ITU Q.541:1993
ITU Q.541:1993 Digital Exchange Design Objectives - General
Table of Contents
1General2Generaldesignobjectives
2.1Exchangemodificationsandgrowth
2.2Serviceprovisioningandrecords
2.3Translationsandroutinginformation
2.4Resourceutilization
2.5Physicaldesignobjectives
3IntegratedDigitalNetworkdesignobjectives
3.1Exchangetimingdistribution
3.2Networksynchronization
3.3Slip
3.5Synchronizationrequirementswheninter-working
withadigitalsatellitesystem
4Availabilitydesignobjectives
4.1General
4.2Causesofunavailability
4.3Intrinsicandoperationalunavailability
4.4Plannedoutages
4.5Totalandpartialunavailability
4.6Statisticalbasis
4.7Relevantfailureevents
4.8Availabilityindependence
4.9Intrinsicdowntimeandunavailabilityobjectives
4.10Operationalunavailabilityobjectives
4.11Initialexchangeavailabilityperformance
5Hardwarereliabilitydesignobjectives