ITU X.28:1997

ITU X.28:1997 Dte/dce Interface For A Start-stop Mode Data Terminal Equipment Accessing The Packet Assembly/disassembly Facility (pad) In A Public Data Network Situated In The Same Country Gives the DTE/DCE interface to facilitate access to the public data network from the public telephone network, circuit-switched public data networks and leased circuits.

More details

Download

PDF AVAILABLE FORMATS IMMEDIATE DOWNLOAD
$17.53 tax incl.

$39.83 tax incl.

(price reduced by 56 %)

1000 items in stock

Table of Contents

1Proceduresfortheestablishmentofanationalaccess
informationpathbetweenastart-stopmodeDTEand
aPAD
1.1Accessviaapublicswitchedtelephonenetworkor
leasedlineswithV-Seriesinterfaces
1.2Accessviaapublicswitcheddatanetworkorvia
leasedlineswithX-SeriesInterfaces
2Proceduresforcharacterinterchangeandservice
initializationbetweenastart-stopmodeDTEandaPAD
2.1Formatofcharactersusedintheexchangeofcontrol
informationbetweenstart-stopmodeDTEandaPAD
2.2Proceduresforinitialization
3Proceduresfortheexchangeofcontrolinformationbetween
astart-stopmodeDTEandaPAD
3.1General
3.2Proceduresforvirtualcallcontrol
3.3Proceduresforsettingorchangingthevaluesof
PADparameters
3.4Proceduresforreadingthevaluesofoneorseveral
parametersbythestart-stopmodeDTE
3.5FormatsofPADcommandsignalsandPADservice
signals
3.6EditingfunctionsinthePAD
3.7Procedureforrequestofstatusofthevirtualcall
4Proceduresfortheexchangeofuserdatabetweena
start-stopmodeDTEandaPAD
4.1Datatransferstate
4.2Datafromthestart-stopmodeDTEreceivedbythe
PAD
4.3Deliveryofuserdatatothestart-stopmodeDTE
4.4Dataforwardingconditions
4.5ProcedureforthePADtoindicatetothestart-stop
modeDTE,bymeansofaPADservicesignal,a
temporaryinabilitytoacceptadditional
information
4.6ProceduresfortransmissionofX-ONandX-OFF
bythePAD
4.7Proceduresforreset
4.8Procedureforindicationofbreak
4.9Escapefromthedatatransferstate
4.10Echo
4.11Selectionoftheprocedureonreceiptofthebreak
signalfromthestart-stopmodeDTE
4.12Selectionofpaddingcharacterstobeinsertedafter
thecharacter013(CR)
4.13Selectionoflinefolding
4.14Procedureforthestart-stopmodeDTEtoindicate
tothePADatemporaryinabilitytoaccept
additionalinformation
4.15Selectionoflinefeedinsertionaftercarriage
return
4.16Selectionofpaddingcharacterstobeinserted
afterthecharacter0/10(LF)
4.17Editingofuserdata
4.18Pagewait
4.19Interleavingofechoandoutput
4.20Displayinterrupt
5FormatsofadditionalPADcommandsignalsandPADservice
signalsavailableintheextendeddialoguemode
5.1FormatofthebreakPADcommandsignal
5.2FormatoftheNUIONandNUIOFFPADcommandsignals
5.3FormatofthelanguagePADcommandsignal
5.4FormatofthehelpPADcommandsignal
5.5StandardformatofthehelpPADservicesignal
6Multi-AspectPAD(MAP)operationinaccordancewith
RecommendationX.8
6.1ProceduresrequiredtosupportMAP
6.2FormatsofMAPcommandsignals
6.3FormatofMAPservicesignals
6.4Errorconditions
6.5FormatofadditionalMAPcommandsignalsandMAP
servicesignalsavailableintheextendeddialogue
mode
AnnexAPADcommandsignalsandPADservicesignals
AnnexBPADTime-outs
AnnexCPADservicesignalsforextendeddialoguemode
C.1PossiblePADservicesignalstextinSpanishfor
extendeddialoguemode
C.2PossiblePADservicesignalstextinFrenchfor
extendeddialoguemode

Abstract

Gives the DTE/DCE interface to facilitate access to the public data network from the public telephone network, circuit-switched public data networks and leased circuits.

Contact us