ITU-T X.211-1995 PDF

Scope: This Recommendation I International Standard defines the set of capabilities, in terms of abstract service definition, provided by the Physical Layer to the Data Link Layer. For designers of Data Link Layer protocols, it provides a definition of the Physical service to allow design and implementation independent of details of the Physical Layer protocol. For designers of Physical Layer protocols, it defines the set of capabilities to be made available through the action of the protocol over the underlying physical media.

ITU-T X.211-1995 Referenced Document

ISO/IEC 10731:1994 Information technology - Open Systems Interconnection - Basic Reference Model - Conventions for the definition of OSI services
ISO/IEC 7498-1:1994 Information technology - Open Systems Interconnection - Basic reference model: The basic model
ITU-T X.200-1994 Information Technology - Open Systems Interconnection - Basic Reference Model: the Basic Model - Data Networks and Open System Communications Open Systems Interconnection - Model and Notation 64 pp
ITU-T X.210-1993 Information Technology - Open Systems Interconnection - Basic Reference Model: Conventions for the Definition of OSI Services - Data Networks and Open System Communications Open Systems Interconnection - General 29 pp

1995 ITU-T X.211-1995 Information Technology - Open Systems Interconnection - Physical Service Definition - Data Networks and Open System Communications Open Systems Interconnection - Service Definitions 30 pp
1988 ITU-T X.211-1988 Physical Service Definition of Open Systems Interconnection for CCITT Applications - Data Communication Networks - Open Systems Interconnection (OSI) Model and Notation, Service Definition Study Group VII; 19 pp; Corrigendum-Oct 1992