ISO/IEC JTC 1/SC 25
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History
ISO/IEC JTC 1/SC 25 was formed in 1989 after the creation of ISO/IEC JTC 1. When ISO and IEC decided to create the joint technical committee, JTC 1, in 1988, there was a reorganization of the structure. Eventually in 1989, IEC SC 83: Information technology equipment and ISO/IEC JTC 1/SC 13: Interconnection of equipment, were joined to form the current subcommittee, ISO/IEC JTC 1/SC 25: Interconnection of information technology equipment. The new subcommittee also adopted the standardization activity of ISO/IEC JTC 1/SC 26, under ISO/IEC JTC 1/SC 25/WG 4.
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Scope
The scope of ISO/IEC JTC 1/SC 25 is the standardization of:
- Microprocessor systems; and of
- interfaces, protocols, architectures, and associated interconnecting media for information technology equipment and networks, generally for
- Commercial and residential environments, to support embedded and distributed computing environments, storage systems, other input/output
- Home and building electronic systems including customer premises smart grid applications for electricity, gas, water and heat.
The scope includes:
- Requirements for components, assemblies, and subsystems
- The development of network interfaces, in liaison with committees for external utility networks, to support smart grid applications at the customer premises.
The scope excludes:
- Standardization of cables, waveguides and connectors remains within the relevant product technical committees and subcommittees of IEC.
Structure
ISO/IEC JTC 1/SC 25 is made up of three active working groups and one task group, each of which carries out specific tasks in standards development within the field of interconnection of information technology equipment. As a response to changing standardization needs, working groups of ISO/IEC JTC 1/SC 25 can be disbanded if their area of work is no longer applicable, or established if new working areas arise. The focus of each working group is described in the group’s terms of reference. Active working groups of ISO/IEC JTC 1/SC 25 are:
ISO/IEC JTC 1/SC 25 also has the task group (TG), ISO/IEC JTC 1/SC 25/TG 1, titled Project Team: Taxonomy and Terminology (PTTT), which is working to coordinate the standardization activities for intelligent homes.
Collaborations
ISO/IEC JTC 1/SC 25 works in close collaboration with a number of other organizations or subcommittees, both internal and external to ISO or IEC, in order to avoid conflicting or duplicative work. Organizations internal to ISO or IEC that collaborate with or are in liaison to ISO/IEC JTC 1/SC 25 include:
- ISO/IEC JTC 1/SC 6, Telecommunications and information exchange between systems
- ISO/IEC JTC 1/SC 27, IT Security techniques
- ISO/IEC JTC 1/SC 32, Data management and interchange
- ISO/IEC JTC 1/SC 39, Sustainability for and by Information Technology
- ISO/TC 184, Automation systems and integration
- ISO/TC 205, Building environment design
- IEC/TC 1, Terminology
- IEC/TC 3, Information structures and elements, identification and marking principles, documentation and graphical symbols
- IEC/TC 46, Cables, wires, waveguides, R.F. connectors, R.F. and microwave passive components and accessories
- IEC/SC 46A, Coaxial cables
- IEC/SC 46C, Wires and symmetric cables
- IEC/TC 48, Electrical connectors and mechanical structures for electrical and electronic equipment
- IEC/SC 48B, Electrical connectors
- IEC/SC 61C, Safety of refrigeration appliances for household and commercial use
- IEC/TC 64, Electrical installations and protection against electric shock
- IEC/SC 65B, Measurement and control devices
- IEC/SC 65C, Industrial networks
- IEC/TC 68, Magnetic alloys and steels
- IEC/TC 77, Electromagnetic compatibility
- IEC/TC 86, Fibre optics
- IEC/SC 86A, Fibres and cables
- IEC/SC 86B, Fibre optic interconnecting devices and passive components
- IEC/SC 86C, Fibre optic systems and active devices
- IEC/TC 100, Audio, video and multimedia systems and equipment
- IEC/TC 104, Environmental conditions, classification and methods of test
Some organizations external to ISO or IEC that collaborate with or are in liaison to ISO/IEC JTC 1/SC 25 include:
- CEN TC 247, BACnet
- CENELEC TC 205, Home and Building Electronic Systems (HBES)
- CENELEC TC 215, Electrotechnical aspects of telecommunication equipment
- Ecma International
- European Commission (EC)
- European Telecommunications Standards Institute (ETSI)
- IEEE 802.3, Ethernet Working Group
- ITU-T SG9, Broadband cable and TV
- ITU-T SG15, Networks, Technologies and Infrastructures for Transport, Access and Home
- ITU-T SG16, Multimedia
- Telecommunications Industry Association (TIA)
- United Nations Conference on Trade and Development (UNCTAD)
- United Nations Economic Commission for Europe (UNECE)
Member countries
Countries pay a fee to ISO to be members of subcommittees.
The 29 "P" (participating) members of ISO/IEC JTC 1/SC 25 are: Australia, Austria, Belgium, Canada, China, Czech Republic, Denmark, Finland, France, Germany, India, Ireland, Israel, Italy, Japan, Kazakhstan, Republic of Korea, Lebanon, Mexico, Netherlands, Norway, Poland, Russian Federation, Singapore, Spain, Sweden, Switzerland, United Kingdom, and United States.
The 18 "O" (observing) members of ISO/IEC JTC 1/SC 25 are: Argentina, Bosnia and Herzegovina, Croatia, Cuba, Ghana, Greece, Hong Kong, Hungary, Iceland, Indonesia, Kenya, Malaysia, New Zealand, Philippines, Romania, Serbia, Turkey, and Ukraine.
Published standards
ISO/IEC JTC 1/SC 25 currently has 177 published standards under their direct responsibility within the field of interconnection of information technology equipment, including: