ITU V.34:1998
ITU V.34:1998 A Modem Operating At Data Signalling Rates Of Up To 33 600 Bit/s For Use On The General Switched Telephone Network And On Leased Point-to-point 2-wire Telephone-type Circuits AS EXPLAINED IN TITLE
Table of Contents
1Scope2References
3Definitions
4Abbreviations
5Linesignals
5.1DataSignallingrates
5.2Symbolrates
5.3Carrierfrequencies
5.4Pre-emphasis
6DTEinterfaces
6.1Synchronousinterfacing
(primarychannelonly)
6.2Asynchronouscharacter-modeinterfacing
6.3Half-duplexmodeinterfacing
6.4Electricalcharacteristicsof
interchangecircuits
6.5Faultconditiononinterchangecircuits
6.6Thresholdsandresponsetimesofcircuit109
7Scrambler
8Framing
8.1Overview
8.2Mappingframeswitching
8.3Multiplexingofprimaryandauxiliary
channelbits
9Encoder
9.1Signalconstellations
9.2Mappingparameters
9.3Parser
9.4Shellmapper
9.5Differentialencoder
9.6Mapper,precoderandtrellisencoder
9.7Non-linearencoder
10Start-upsignalsandsequences
10.1Signalsandsequencesusedinduplex
operation
10.2Signalsandsequencesusedinhalf-duplex
operation
11Duplexoperatingprocedures
11.1Phase1-Networkinteraction
11.2Phase2-Probing/ranging
11.3Phase3-Equalizerandechocanceller
training
11.4Phase4-Finaltraining
11.5Retrains
11.6Raterenegotiation
11.7Cleardown
11.8Two-wireleasedlineoperation
12Half-duplexoperatingprocedures
12.1Phase1-Networkinteraction
12.2Phase2-Probing
12.3Phase3-Primarychannelequalizertraining
12.4Controlchannelstart-up
12.5Primarychannelresynchronizationprocedure
12.6Controlchannelresynchronizationprocedure
12.7Primarychannelretrains
12.8Controlchannelretrains
13TestingFacilities
14Glossary
14.1VariablesandParametersusedinData
mode(clauses5to9)
AnnexA-V.34modemcontrolchannelprocedures
A.1Introduction
A.2MPsequencesformodemcontrolchannel
compatibility
A.3Auxiliarychannelprotocolformodemcontrol
A.4Itemsforfurtherstudy