R.21 : 9600 bit/s modem standardized for use in the telegraph TDM system

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R.21 : 9600 bit/s modem standardized for use in the telegraph TDM system

Recommendation R.21 (08/96)

Approved in 1996-08-01

Status : In force

	Table of Contents

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Format

Size

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Article Number

English

PDF (acrobat)

105358 bytes

1997-03-13

E 9643

Español

PDF (acrobat)

112264 bytes

1997-03-13

S 9645

Français

PDF (acrobat)

114250 bytes

1997-03-13

F 9644

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TIES users

Available languages and formats :

Click on the selected format
and language to get the document

Format

Size

Posted

Article Number

TIES users

English

Word

92160 bytes

1997-03-13

E 9643

Español

Word

105984 bytes

1997-03-13

S 9645

Français

Word

104448 bytes

1997-03-13

F 9644