Information technology; telecommunications and information exchange between systems; Open Systems Interconnection; protocol for providing the connection-mode transport service (ISO/IEC 8073:1992 and Technical Corrigendum 1:1993); English version EN 28073:1993— 146 стр.
Interfaces and basic data link control procedures for serial measurement data communication; start-stop-transmission, point-to-point connection— 16 стр.
Information processing systems; fibre distributed date interface (FDDI); part 2: token ring media access control (MAC) (ISO 9314-2:1989); English version EN 29314-2:1993— 78 стр.
Information processing systems; fibre distributed date interface (FDDI); part 1: token ring physical layer protocol (PHY) (ISO 9314-1:1989); English version EN 29314-1:1993— 42 стр.