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K.20 : Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents

Recommendation K.20

In force components
Number
Title Status
K.20 (11/11)
 
Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents   In force
Guide (04/2012)
 
Guide on the use of the overvoltage resistibility Recommendations  
This guide assists test laboratories in implementing the correct tests for ITU-T K.20, K.21, and K.45 compliance testing. It is based on K.44 (2012-05).
In force
 
 
Superseded and Withdrawn components
Number
Title Status
K.20 (11/88)
 
Resistibility of telecommunication switching equipment to overvoltages and overcurrents   Superseded
K.20 (03/91)
 
Resistibility of telecommunication switching equipment to overvoltages and overcurrents   Superseded
K.20 (03/93)
 
Resistibility of telecommunication switching equipment to overvoltages and overcurrents   Superseded
K.20 (10/96)
 
Resistibility of telecommunication switching equipment to overvoltages and overcurrents   Superseded
K.20 (02/00)
 
Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents   Superseded
K.20 (07/03)
 
Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents  
Superseded
K.20 (2003) Erratum 1 (01/04)
 
Correction to table 7/K.20   Superseded
K.20 Amendment 1 (11/04)
 
New Appendix I - Floating transverse power induction and earth potential rise test for ports connected to external symmetric pair cables  
Superseded
K.20 (04/08)
 
Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents   Superseded

 

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Updated : 2012.07.18