| 光纤接头 |
接头是光纤网中重要的点，因为它们不仅严重影响到链路质量，还影响到其寿命。事实上，接头须确保长时间的高质量和稳定性能。高质量接头通常定义为滴接头损耗和接近光纤验证试验水平的张力强度。接头须在系统设计寿命期内，在其预期的环境条件下保持稳定。目前，熔合和机械两种技术可用于拼接玻璃光纤且选择两者中的哪一种取决于预期的性能及安装与维护考虑。这些接头旨在提供永久的连接。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/9323 |
| 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 series: Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plant
L.400-L.429: Passive optical devices |
| Approval date: |
2008-03-08 |
| Approval process: | AAP |
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Status: |
Superseded |
| Observation: | Former ITU-T L.12 renumbered as ITU-T L.400 on 2016-02-15 without further modification and without being republished. |
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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
|
Status
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Summary
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Table of contents
|
Download
|
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L Suppl. 4 (04/2016)
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Guidelines for developing a sustainable e-waste management system
|
In force
|
here
|
here
|
here
|
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L Suppl. 5 (12/2014)
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Life-cycle management of ICT goods
|
In force
|
here
|
here
|
here
|
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L Suppl. 20 (10/2015)
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Green public ICT procurement
|
In force
|
here
|
here
|
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
|
In force
|
here
|
here
|
here
|
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L Suppl. 27 (10/2016)
|
Supplement on success stories on e-waste management
|
In force
|
here
|
here
|
here
|
|
L Suppl. 28 (10/2016)
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Circular economy in information and communication technology; definition of approaches, concepts and metrics
|
In force
|
here
|
here
|
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
|
here
|
here
|
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
|
here
|
here
|
here
|
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L Suppl. 35 (06/2017)
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Framework of disaster management for network resilience and recovery
|
In force
|
here
|
here
|
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
|
here
|
here
|
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
|
here
|
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
|
here
|
here
|
here
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L Suppl. 44 (05/2021)
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Guidelines on best practices and environment friendly policies for effective information and communication technology deployment methods
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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
|
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
|
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
|
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
|
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
|
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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2022
|
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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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
|
here
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Review of Mobile Handset Eco-Rating Schemes
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2012
|
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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