X.21�:�Interface between Data Terminal Equipment and Data Circuit-terminating Equipment for synchronous operation on public data networks

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X.21�:�Interface between Data Terminal Equipment and Data Circuit-terminating Equipment for synchronous operation on public data networks �

Recommendation X.21 (09/92)

Approved in 1992-09-10

Status : In force

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Format

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Article Number

English

PDF (acrobat)

486820 bytes

1993-03-10

E�3105�

Espa�ol

PDF (acrobat)

527160 bytes

1993-03-10

S�3106�

Fran�ais

PDF (acrobat)

530401 bytes

1993-03-10

F�3104�

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and language to get the document

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English

Word

606213 bytes

1993-03-10

E�3105�

Espa�ol

Word

674854 bytes

1993-03-10

S�3106�

Fran�ais

Word

658584 bytes

1993-03-10

F�3104�

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