International Standard
ISO/IEC 7776:1995
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
Reference number
ISO/IEC 7776:1995
Edition 2
International Standard
Read sample
ISO/IEC 7776:1995
Published (Edition 2, 1995)
This standard was last reviewed and confirmed in 2001. Therefore this version remains current.
This standard has 1 amendment.

ISO/IEC 7776:1995

ISO/IEC 7776:1995
CHF 173
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Cancels and replaces the first edition (1986). Defines an application of certain HDLC standards. Also defines the structure, elements and procedures for the operation of a DTE using the X.25 LAPB protocol. The procedures are applicable to data interchange between a DTE and a DCE, or between two DTEs. The procedures are defined for use on duplex links, using synchronous transmission or start/stop transmission.

General information

  •  : Published
     : 1995-07
    : International Standard confirmed [90.93]
  •  : 2
     : 39
  • ISO/IEC JTC 1/SC 6
  • RSS updates


Amendments are issued when it is found that new material may need to be added to an existing standardization document. They may also include editorial or technical corrections to be applied to the existing document.

Amendment 1

Modulo 32 768 and multi-selective reject option

Edition 1996

ISO/IEC 7776:1995/Amd 1:1996
CHF 151
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