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ITU-T V.22

1200 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORKAND ON POINT-TO-POINT 2-WIRELEASED TELEPHONE-TYPE CIRCUITS

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Organization: ITU-T
Publication Date: 1 November 1988
Status: active
Page Count: 16
scope:

Introduction

This modem is intended for use on connections on General Switched Telephone Networks (GSTNs), and on point-to-point circuits when suitably conditioned.

The principal characteristics of this modem are as follows:

a) duplex operation on 2-wire GSTN and point-to-point leased circuits,

b) channel separation by frequency division,

c) differential phase shift modulation for each channel with synchronous line transmission at 600 bauds (nominal),

d) inclusion of a scrambler,

e) inclusion of test facilities.

Document History

ITU-T V.22
November 1, 1988
1200 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORKAND ON POINT-TO-POINT 2-WIRELEASED TELEPHONE-TYPE CIRCUITS
Introduction This modem is intended for use on connections on General Switched Telephone Networks (GSTNs), and on point-to-point circuits when suitably conditioned. The principal characteristics of...

References

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