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Chinese National Standard Category: Data information

English Title: Information technology - Telecommunications and information exchange between systems - High-level data link control (HDLC) procedures
Chinese Title: 信息技术 系统间远程通信和信息交换 高级数据链路控制(HDLC)规程
Standard No.: GB/T 7421-2008
Category No.: L78
Issued by: NDRC
Issued on: 2008-8-9
Implemented on: 2009-1-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:GB/T 7496-1987 信息处理系统-数据通信-高级数据链路控制规程-帧结构
Word Count:58000 words
Similar Standards: GB/T 16504-1996   GB/T 7496-1987   YDB 149-2014   YDB 147-2014   GB/T 15629.4-1997   DB11/T 449.1-2007   GB/T 16506.1-1996   YDB 148-2014   T/JSGS 009-2022   T/TMAC 055-2023   YD/T 4146-2022   GB/T 40687-2021   GB/T 40041-2021   GB/T 38630-2020   GB/T 38627-2020   GB/T 36454-2018   GB/T 36440-2018   DB31/T 1110.3-2018   CJ/T 188-2018   GB/T 25315-2017  
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