In force components |
Number
|
Title |
Status |
K.21 (08/22) |
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Superseded and Withdrawn components |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Superseded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Superseded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Superseded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Superseded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Superseded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Superseded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Superseded
|
K.21 (11/11) |
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
|
Superseded
|
K.21 (2011) Erratum 1 (05/14) |
|
Superseded
|
K.21 (04/15) |
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
|
Superseded
|
K.21 (06/16) |
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
|
Superseded
|
K.21 (12/16) |
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
|
Superseded
|
K.21 (07/17) |
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
|
Superseded
|
K.21 (10/18) |
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
|
Superseded
|
K.21 (07/19) |
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
|
Superseded
|
K.21 (2019) Amendment 1 (06/20) |
The file initially posted on 3.9.2020 was replaced to correct a minor formatting issue in Table 1a.
|
Superseded
|