Information technology — Representation for human communication of state transition of software
Defines diagrams and symbols for representing software functions and transitions and in improving human communication. Covers development, communication and review of software requirement analysis and design. Effective in interactive software, data communication software and language/command.
Information technology — International Standardized Profile RA — Relaying the Connectionless-mode Ne...
Applicable to interworking units concerned with operating in the Open Systems Interconnection (OSI) environment. Specifies a combination of OSI base standards that collectively provide a Network Relay function for the connectionless-mode Network Service. Specifies the RA51.54 profile applicable to interworking units operating between CSMA/CD LAN subnetworks and FDDI LAN subnetworks.
Information technology - Representation for human communication of state transition of software
Defines diagrams and symbols for representing software functions and transitions and in improving human communication. Covers development, communication and review of software requirement analysis and design. Effective in interactive software, data communication software and language/command.
Programmable controllers - Part 4: User guidelines
Provides guidelines that address the application of the programmable controllers (PC) and associated peripherals. It also deals with the integration of PCs into the automated system.
Provides information that assists the user in:
-utilizing the other parts of the programmable controller standard;
-specifying the requirements for PC applications;
-selecting and implementing PC systems.
The…
Automates programmables - Partie 4: Guide pour l'utilisateur
Donne des directives sur l'application des automates programmables (AP) et des périphériques associés. Traite aussi de l'intégration des AP dans le système automatise.
Fournit des informations destinées à aider les utiilisateurs au niveau de:
- l'utilisation d'autres parties de la norme sur les automates programmables;
- l'indication des prescriptions relatives aux…
Protection against lightning electromagnetic impulse - Part 1: General principles
Gives information for the design, installation, inspection, maintenance and testing of an effective lighning protection system for information systems in or on a structure.
Protection contre l'impulsion électromagnétique générée par la foudre - Partie 1: Principes gén...
Donne des informations relatives à la conception, la réalisation, la vérification, l'entretien et les essais d'installations efficaces de protection des systèmes informatiques situés à l'intérieur ou sur les structures.
Information technology — Telecommunications and information exchange between systems — 50-pole inter...
Specifies a 50-pole connector, including the necessary mateability dimensions and the assignment of contact numbers, for use at the interface between data terminal equipment (DTE) and data circuit terminating equipment (DCE). Applicable where the functional characteristics of the interface conform to CCITT Recommendation V.24 and the electrical characteristics conform to ITU-T Recommendation V.12.
