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ITU-T K.12 (05/2010)

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用于保护电信装置的气体放电管的特性
ITU-T K.12建议书定义了用于保护交换以及室外设备、用户或客户设备和电信线路不出现电涌的气体放电管应满足的基本特性,旨在用于协调气体放电管厂家、电信设备厂家、管理部门或者网络运营商发布的现有的或者将来的技术要求。
Citation: http://handle.itu.int/11.1002/1000/10838
Approval date: 2010-05-29
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 5
Further details: Patent statement(s)
Development history
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8 K.12 (02/2006) Superseded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7 K.12 (02/2000) Superseded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6 K.12 (05/1995) Superseded - - here
5 K.12 (11/1988) Superseded -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4 K.12 (10/1984) Superseded - - Not available
3 K.12 (07/1981) Superseded - - Not available
2 K.12 (11/1980) Superseded - - Not available
1 K.12 (10/1976) Superseded - - Not available