3 business day valid
YD/T 1627-2007 Security requirements of ethernet switch equipment 180.0 via email in 1~3 business day valid
GB/T 14399-1993 Information processing systems-Data communication-High-level data link control procedures-Description of the X.25 LAPB-compatible DTE data link procedures 405.0 via email in 1~5 business day abolished
YD/T 1927-2009 Technical Requirements for the Softswitch Services Access Control Device 270.0 via email in 1~3 business day valid
YD/T 1451-2006 The Test Methods for Routing Protocol Based on IPv6(OSPF) 174.0 via email in 1~3 business day valid
GB/T 7585-1987 series and radio-frequency channel arrangement for analog microwave relay systems 150.0 via email in 1~3 business day valid
GB/T 26266-2010 Test specification for anti-spam email equipment 360.0 via email in 1~3 business day valid
YD/T 1162.1-2005 MultiProtocol Label Switching (MPLS) technical requirements 810.0 via email in 1~8 business day valid
GB/T 19897.2-2005 Automatic meter reading system lower layer communication protocol—Part 2:Use of area networks on twisted pair with carrier signalling 740.0 via email in 1~3 business day valid
GB/T 32397-2015 Chinese internet email address―Technical specification for email headers to support 150.0 via email in 1~3 business day valid
YD/T 1612-2007 Interconnection and Interoperation Technique Requirements for IPv4-IPv6 Transition 1020.0 via email in 1~3 business day valid
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