保护接地条件不良的小型电信装置 |
伴随着网络终端单元的小型化发展趋势,越来越多的电信设备,例如有线或无线接入单元,已安装在客户驻地或其他不受控制的地方。与专用的电信建筑物相比,安装环境可能更加复杂和严峻。[ITU-T K.66]和[ITU-T K.120]分别规定了有关客户驻地和微型基站有效接合和接地的要求。但在某些情况下,满足这些要求可能非常困难或昂贵。如果忽略,则可能会因雷击或触电而造成设备损坏或人身安全。 本建议书为在较差接地条件下小型电信设施的防雷和安全提供了工程解决方案。这些保护措施是因环境或费用的限制而采取的折衷的可选方案,它们并非针对所有种类情况的通用要求,并分别规定了适用的条件。选择合适和可行的解决方案有助于获得最佳的技术经济比。 |
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Ed. |
ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
1
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K.134 (11/2018)
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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. 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 |
Mitigation measures for telecommunication installations – Chapter 10
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2006
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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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