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ITU-T K.12 (02/2006)

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用于保护电信装置的气体放电管的特性
本建议书给出了用于交换设备、用户线路及用户或客户设备浪涌防护的气体放电管需要满足的基本要求。本建议书旨在协调气体放电管制造商、电信设备制造商、电信主管部门或网络运营商已有的或未来将发布的规范。

Citation:	https://handle.itu.int/11.1002/1000/8739
Series title:	K series: Protection against interference
Approval date:	2006-02-13
Approval process:	AAP
Status:	Superseded
Maintenance responsibility:	ITU-T Study Group 5
Further details:	Patent statement(s) Development history

EditionsRelated Supplement(s)Related technical papers and reports

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
9	K.12 (05/2010)	In force	here	here	here
8	K.12 (02/2006)	Superseded	here	here	here
7	K.12 (02/2000)	Superseded	here	here	here
6	K.12 (05/1995)	Superseded	-	-	here
5	K.12 (11/1988)	Superseded	-	here	here
4	K.12 (10/1984)	Superseded	-	-	Not available
3	K.12 (07/1981)	Superseded	-	-	Not available
2	K.12 (11/1980)	Superseded	-	-	Not available
1	K.12 (10/1976)	Superseded	-	-	Not available


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
K Suppl. 3 (10/2015)	ITU-T K.20, K.21, K.45, K.82 – Additional criteria to protect telecommunication cabling during a power cross event	In force	here	here	here
K Suppl. 8 (11/2017)	Resistibility analysis of 5G systems	In force	here	here	here
K Suppl. 9 (05/2019)	5G technology and human exposure to radiofrequency electromagnetic fields	In force	here	here	here
K Suppl. 10 (11/2017)	Analysis of electromagnetic compatibility aspects and definition of requirements for 5G mobile systems	In force	here	here	here
K Suppl. 13 (12/2021)	Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use	In force	here	here	here
K Suppl. 14 (09/2019)	The impact of RF-EMF exposure limits stricter than the ICNIRP or IEEE guidelines on 4G and 5G mobile network deployment	In force	here	here	here
K Suppl. 16 (10/2022)	Electromagnetic field compliance assessments for 5G wireless networks	In force	here	here	here
K Suppl. 19 (09/2019)	Electromagnetic field (EMF) strength inside underground railway trains	In force	here	here	here
K Suppl. 29 (07/2022)	Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer technology	In force	here	here	here
K Suppl. 32 (06/2023)	Case studies of radio frequency- electromagnetic field (RF-EMF) assessment	In force	here	here	here

Title	Approved on	Download
Mitigation measures for telecommunication installations – Chapter 10	2006	here
Mitigation measures for telecommunication installations	2004	here
Earthing and bonding	2003	here
Guide to the use of ITU-T Publications produced by Study Group 5 aimed at achieving Electromagnetic Compatibility and Safety	2002	here
Earthing of telecommunication installations	1976	here