Table of Contents
Scopeoftherecommendation
1Generalcharacteristics
1.1Definitions
1.2Abbreviations
1.3Applicationoftheequipment
1.4Size
1.5Modularity
1.6Timingsignal
2Functions
2.1Mapping
2.2Signalprocessing
2.3Concentrationfunctionforswitchedservices
2.4Management
3Functionalrepresentationoftheequipmentanddefinition
ofreferencepoints
3.1Functionalrepresentation
3.2Definitionoffunctionalblocks
3.3Definitionofreferencepoints
4Tributaryinterfaces
4.1Analogueinterfaces
4.2Digitalinterfaces
5Aggregateinterfaces
5.12048kbit/sinterface
5.28448kbit/sinterface
5.334368kbit/sinterface
5.4139264kbit/sinterface
6Synchronizationinterfaceat2048kHz
7Localcontrolinterface
8Powerinterfaces
9Defectorfailureconditionsandconsequentactionsfor
thetributaryinterfaces
9.1Defectorfailureconditions
9.2Consequentactions
10Defectorfailureconditionsandconsequentactionsfor
theaggregate
10.1Defectorfailureconditions
10.2Consequentactionsfordefectorfailureconditions
relatedtotheAreferencepoint
10.3Consequentactionsfordefectorfailureconditions
relatedtotheB2referencepoint
10.4Consequentactionsfordefectorfailureconditions
relatedtotheE2/E2'referencepoint
11Defectorfailureconditionsandconsequentactionsforthe
coreoftheequipment
11.1Defectorfailureconditions
11.2ConsequentactionsattheO2orA1orE1/E1'1orL2orN2
referencepoints
12Performancemonitoring
13Performanceoftheequipment
13.1Jitter
13.2Transferdelay
13.3Slips
13.4Serviceavailability
13.5Errorperformance
13.6Bitsequenceindependence
14Management
AppendixI-Basebandlinetransmissionsystem
I.1General
I.2Physicalmodelofthelinetransmissionsystem
I.3FunctionaldescriptionoftheDCE
I.4FunctionsofTUfunctionalblock
I.5Requirementsforalinetransmissionsystemusing2B1Q
linecode
I.6DCEmanagementchannel
I.7Managementsystemunit Abstract
Determines the characteristics of a flexible multiplex equipment able to handle a variety of services with transparency for service provider, allowing enhanced management capabilities and to be used in the local network.
