International Telecommunication Union � ITU
Fran�ais� Espa�ol
�
Site map Contact us Print version
� Home : ITU-T : Publications : Recommendations : K�Series : K.21 : K.21 (04/08)
Recently posted�-� Search Recommendations
� �
K.21�:�Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents �

Recommendation K.21 (04/08)

Approved in 2008-04-13

Status : Superseded

�

Table of Contents

�

Summary

Access : Freely available items

Available languages and formats :
�
Click on the Item

Click on the selected format
and language to get the document

� �
Format Size Posted Article Number
English

PDF Document PDF (acrobat)

197069 bytes 2009-01-29 E�33658�

Access :

TIES users

Available languages and formats :
�
Click on the Item

Click on the selected format
and language to get the document

� �
Format Size Posted Article Number TIES users
English

Word Document Word

636416 bytes 2009-01-29 E�33658� Download

Zip Zip (Components)

142131 bytes 2009-01-29 � Download

�

Top�-� Feedback�-� Contact us�-� Copyright � ITU�2008�All Rights Reserved
Contact for this page :� ITU-T Publications
Updated :�2011.11.17		 �