V.21 : 300 bits per second duplex modem standardized for use in the general switched telephone network

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V.21 : 300 bits per second duplex modem standardized for use in the general switched telephone network

Recommendation V.21 (11/88)

Approved in 1988-11-25

Status : In force

Access : Freely available items

Available languages and formats :

Click on the selected format
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Format

Size

Posted

Article Number

English

PDF (acrobat)

62896 bytes

1989-11-09

E 7179

Español

PDF (acrobat)

70993 bytes

1989-11-09

S 7179

Français

PDF (acrobat)

71854 bytes

1989-11-09

F 7179

Access :

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

44011 bytes

1989-11-09

E 7179

Español

Word

58730 bytes

1989-11-09

S 7179

Français

Word

57828 bytes

1989-11-09

F 7179