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K.21 : Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents

Recommendation K.21

In force components
Number
Title Status
K.21 (11/11)
 
Resistibility of telecommunication equipment installed in customer premises 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Superseded and Withdrawn components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.21 (11/88)
 
Resistibility of subscribers' terminals to overvoltages and overcurrents   Superseded
K.21 (10/96)
 
Resistibility of subscriber's terminal to overvoltages and overcurrents   Superseded
K.21 (10/00)
 
Resistibility of telecommunication equipment installed in costumer premises to overvoltages and overcurrents   Superseded
K.21 (07/03)
 
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents  
Superseded
K.21 (2003) Erratum 1 (01/04)
 
Correction to table 7/K.21   Superseded
K.21 (04/08)
 
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents   Superseded
K.21 (2008) Erratum 1 (05/08)
 
 
Relates to English prepublished version only
Superseded

 

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Updated : 2013-10-08