光纤到户EPON产品及解决方案

1、1GrenTech EPON solutionCopyright Shenzhen Grentech Co., Ltd.2FTTH Solution1Network Planning2Installation and maintenance3ODN Design45GrenTech EPON ProductsCONTENTCopyright Shenzhen Grentech Co., Ltd.3FTTH BusinessCopyright Shenzhen Grentech Co., Ltd.4Requirements OverviewIndexRequirementAccessFTTHSe

2、rviceInternetIPTVVOIPBandwidth20MbpsScale3000Copyright Shenzhen Grentech Co., Ltd.5FTTH SolutionsFTTH solution supports Triply-Play services including data, voice and video. It provides data service featuring broadband up/down link communication, Voice over IP and VOD/IPTV.ONU device provides flexib

3、le user interfaces to meet the various application requirements; Collaborated with IP-based STB, it can provide video service upon IP network. The optional RJ11 interface help use VOIP and Fax services.On OLT side, various uplink interfaces provided achieve intercommunication between different core

4、networks, like IP backbone, IP-based video core network, PSTN(VOIP Gateway) and NGN network platform.Copyright Shenzhen Grentech Co., Ltd.6IPTV Solutionsn IPTV is an IVAS based on broadband fiber-network. Taking advantage of TV set and IPTV STB, it provides users with live or requested programs thro

5、ugh internet.Copyright Shenzhen Grentech Co., Ltd.7VOIP Solutionsn EPON system provides VOIP service, and the conversion is finished on user side:ONU converts and provide VOIP for POTS access.The VOIP actions, like calling are controlled by soft switch. ONU achieves intercommunication with PSTN netw

6、ork through MGW. Refer to the left diagram.Copyright Shenzhen Grentech Co., Ltd.8Internet Solutionsn Data service mainly provides high-speed internet service for families. The service will be tagged a VLAN ID to identify service types from PC to ONU, then OLT will add another VLAN ID to identify dif

7、ferent service providers.Copyright Shenzhen Grentech Co., Ltd.9FTTH Solution1Network Planning2Installation and maintenance3ODN Design45GrenTech EPON ProductsCONTENTCopyright Shenzhen Grentech Co., Ltd.10Network PlanningContentContentFeaturesFeaturesRemarksRemarksVLAN PlanningVLAN PlanningUnified Pla

8、nningBroadband Internet. Based on QINQ we achieve isolations between users and service providers for broadband internet service. Inner VLAN ID is tagged on ONU end, and the outer ID is tagged on OLT end. This improves data security.IPTV. Based on QINQ, inner VLAN ID is tagged on STB end, and the out

9、er ID is tagged on ONU end.VOIP. Use single VLAN ID to ensure voice service higher priority.OLT support VLAN trunk mode to connect different uplink interface with different equipment.Inband VLAN Management mode for OLT equipment.Network expansion capacity should be taken into account seriously. VLAN

10、 planning better covers future needs.Copyright Shenzhen Grentech Co., Ltd.11Network PlanningContentContentFeaturesFeaturesRemarksRemarksIP PlanningIP PlanningOLT IP is configured manually for network unit management use.NMS IP usually the private IP address provided by service provider is needed to

11、support ONU voice functions.Broadband internet service uses PPPoE authentication to obtain public network IP address from RSP network.IPTV STB uses PPPoE authentication to obtain public or private network IP address.The main principle is to save the public network IP addresses and divide IP address

12、segments on regional basis. Copyright Shenzhen Grentech Co., Ltd.12FTTH Solution1Network Planning2Installation and maintenance3ODN Design45GrenTech EPON ProductsCONTENTCopyright Shenzhen Grentech Co., Ltd.13FTTH ODN ProductsFloor-stand Cable Floor-stand Cable Transfer BoxTransfer BoxOptical Fiber Sp

13、litterOptical Fiber SplitterFast ConnectorFast ConnectorOptical Fiber SpliceOptical Fiber SpliceFiber PigtailFiber PigtailNetwork Media BoxNetwork Media BoxOptical Cable Terminal BoxOptical Cable Terminal BoxDistribution BoxDistribution BoxFusion BoxFusion BoxODFODFCopyright Shenzhen Grentech Co., L

14、td.14ODN Design for High-rise BuildingsUserUserUserUserDistribution BoxCO 1Communication Optical CableShaft Optical CableRubber Optical CableBldg. No. 15 (30F/116)Splitter 3Splitter 2Splitter 1Splitter 41-8F9-16F17-24F25-30Fn Building Structure 30 Floors high, each floor 4 units (1F is lobby)n Cable

15、s Feeding cableFeeding cable: 4 fibers, from CO to distribution box. Distribution cableDistribution cable: 4-fiber shaft cable, from distribution room to splitters. Access cableAccess cable: rubber optical cable from splitter to indoor ONU.n Splitters 1:32, installed in weak-current wells, covers 8

16、floors.Copyright Shenzhen Grentech Co., Ltd.15ODN Design for Med-rise BuildingsCO 2OLTSplitter444448844448Optical Distribution Boxn Building Structure 12 mid-rise buildings, totally 60 unitsn Cable Route Optical distribution box combines fibers from splitter and distribute them to each floor of buil

17、dings.n Splitter 1:32 in CO 2Communication Optical CableShaft Optical CableRubber Optical CableCopyright Shenzhen Grentech Co., Ltd.16Engineering Guide for ODNChoose Fiber Optical CableChoose Fiber Optical CableOptical fiber: G.652D SMF.When use bend insensitive optical fiber, choose G.657 SMF with

18、MFD matching that of G.652. Cable StructureCable StructureAccording to actual route conditions, outdoor optical cable may lay in earth or piples, over-head or supporting. According to actual applications, indoor optical fiber may use vertical wiring or horizontal wiring method.Cable ModelCable Model

19、Vertical wiring requires cable of dry structure tight buffered and non flame-retardant coating, like GJJV, GJFJV, GJDV, GJFDV, GJBJV, GJBFJV, GJBFJH, GJPFV, GJPFJV, GJFJH, GJFJBH and etc.Horizontal wiring requires cable of dry structure non flame-retardant coating, like GJXF(D)V, GJXF(D)H, GJFJV and

20、 etc。This project uses distribution fiber and access fiber of G.652D SMF, and wing cable of G.657A SMF. These fibers should This project uses distribution fiber and access fiber of G.652D SMF, and wing cable of G.657A SMF. These fibers should meet the local technical requirements of network fiber wi

21、ring specifications.meet the local technical requirements of network fiber wiring specifications.Copyright Shenzhen Grentech Co., Ltd.17ODN Implement Key PointODN SolutionODN Solution OLT and ODF locationsSplitter and distribution box locationsAccess fiber wiring and installation in different applic

22、ations.nDue to difference in building distribution and online penetration, ODN key equipment locations are hard to point, which affects model selection and TCOnIt should be taken into account that the network has smooth expansion ability and flexibility for future PON technology.Copyright Shenzhen G

23、rentech Co., Ltd.18OLT Position Optionsn OLT position depends on the construction budget and network development stage;n PON featuring long-distance coverage should also be considered. COCO Cover the longest distance. Convenient for operation and management. Remote CORemote CO Cover the medium dista

24、nce. Convenient for management and maintenance. Balance capacity and resources. Convergence LayerOutdoor CabinetRemote COOutdoor CabinetOutdoor Cabinet Save fiber. Troublesome to manage and maintain. Cover smaller range. Power supply is a problem.Copyright Shenzhen Grentech Co., Ltd.19Splitter Posit

25、ion OptionsCOCO Convenient for management and maintenance. Use big qty of fibers. Lack of network flexibility. Implement cost high.COCOCommunity Community Concentrating splitting, easy to install. Simple structure Total cost is acceptable if the density is high.CorridorCorridor Save many fiber resou

26、rces. Complex structure. PON utilization ratio is not high. Suitable for high-density buildings. Outdoor CabinetOutdoor Cabinet Good flexibility. Resident distribution network costs much fewer. High utilization ratio. Large qty of access fibers.Copyright Shenzhen Grentech Co., Ltd.20Splitter Level C

27、OCOOne-level SplittingnOne-level splitting causes less optical loss, and is convenient for test and maintenance.nTwo-level splitting saves distribution cable, and features better network flexibility.nOne-level splitting features high utilization of splitters, while two-or-more level splitting is low

28、.nTwo-level splitting costs more. 1st Level Splitter2nd Level SplitterTwo-level SplittingCOCOCopyright Shenzhen Grentech Co., Ltd.21Two-level Splitting ApplicationsFor future bandwidth improvementFor future bandwidth improvement first level splitting ratio at 1:2 or 1:4; Implement second-level split

29、ting at far end.Mid-rise buildings which can not afford aMid-rise buildings which can not afford a single large ratio splitter. single large ratio splitter.Users gather at far endUsers gather at far end Gathered user quantity is not large; Gathered users are long away from the first-level splitters.

30、Scenario 1Scenario 1Scenario 2Scenario 2Network ExpansionNetwork Expansion Cascade to utilize existing resources.ScenarioScenario 3 3Scenario 4Scenario 41:21:41:21:2+1:21:21:21:2Copyright Shenzhen Grentech Co., Ltd.22Feeding Cable and Distribution Cablen For feeding and distribution cables，it will g

31、reatly reduce ODN budgets if to fully utilize existing metropolitan network fibers and equipment. n Ring structure or chain structure.n Generally, one distribution point may cover 200500 line users, from villas, high-rise buildings and mid-rise buildings.n In different applications, the wiring princ

32、iple is the same for feeding and distribution cables, and differs from access cables.TipsTips 200500 lineDistribution PointDistribution Point Feeding cableFeeding cable Distribution cableDistribution cable Access cableAccess cableCOCOCopyright Shenzhen Grentech Co., Ltd.23Access CableDistribution Ca

33、binet Distribution CableAccess Cable Splitter Boxn Upon different applications, wiring methods are different, including over-head, underground and etc. n Upon different applications, optional access fiber cable includes armored cable, rubber-coated cable and etc.n Upon different applications, choose

34、 access cable with appropriate fiber cores n Agree on access installation and division with users.Copyright Shenzhen Grentech Co., Ltd.24FTTH Solution1Network Planning2Installation and maintenance3ODN Design45GrenTech EPON ProductsCONTENTCopyright Shenzhen Grentech Co., Ltd.25OLT InstallationOLT Ins

35、tallation TipsOLT Installation TipsOLT equipment should be installed indoor only, either in cabinet or on platform, and make sure:n OLT air inlet and outlet have enough space for heat dispersion. n Cabinet or platform should have a good cooling system itself.n Cabinet or platform are solid enough to

36、 hold the OLT and its accessories.n Cabinet or platform should have good ground connection.Panel NamePanel NameIndicator Indicator DescriptionDescriptionPWRACTOn：WorkingOff：AbnormalALMOn：AlarmOff：No AlarmSWAACTOn：WorkingOff：AbnormalALMOn：AlarmOff：No AlarmEP4ACTOn：WorkingOff：AbnormalALMOn：AlarmOff：No

37、 AlarmLINKOn：ONU connected to PONOff：No ONU connected to PONHUPACTOn：WorkingOff：AbnormalALMOn：AlarmOff：No AlarmLINKOn：Interface connectedOff：Interface not connectedFlashing：Data transferring VISTA1600E/F Panel Indicator DescriptionsVISTA1600E/F Panel Indicator DescriptionsCopyright Shenzhen Grentech

38、 Co., Ltd.26ONU InstallationONU Installation TipsONU Installation Tips ONU should be installed in a safe position which is convenient for wiring. Below are descriptions for ONU indicators.LED IndicatorLED IndicatorDescriptionDescriptionLED ColorLED ColorLED StatusLED StatusCaptionsCaptionsPOWERPOWER

39、Power statusGreenOnPower onOffPower offPONPONPON registration statusGreenOnPON registration succeededOffPON registration not completedFlashingPON registration faultLOSLOSOptical signal lossRedFlashingOptical signal not receivedOffOptical signal receivedCATVCATVCATV signal statusYellowOnCATV optical

40、input-8dBmRedOnCATV optical input-2dBmLAN1/2/3/4LAN1/2/3/4LAN1/2/3/4 interfaces status GreenOnLAN connection succeededFlashingData transferring OffPower off or no LAN connectionPhonePhone1-21-2Voice service statusGreenOnSwitch registration succeeded, and no service on the lineFlashingService on the

41、lineOffPower off or no switch registrationVOIPVOIPIAD StatusGreenFlashingService on the lineOnSwitch registration succeeded, and no service on the lineOffPower off or no switch registrationCopyright Shenzhen Grentech Co., Ltd.27Splitter InstallationSplitter Installation TipsSplitter Installation Tip

42、sn In transfer box, each plate and fiber in ODF should be labeled the route and end on position. n ODF should have reliable independent grounding connection from earth bar.n Splitter should be installed neat and orderly; pigtails should have keep some extra length for maintenance.n Bend radius shoul

43、d be no less than dynamic bending radius by-20D or 20H; when positioning it should be no less than static bending radius. This will help reduce the link loss.n Use protective tube to protect the jump fiber connectors from dust or oil. ItemsItemsAverage LossAverage Loss(dB)(dB)Connection Connection P

44、ointPointConnector0.30.3Mechanical connection0.20.2Splicing0.10.1SplittingSplitting1:6419.719.71:3216.516.51:1613.513.51:810.510.51:47.27.21:23.23.2FiberFiber(G.652)(G.652)1310nm(1 km)0.350.351490nm1490nm(1 km)(1 km)0.250.25Copyright Shenzhen Grentech Co., Ltd.28FTTH Operation and Maintenanceu EPON

45、Network Management System-Topology EPON Network Management System-Topology ManagementManagement GrenTech network management system support unified management of GrenTech full lines of EPON products.u Network Element ManagementNetwork Element Management Capture OLT and ONU information in network, aut

46、omatically detect far-end ONU connected to OLT and construct topology links.u EPON System Configuration ManagementEPON System Configuration Management English/Chinese management interface. Various modules are provided for different services to quickly configure OLT and ONU.u Event and Alarm Manageme

47、ntEvent and Alarm Management Events and Alarms are reported in time and accurately. System support alarm auto-cancellation, selectable alarm options and reporting by email/SMS.u Performance ManagementPerformance Management For network element , support real-time/regular/timing information collecting

48、 for equipment testing reference.Copyright Shenzhen Grentech Co., Ltd.29FTTH Solution1Network Planning2Installation and maintenance3ODN Design45GrenTech EPON ProductsCONTENTCopyright Shenzhen Grentech Co., Ltd.30EPON OLT8U Chassis EPON OLT EP4: Max. 10 PON service cards with 4 ports.SWA: Support dua

49、l core control panel for protection switching.HUP: Support dual uplink panel.PWR: Support dual power supply panel.EPON Interface：4Max. 40 PON ports.Uplink Interface：8x1000BASE-X SFP interfaces and 2x10GBASE-X XFP interfaces.VISTA 1600FCopyright Shenzhen Grentech Co., Ltd.31EPON ONUVISTA-B03-304l4x10/100M Ethernet interfaces support 10/100BASE-T standard; lSupport duplex and full-duplex auto-negotiation, traffic control and LINK/ACT status indication;l2 fixed POS interfaces support RJ11; support