| 以太网端口设备电涌保护的主要保护参数 |
ITU-T K.117建议书规范了公共模式、差异模式以及公共模式向差异模式的转换电涌参数，以及以太网端口主要保护器的测试电路要求。倾向于选用的电涌生成器电压分别为2.5 kV、6 kV和12 kV，但测试电路可用于任何电涌电压的环境。此外，还给出了通过以太网供电（PoE）的馈线要求。本建议书没有涵盖以太网信号性能参数，这方面可使用[b-IEC 60603-7-7]等标准。 本建议书旨在协调以太网电涌保护装置（SPD）厂家、电信设备厂家、管理部门或者网络运营商发布的现有或者将来的规范。 |
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ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
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1
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K.117 (12/2016)
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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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K Suppl. 3 (10/2015)
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ITU-T K.20, K.21, K.45, K.82 – Additional criteria to protect telecommunication cabling during a power cross event
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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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K Suppl. 8 (11/2017)
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Resistibility analysis of 5G systems
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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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K Suppl. 9 (05/2019)
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5G technology and human exposure to radiofrequency electromagnetic fields
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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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K Suppl. 10 (11/2017)
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Analysis of electromagnetic compatibility aspects and definition of requirements for 5G mobile systems
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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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K Suppl. 13 (12/2021)
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Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use
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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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K Suppl. 14 (09/2019)
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The impact of RF-EMF exposure limits stricter than the ICNIRP or IEEE guidelines on 4G and 5G mobile network deployment
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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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K Suppl. 16 (10/2022)
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Electromagnetic field compliance assessments for 5G wireless 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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K Suppl. 19 (09/2019)
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Electromagnetic field (EMF) strength inside underground railway trains
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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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K Suppl. 25 (05/2021)
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ITU-T K.117 - Long reach single twisted-pair Ethernet resistibility testing
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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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K Suppl. 29 (07/2022)
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Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer 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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| Title |
Approved on |
Download |
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Mitigation measures for telecommunication installations – Chapter 10
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2006
|
here
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Mitigation measures for telecommunication installations
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2004
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here
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Earthing and bonding
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2003
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here
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Guide to the use of ITU-T Publications produced by Study Group 5 aimed at achieving Electromagnetic Compatibility and Safety
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2002
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here
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Earthing of telecommunication installations
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1976
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here
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