GB/T 7421-1987Information processing systems--Data communication--High level data link control procedures--Consolidation of classes of procedures (English PDF)
信息处理系统 数据通信 高级数据链路控制规程 规程类别汇编
GB/T 7421 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 7421-2008 | Information technology - Telecommunications and information exchange between systems - High-level data link control (HDLC) procedures | Valid |
| GB/T 7421-1987 | Information processing systems--Data communication--High level data link control procedures--Consolidation of classes of procedures | Obsolete |
GB/T 7421-1987 is obsolete. It has been replaced by GB/T 7421-2008. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
March 14, 1987
Implementation date
December 1, 1987
Scope
GB/T 7421-1987 is the English-translated version of 信息处理系统 数据通信 高级数据链路控制规程 规程类别汇编.
GB/T 7421-1987 is the Chinese national standard "Information processing systems--Data communication--High level data link control procedures--Consolidation of classes of procedures".
It was issued on March 14, 1987 by the National Bureau of Standards, and took effect on December 1, 1987. It is obsolete: it has been replaced by GB/T 7421-2008.
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Document preview — GB/T 7421-1987
National Standard of the People's Republic of China
Issued by: National Bureau of Standards
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: National Bureau of Standards.
Date of issue: 1987-03-14.
Date of implementation: 1987-12-01.
Status: obsolete, replaced by GB/T 7421-2008.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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