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  Home : ITU-T : Publications : Recommendations : X Series : X.20bis : X.20bis (11/88)
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X.20bis : Use on public data networks of Data Terminal Equipment (DTE) which is designed for interfacing to asynchronous duplex V-Series modems

Recommendation X.20bis (11/88)

Approved in 1988-11

Status : In force


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PDF Document PDF (acrobat)

71465 bytes 1989-05-19 E 7221 
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PDF Document PDF (acrobat)

79148 bytes 1989-05-19 S 7221 
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PDF Document PDF (acrobat)

89108 bytes 1989-05-19 F 7221 

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Updated : 2001/09/10