Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Ketone signaling pathway

Ketone signaling pathway, Total:200 items.

The international standard classification for "Ketone signaling pathway" includes: Railway engineering in general , Road equipment and installations , Lamps and related equipment , Civil engineering (Vocabularies) , Road transport .

The Chinese standard classification for "Ketone signaling pathway" includes: Basic standards and general methods , Station interlocking , Railway communication network , Traffic control in general , Traffic control system , Electric lighting in general , Computer application .


Professional Standard - Railway

  • TB/T 3242-2010 General specification of LED light signals for railways
  • TB/T 1448-2018 Isolation voltage of railway communication & signal product
  • TB/T 1122-2019 Railway signal symbol
  • TB/T 2311-2017 Lightning protection devices for electronic equipments in railway telecommunication, signaling, power supply systems
  • TB/T 2850-1997 Communication Network No. for Railway Packet Switch Data
  • TB/T 454.1-2021 Glossary of railway communication signaling-Part 1: Glossary of railway signaling
  • TB/T 3498-2018 Lightning strike test method for railway communication and signaling equipment
  • TB/T 1169-1991 Railway Communication Engineering Graphical Symbols
  • TB/T 1498-1984 Specifications for packaging of railway communication signal products

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Group Standards of the People's Republic of China

Professional Standard - Public Safety Standards

  • GA 47-2002 Road traffic signal controller
  • GA/T 508-2014 Countdown display unit for traffic lights
  • GA/T 508-2004 Road traffic counting down display unit
  • GA/T 2014-2023 Road traffic signal timing operation management specifications
  • GA/T 489-2016 Specifications for installation of road traffic signal controller
  • GA/T 489-2004 Specifications for the installation of road traffic signal controllers

Guangdong Provincial Standard of the People's Republic of China

Professional Standard - Machinery

  • JB/T 2311-2017 Lightning protection devices for electronic equipments in railway telecommunication, signaling, power SUupply systems

Korean Agency for Technology and Standards (KATS)

Association for Electrical, Electronic & Information Technologies (VDE)

Danish Standards Foundation

  • DANSK DS/EN 50556:2018 Road traffic signal systems
  • DS/EN 50556:2011 Road traffic signal systems
  • DANSK DS/CLC/TS 50509:2007 Use of LED signal heads in road traffic signal systems
  • DS/CLC/TS 50509:2008 Use of LED signal heads in road traffic signal systems
  • DS/CLC/TR 50511:2008 Railway applications - Communications, signalling and processing systems - ERTMS/ETCS - External signalling for lines equipped with ERTMS/ETCS Level 2
  • DANSK DS/CLC/TR 50511:2007 Railway applications - Communications, signalling and processing systems - ERTMS/ETCS - External signalling for lines equipped with ERTMS/ETCS Level 2
  • DANSK DS/EN 50736:2025 Railway application – Communication, signalling and processing system – Test requirements for signalling and telecommunication equipment
  • DANSK DS/EN 50129:2003 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling
  • DANSK DS/IEC 62425:2025 Railway applications – Communication, signalling and processing systems – Safety-related electronic systems for signalling
  • DANSK DS/EN 50129/AC:2019 Railway applications – Communication, signalling and processing systems – Safety related electronic systems for signalling
  • DANSK DS/EN 50293:2012 Road traffic signal systems - Electromagnetic compatibility
  • DS/EN 50293:2012 Road traffic signal systems - Electromagnetic compatibility

British Standards Institution (BSI)

Lithuanian Standards Office

  • LST EN 50556-2011 Road traffic signal systems
  • LST EN 50129-2004 Railway applications. Communication, signalling and processing systems. Safety related electronic systems for signalling
  • LST EN 50129-2004/AC-2010 Railway applications. Communication, signalling and processing systems. Safety related electronic systems for signalling
  • LST EN 50293-2013 Road traffic signal systems - Electromagnetic compatibility

Asociación Española de Normalización (AENOR)

Association Francaise de Normalisation

German Institute for Standardization

European Committee for Electrotechnical Standardization(CENELEC)

  • EN 50556:2018 Road traffic signal systems
  • CLC/TS 50509-2007 Use of LED signal heads in road traffic signal systems
  • CLC/TR 50511:2007 Railway applications - Communications, signalling and processing systems - ERTMS/ETCS - External signalling for lines equipped with ERTMS/ETCS Level 2
  • EN 50736:2025 Railway application - Communication, signalling and processing system - Test requirements for signalling and telecommunication equipment
  • EN 50293:2012 Road traffic signal systems - Electromagnetic compatibility
  • prEN 50XXX Railway Application - Communication, Signalling and processing system - Test requirements for signalling and telecommunication equipment

Spanish Association for Standardization (UNE)

  • UNE-EN 50556:2019 Road traffic signal systems
  • UNE-HD 638:2001 Road traffic signal systems.
  • UNE-EN 50556:2011 Road traffic signal systems
  • UNE 135401-4:2003 Road traffic signal equipment. Traffic signal controllers. Part 4: Comunications protocol. Type M.
  • UNE 135401-5:2003 Road traffic signal equipment. Traffic signal controllers. Part 5: Comunications protocol. Type V.
  • UNE 135401-5:2003 IN Road traffic signal equipment. Traffic signal controllers. Part 5: Comunications protocol. Type V.
  • UNE-CLC/TS 50509:2009 EX Use of LED signal heads in road traffic signal systems
  • UNE 135401-4:2003 IN Road traffic signal equipment. Traffic signal controllers. Part 4: Comunications protocol. Type M.
  • UNE 135401-2:1999 EX ROAD SIGNALISATION EQUIPMENT. TRAFFIC SIGNAL CONTROLLERS. PART 2: TESTING.
  • UNE 135401-3:2003 Road traffic signal equipment. Traffic signal controllers. Part 3: Electric characteristics.
  • UNE 135401-6:2003 Road traffic signal equipment. Traffic signal controllers. Part 6: Electromagnetic compatibility.
  • UNE 135401-1:1999 EX ROAD SIGNALISATION EQUIPMENT. TRAFFIC SIGNAL CONTROLLERS. PART 1: FUNCTIONAL STANDARD.
  • UNE-EN 50129:2020 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling
  • UNE-EN 50293:2013 Road traffic signal systems - Electromagnetic compatibility

Swedish Institute for Standards

Bureau of Indian Standards

Austrian Standards

Comitato Elettrotecnico Italiano

Finnish Standards Institute

  • SFS-EN 50556:2018 Road traffic signal systems
  • SFS-EN 50736:2025 Railway application - Communication, signalling and processing system - Test requirements for signalling and telecommunication equipment

Czech Standards Institute (UNMZ)

National Standardisation Body (ASRO)

  • STAS 3989/4-1968 Railway location map. Conventional symbols for railway communication
  • STAS 1848/5-1982 Road siigns and signals TRAFFIC CONTROL LIGHT SIGNALS Technical requirements for quality
  • STAS 1848/2-1986 Traffic safety ROAI) SIGNAI.S Teehnical specifications

International Organization for Standardization (ISO)

International Commission on Illumination (CIE)

Associação Brasileira de Normas Técnicas

International Telecommunication Union (ITU)

  • ITU-T Q.141-1993 Signal Code for Line Signalling - Clause 2 - Line Signalling - Specifications of Signalling System No. 5 (Study Group XI)9 pp
  • ITU-T J.24-1993 Modulation of signals carried by sound-programme circuits by interfering signals from power supply sources
  • ITU-T Q.411-1988 Line Signalling, Analogue Version-Line Signalling Code - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
  • ITU-T Q.141-1988 Signal code for line signalling
  • ITU-T Q.141-1980 Signal code for line signalling
  • ITU-T Q.141-1984 Signal code for line signalling

National Sanitation Foundation (NSF)

Gosstandart of Russia

  • GOST 25695-1991 Road traffic signals. Types. Basic parameters
  • GOST R IEC 62280-2017 Railway applications. Communication, signalling and processing systems. Safety communication requirements

Standard Association of Australia (SAA)

  • AS E32:1947 Specification for road traffic control (electric) light signals

Ente Nazionale Italiano di Unificazione

  • UNI 3514:1984 Chestnut poles for telecommunication lines, for signaling of railways and tramways and for electrical lines. Common type.

International Electrotechnical Commission (IEC)

  • IEC 62425:2025 CMV Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling

Yugoslav Association for Standardization

  • JUS Z.S2.302-1983 Road sings. Sings regulating priority at intersections danger vvaming sings at approaches to intersections and design ofsigns

Conference of European Post Telecommunication (CEPT)

Institute of Transportation Engineers (ITE)

  • RP-025C-E-2019 Preemption of Traffic Signals Near Railroad Crossings

The Directorate General of Specifications and Metrology (DGSM)

  • OS GSO IEC 62425:2014 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling