ITU X.30:1993
ITU X.30:1993 Support Of X.21, X.21 Bis And X.20 Bis Based Data Terminal Equipments (dtes) By An Integrated Services Digital Network (isdn)
Table of Contents
1Referenceconfigurations1.1Customeraccessconfiguration
1.2Networkconfiguration
1.3Interworkingsituation
2Terminaladaptionfunctions
2.1TerminaladaptionfunctionsforDTEsconforming
toX.1userclassesofservice3to6
2.2TerminaladaptionfunctionsforDTEsconforming
toX.1userclassofservice7
2.3TerminaladaptionfunctionsforDTEsconforming
toX.1userclassofservice19
2.4TerminaladaptionfunctionsforDTEsconforming
toX.1userclassesofservice1,2,14,15,16,
17and18
3Testloops
3.1Testloopreferenceconfiguration
3.2Testloopcharacteristics
3.3Loopactivation/deactivationmechanism
3.4Codingofactivation/deactivationcontrolmessage
AnnexA-SDLdiagrams
A.1General
A.2Someremarksabouttheformaldescription
AppendixI-Universalterminaladaptor
I.1Userrateidentification
I.3Lossofalignment/recovery
I.4Readyfordataalignment
AppendixII-Inslotidentificationofintermediatebitrate
II.1Identificationofintermediaterate
II.2Restitutionoftheintermediaterate
II.3Userrateidentification