| FTTx网络的低冲击挖沟技术 |
随着电信基础设施的小型化即小型管道和小型电缆，已经有可能运用影响较小的挖沟技术在一天中以更少侵占时间和空间的方式、使用比以前挖沟技术更小的工地来完成网络建设的所有步骤。ITU-T L.155建议书描述了这种挖沟技术，该技术能够便于在窄沟中安装地下光缆、在管道或小型管道中安装小型电缆或者直埋电缆。这种类型的窄沟使得能够在小型道路上，典型的城市中的那些道路上，使用缩小了尺寸的机械，并产生较少数量的材料浪费，因此应该用于城市地区。这项技术的主要特点是吸泥机和挖掘锯可以同时工作，使得有可能在同一天开始和关闭工地。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/13113 |
| 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.100-L.199: Optical fibre cables
L.150-L.199: Guidance and installation technique |
| Approval date: |
2016-11-13 |
| Provisional name: | L.limt |
| Approval process: | AAP |
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Status: |
In force |
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Maintenance responsibility: |
ITU-T Study Group 15 |
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Further details: |
Patent statement(s)
Development history
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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. 39 (09/2020)
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ITU-T L.1470 - Optical fibre cable Recommendations and standardization guideline
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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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Guide on the use of ITU-T L-series Recommendations related to optical technologies for outside plant
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2024
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here
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Optical fibres, cables and systems
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2024
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here
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Guide on the use of ITU-T L-series Recommendations related to optical technologies for outside plant
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2022
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here
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Guide on the use of ITU-T L-series Recommendations related to optical technologies for outside plant
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2020
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here
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Technical Report on Optical fibres, cables and systems
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2015
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here
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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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Optical fibres, cables and systems
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2009
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here
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