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YD/T 1612-2007 Interconnection and Interoperation Technique Requirements for IPv4-IPv6 Transition via email in VALID please email coc@codeofchina.com for quotation
YD/T 3237-2017 Service level agreement requirements for domain name registration system via email in VALID please email coc@codeofchina.com for quotation
GB/T 13133-1991 Data communication?DTE to DTE physical connection using X.24 interchange circuits with DTE provided timing (USD) via email in 1-3 business day ABOLISHED
CJ/T 500-2016 Real-time video transmission systems between roadside and vehicle for urban rail transit (USD) via email in 1-3 business day VALID
GB/T 15123-2008 Information technology - Telecommunication and information exchange between systems - DTE/DCE interface back-up control operation using GB/T 3454 interchange circuits (USD) via email in 1-3 business day VALID
YDN 016-1996 (USD) via email in 1-10 business day VALID
SJ/T 11314-2005 Specification for home sub-network communication protocol (USD) via email in 1-5 business day VALID
GB/T 15127-1994 Information processing systems-Data communication-Twisted pair multipoint interconnections via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YDN 082-1998 (USD) via email in 1-10 business day
GB/T 12057-1989 General purpose 37-position and 9-position interface for data terminal equipment and data circuit-terminating equipment employing serial binary data interchange via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 13133-2008 Information technology - Telecommunication and information exchange between systems - DTE to DTE direct connections (USD) via email in 1-3 business day VALID
GB/T 17179.2-2000 Information technology--Protocol for providing the connectionless-mode network service--Part 2:Provision of the underlying service by a GB/T 15629(ISO/IEC 8802)subnetwork (USD) via email in 1-3 business day VALID
YDN 106-1998 (USD) via email in 1-5 business day VALID
GB/T 16503-1996 Information technology—Galvanic isolation of balanced interchange circuits via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 16653-1996 ISDN data link layer specification for frame mode bearer services via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 30269.802-2017 Information technology—Sensor network—Part 802:Testing:Media access control and physical layer of low-rate wireless sensor network (USD) via email in 1-10 business day VALID
SJ/T 11316-2005 Home network system architecture and reference model (USD) via email in 1-3 business day VALID
GB/T 3453-1994 Basic mode control procedures for data communications via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 17535-1998 Information technology--Telecommunications and information exchange between systems--Interface connector and contact assignments for ISDN basic access interface located at reference points S and T via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14397-1993 Information processing-Start-stop transmission signal quality at DTE/DCE interfaces via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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