ITU G.983.1:2005
ITU G.983.1:2005 Broadband Optical Access Systems Based On Passive Optical Networks (pon) Describes a flexible optical fibre access network capable of supporting the bandwidth requirements of narrow-band and broadband services.
Table of Contents
1Scope2References
3Abbreviations
4Definitions
5Architectureoftheopticalaccessnetwork
5.1NetworkArchitecture
5.2Referenceconfiguration
5.3Functionalblocks
5.4ONUfunctionalblocks
5.5OpticalLineTerminationfunctionalblock
5.6OpticalDistributionNetworkfunctionalblock
6Services
7UserNetworkInterfaceandServiceNodeInterface
8Opticalnetworkrequirements
8.1Layeredstructureofopticalnetwork
8.2Physicalmediumdependentlayerrequirementsfor
theATM-PON
8.3TransmissionConvergencelayerrequirementsfor
theATM-PON
8.4Rangingmethod
9OperationsAdministrationandMaintenance(OAM)
functionality
10Performance
11Environmentalcondition
12Safety
12.1Electricalsafetyandprotection
12.2Opticalsafetyandprotection
AppendixI-OptionalcasesofoverallminimumORLofODN
atO[ru]andO[rd],O[ld]andO[lu]
I.1Introduction
I.2EffectofopenconnectorslocatedatONUsideof
starcoupler
I.3EffectofopenconnectorslocatedatOLTsideof
starcoupler
I.4EffectofdisconnectingaconnectornearONU
AppendixII-EffectofopticalreturnlossofODN
II.1Introduction
II.2ODNopticalreturnlossof32dB
II.3OthercaseofODNreflectance
AppendixIII-Rangingflowdiagrams
III.1RangingflowintheONU(example)
III.2RangingflowintheOLT(example)
AppendixIV-Accessnetworksurvivability
IV.1Introduction
IV.2Possibleswitchingtypes
IV.3PossibleduplexATM-PONconfigurationsand
characteristics
IV.4Requirements
IV.5RequiredinformationfieldsforPLOAMcell