| 网络供电电信系统的工作电压和电流的安全限值 |
本建议书就可安全地用于为电信服务提供商网络的供电电信系统提供电力的电压和电流提供指导。这些系统使用网络内成对的导体电线或特定的供电电缆，为远程设备供电。服务人员或技术人员可在不使用绝缘手套或工具的情况下，对处于激活状态的此设备和导电体进行评估。为了安全，使用危险电压的系统类型不能跨越服务提供商与最终用户之间的公共网络接口。这些使用危险电压的系统不应成为用户设施的一部分，且网内用户不应能够使用此系统。这些设备位于不同电信中心的网络之间、电信中心与电信接入设施/节点之间、以及电信中心与公共网络接口之间。此建议书仅针对使用连续直流电的系统。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/12871 |
| Series title: |
K series: Protection against interference |
| Approval date: |
2016-07-14 |
| Provisional name: | K.sov |
| Approval process: | AAP |
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Status: |
Superseded |
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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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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
|
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
|
here
|
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
|
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 |
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Mitigation measures for telecommunication installations – Chapter 10
|
2006
|
here
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Mitigation measures for telecommunication installations
|
2004
|
here
|
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Earthing and bonding
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2003
|
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
|
here
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Earthing of telecommunication installations
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1976
|
here
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