Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 14399-2008 Information technology - Telecommunications and information exchange between systems - High-level data link control procedures - Description of the X.25 LAPB-compatible DTE data link procedures $600.00 via email in 1~5 business day valid
GB/T 15124-1994 Information processing system－Data communication－Multilink procedures $180.00 via email in 1~3 business day valid
GB/T 16653-1996 ISDN data link layer specification for frame mode bearer services $1200.00 via email in 1~3 business day valid
GB/T 16724.2-1996 Information technology - Thelecommunication and information exchange between systems-X.25-DTE conformance testing - Part 2: Data link layer conformance test suite $2850.00 via email in 1~3 business day valid
GB/T 17547-1998 Information technology - Open System Interconnection - Data link service definition $370.00 via email in 1~3 business day valid
GB/T 17968-2000 Information technology--Telecommunications and information exchange between systems--Elements of management information related to OSI Data Link Layer STANDARDs $900.00 via email in 1~5 business day valid
GB/T 19897.4-2005 Automatic meter reading system lower communication protocol—Part 4:Data link layer using HDLC protocol $710.00 via email in 1~3 business day abolished
GB/T 20851.2-2007 Electronic toll collection—Dedicated short range communication—Part 2:Data link layer $360.00 via email in 1~3 business day superseded
GB/T 20851.2-2007/XG1-2012 Electronic toll collection—Dedicated short range communication—Part 2:Data link layer, includes Amendment 1 $360.00 via email in 1~3 business day superseded
GB/T 20851.2-2019 Electronic toll collection—Dedicated short range communication—Part 2:Data link layer $280.00 immediately valid
GB/T 28036-2011 Information processing - Character structure for start/stop and synchronous character oriented transmission $70.00 via email in 1~3 business day valid
GB/T 7421-1987 Information processing systems--Data communication--High level data link control procedures--Consolidation of classes of procedures $220.00 via email in 1~3 business day abolished
GB/T 7421-2008 Information technology - Telecommunications and information exchange between systems - High-level data link control (HDLC) procedures $1620.00 via email in 1~3 business day valid
GB/T 7496-1987 Information processing systems--Data communication--High-level data link control procedures--Frame structure $340.00 via email in 1~3 business day valid
GB/T 7575-1987 Data communication--High-level data control procedures--Consolidation of elements of procedures $1864.00 via email in 1~5 business day valid
GB/Z 17976-2000 Information technology - Open Systems Interconnection-Tutorial on naming and addressing $420.00 via email in 1~3 business day abolished
JT/T 1183-2018 Interface specification for ETC payment protocol in taxi $270.00 via email in 1~3 business day valid
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