International Telecommunication Union � ITU
Fran�ais� Espa�ol
�
Site map Contact us Print version
� Home : ITU-T : Publications : Recommendations : R�Series : R.49 : R.49 (11/88)
Recently posted�-� Search Recommendations
� �
R.49�:�Interband telegraphy over open-wire 3-channel carrier systems �

Recommendation R.49 (11/88)

Approved in 1988-11-25

Status : In force

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)

51723 bytes 1990-04-19 E�15289�
Espa�ol

PDF Document PDF (acrobat)

57915 bytes 1990-04-19 S�15289�
Fran�ais

PDF Document PDF (acrobat)

57376 bytes 1990-04-19 F�15289�

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

35001 bytes 1990-04-19 E�15289� Download
Espa�ol

Word Document Word

45540 bytes 1990-04-19 S�15289� Download
Fran�ais

Word Document Word

45790 bytes 1990-04-19 F�15289� Download

�

Top�-� Feedback�-� Contact us�-� Copyright � ITU�2008�All Rights Reserved
Contact for this page :� ITU-T Publications
Updated :�2001/09/10		 �