ITU G.961:1993
ITU G.961:1993 Digital Transmission System On Metallic Local Lines For Isdn Basic Rate Access
Table of Contents
1General1.1Scope
1.2Definition
1.3Objectives
1.4Abbreviations
2Functions
2.1B-channel
2.2D-channel
2.3Bittiming
2.4Octettiming
2.5Framealignment
2.6ActivationfromLTorNT1
2.7Deactivation
2.8Powerfeeding
2.9Operationsandmaintenance
3Transmissionmedium
3.1Description
3.2MinimumISDNrequirements
3.3DLLphysicalcharacteristics
3.4DLLelectricalcharacteristics
4Systemperformance
4.1Performancerequirements
4.2Performancemeasurements
5Transmissionmethod
6Activation/deactivation
6.1General
6.2Physicalrepresentationofsignals
7Operationandmaintenance
7.1Operationandmaintenancefunctions
7.2C[L]channel
7.3Transfermodeofoperationandmaintenancelinks
8Powerfeeding
8.1General
8.2Powerfeedingoptions
8.3Powerfeedingandrecoverymethods
8.4DLLresistance
8.5Wettingcurrent
8.6LTaspects
8.7PowerrequirementsofNT1andregenerator
8.8Currenttransientlimitation
9Environmentalconditions
9.1Climaticconditions
9.2Protection
9.3Electromagneticcompatibility
AppendixIElectricalcharacteristicsofanMMS43
transmissionsystem
I.1Linecode
I.2Symbolrate
I.3Framestructure
I.4Frameword
I.5Framealignmentprocedure
I.6Multiframe
I.7FrameoffsetatNT1
I.8C[L]-channel
I.9Scrambling
I.10Activation/deactivation
I.11Jitter
I.12Transmitteroutputcharacteristics
I.13Transmitter/receivertermination
AnnexAExtensionfunctionsandrequirementsfora
linesystemwithMMS43linecode