ITU V.32:1993
ITU V.32:1993 A Family Of 2-wire, Duplex Modems Operating At Data Signalling Rates Of Up To 9600 Bit/s For Use On The General Switched Telephone Network And On Leased Telephone-type Circuits
Table of Contents
1Introduction2Linesignals
2.1Carrierfrequency
2.2Transmittedspectrum
2.3Modulationrate
2.4Coding
3Interchangecircuits
3.1Listofinterchangecircuits
3.2Transmitdata
3.3Receivedata
3.4Timingarrangements
3.5Dataratecontrol
3.6Circuit106
3.7Circuit109
3.8Electricalcharacteristicsofinterchangecircuits
3.9Faultconditiononinterchangecircuits
4Scrambleranddescrambler
4.1Scrambler/descramblerallocation
5Operatingprocedures
5.1RecommendationV.25automaticansweringsequence
5.2Receiverconditioningsignal
5.3Ratesignal
5.4Start-upprocedure
5.5Retrainprocedure
6Testingfacilities
7Asynchronoustosynchronousconversionprotocol-Modes
ofoperation
7.1Transmitter
7.2Receiver
AnnexA
A.1DefinitionsofTermsUsed
A.2InterworkingofDuplexModems
AppendixI-Interworkingprocedureforechocancelling
modems
I.1Interworkingofechocancellingmodems