ITU G.766:1996
ITU G.766:1996 Facsimile Demodulation/remodulation For Digital Circuit Multiplication Equipment
Table of Contents
1General1.1Abbreviations
2Definitionsoffacsimiledemodulation/remodulation
inDCME
2.1Facsimilemodule
2.2ADPCM/DSIfunction(ADF)
2.3Facsimilecontrolchannel(FCC)
2.4Facsimiledatachannel(FDC)
2.5Facsimilemoduleframe
2.6Facsimileblock
2.7Facsimiletransportchannel(FTC)
2.8Facsimilecompression
2.9Facsimiledatainterface
3Functionsofthefacsimilemodule
4Facsimilemodulestructure
5Facsimileframeassembler/dis-assemblerblocks
5.1Facsimiledatachannel
5.2Facsimilemoduleframe
5.3Facsimileblocks
5.4Facsimiletransportchannels
6Facsimilemodulecontroller
6.1Commoncontrolfunction
6.2FacsimileChannelHandler(FCH)
7Useofthefacsimilecontrolchannel
7.1Messagefieldstructure
7.2Messagetransmissionprocedure
7.3Servicechannel
8Timinganddelayrequirements
8.1Clockdifferencecompensation
8.2CriticaltimegapsoftheT.30signals
8.3Front-EndDelay(FED)buffer
9Multi-cliqueandmulti-destinationoperation
10Facsimilemoduleoperationandmaintenance
10.1Facsimilemodulestatistics
10.2Facsimilemoduleconfigurationdata
10.3Errorcount
10.4FECactivation
11RequiredDCMEmodifications
11.1Facsimiledatahandling
11.2ChangesintheDCMEprocesses
ANNEXAExamplesofFCHprotocolexchanges
A.1SF-T.30caseswithmatchedcapabilities
A.2NSF-T.30proprietarycaseswithmatched
capabilities
A.3SF-T.30caseswithunmatchedcapabilities
A.4NSF-T.30proprietarycaseswithunmatched
capabilities
ANNEXBFormaldescriptionofthefacsimilemodule
controller
B.1Introduction
B.2FMCinterfaces
B.3InternalstructureoftheFMC
B.4Commoncontrolfunction(CCF)
B.5FCH
SUPPLEMENT1Dimensioningexampleforfacsimile
compression
S.1Introduction
S.2Assumptions
S.3Method