| Spécification de l'interface avec le système d'alimentation électrique en courant continu |
La Recommandation UIT-T L.1200 spécifie l'interface en courant continu entre le système d'alimentation électrique et les équipements TIC qui lui sont raccordés. Elle décrit en outre les plages de tension normale et de tension anormale, et les niveaux de test d'immunité des équipements TIC pour maintenir la stabilité des services de télécommunication et de communication de données. L'interface spécifiée est alimentée par une source électrique en courant continu allant jusqu'à 400 V pour répondre à l'augmentation de la consommation d'énergie et de la densité de puissance des équipements, afin d'obtenir une meilleure efficacité énergétique et une meilleure fiabilité en utilisant moins de matériel que dans le cas de l'utilisation de solutions d'alimentation électrique ayant une tension inférieure, par exemple, un système UPS à –48 V en courant continu ou en courant alternatif. |
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| Citation: |
https://handle.itu.int/11.1002/1000/11638 |
| Series title: |
L series: Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plant
L.1200-L.1299: Power feeding and energy storage |
| Approval date: |
2012-05-29 |
| Provisional name: | L.specDC |
| Approval process: | AAP |
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Status: |
In force |
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Maintenance responsibility: |
ITU-T Study Group 5 |
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Further details: |
Patent statement(s)
Development history
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| Ed. |
ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
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1
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L.1200 (05/2012)
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In force
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here
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here
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here
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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L Suppl. 4 (04/2016)
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Guidelines for developing a sustainable e-waste management system
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In force
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here
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here
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here
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L Suppl. 5 (12/2014)
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Life-cycle management of ICT goods
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In force
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here
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here
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here
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L Suppl. 20 (10/2015)
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Green public ICT procurement
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In force
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here
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here
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here
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L Suppl. 21 (04/2016)
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Implementation guidance for small- and medium-sized enterprises on information and communication technology supply chain due diligence concerning conflict minerals
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In force
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here
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here
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here
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L Suppl. 27 (10/2016)
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Supplement on success stories on e-waste management
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In force
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here
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here
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here
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L Suppl. 28 (10/2016)
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Circular economy in information and communication technology; definition of approaches, concepts and metrics
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In force
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here
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here
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here
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L Suppl. 32 (10/2016)
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Supplement for eco-specifications and rating criteria for mobile phones eco-rating programmes
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In force
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here
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here
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here
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L Suppl. 33 (10/2016)
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Assessment of energy consumption of information and communication technology services
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In force
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here
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here
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here
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L Suppl. 41 (05/2021)
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Requirements on energy efficiency measurement models and the role of artificial intelligence and big data
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In force
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here
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here
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here
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L Suppl. 42 (05/2021)
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Guidelines on the environmental efficiency of machine learning processes in supply chain management
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In force
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here
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here
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here
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L Suppl. 43 (05/2021)
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Smart energy saving of 5G base stations: Traffic forecasting and strategy optimization of 5G wireless network energy consumption based on artificial intelligence and other emerging technologies
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In force
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here
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here
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here
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L Suppl. 46 (12/2021)
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Definitions and recent trends in circular cities
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In force
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here
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here
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here
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L Suppl. 47 (07/2022)
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Examples of resource saving within the information and communication technology sector
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In force
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here
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here
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here
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L Suppl. 49 (07/2022)
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Overview on adaptation to climate change for information and communication technology networks
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In force
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here
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here
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here
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L Suppl. 52 (10/2022)
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Computer processing, data management and energy perspective
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In force
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here
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here
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here
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L Suppl. 53 (10/2022)
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Guidelines on the implementation of environmental efficiency criteria for artificial intelligence and other emerging technologies
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In force
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here
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here
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here
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L Suppl. 54 (10/2022)
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Guidance for assessing the greenhouse gas emissions consequences of the financial effects generated by information and communication technology
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In force
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here
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here
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here
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L Suppl. 55 (10/2022)
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Environmental efficiency and impacts on United Nations Sustainable Development Goals of data centres and cloud computing
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In force
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here
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here
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here
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L Suppl. 56 (10/2022)
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Guidelines for connecting cities and communities with the Sustainable Development Goals
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In force
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here
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here
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here
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| Title |
Approved on |
Download |
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Partnering for solutions: ICTs in Smart Water Management
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2014
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here
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Resilient pathways: the adaptation of the ICT sector to climate change
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2014
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here
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Greening ICT Supply Chains – Survey on Conflict Minerals Due Diligence Initiatives
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2012
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here
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Review of Mobile Handset Eco-Rating Schemes
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2012
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here
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Boosting Energy Efficiency through Smart Grids
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2012
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here
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