【精品文档】-盐城市区有线电视网络规划建设方案

2009(11)CHINADIGITALCABLETV:TN943.6:B:1007-7022(2009)11-1160-06,(,224000):,,,,EPONLANEOC,:;EPON;EOC;TheYanchengCityAreaCableTelevisionNetworkConstructionSchemeDINGJian,WANGJing(JiangsuBroadcastTelevisionNetworkCorp.,Ltd.,YanchengBranch,JiangsuYancheng224000,China)Abstract:FromthecurrentsituationofYanchengcabletelevisionnetworkandcombiningwiththedevelopmentofnewtechniqueandnewbusiness,thisarticlebringsforwardtheurgencyandnecessityofnetworktransfor2mation.Onreformingpattern,backbonenetworkadoptsbothpositiveandnegativesignalringstoformtheself2curetypefiber2opticalloopednetwork.Thecut2overnetadoptstheEPON,theLANandtheEOCtocon2structthehighbandwidth,thetwo2wayhighreliabilitycabletelevisionnetwork.Alltheaboveiswiththepur2poseofmakingtheYanchengcabletelevisionnetintothebroadbandintegratedservicedigitalnetwork.Keywords:cabletelevisionnetwork;EPON;EOC;accessnetwork11993,550MHz,,(HFC),13,4,4,,,,860MHz,355,4,500,2004860MHz,550MHz,,,,,,,,:(19702),,,,E-mail:[e-mail];(19752),,,0611,,,139(BC)(IC),,BCIC,,2,,,,,,,::,,:,::,,,BCIC,IP,3,,,,,:(1),(2),(3):,,(4):,,,,(5):,,(6),45860MHz,65/87MHz,565MHz,87860MHz,:(1)565MHz:(2)6587MHz:(3)87108MHz:(4)108550MHz:PAL-D(5)550862MHz:5860MHz,3,,50,,,,:,,5.1,,:,3,5(),,,1310+1310nm1310+1550nm(),1611200911::(1)(),(2),(3),(4)(5):,:1310nm+1310nm1310nm+1550nm,,3,1310nm+1310nm,,1310nm+1550nm():1310nm+1310nm,,5,,4,,50,,,1310nm1550nm,2,2,2,,RF,,,,,1310nm,,,,5.25.2.1:(),():,:(),(),2,,5.2.26,2,2,2,36:12,24,1,1,2,,;,,1550nm,5.2.3,1310nm1550nm,:1310nm0.4dB/km,1550nm0.25dB/km,0.5dB/,:0.5dB,0.5dB,,0.4dB(0.05dB/km),Kn=(K1)+(K2)+(K3)+(K4)+(K5)5.2.4(1)1(C/N)/dB43441/10574/10485/1047CTB/dB54551/10755/10614/1063CSO/dB54551/10755/10614/10632611:2009115.35.3.1,,,:(1):FTTB+EPON+LAN,,ONU,(2):FTTC+EPON+EOC,,,CMTS+CM,,,FTTC+EPON+EOC5.3.2FTTB+EPON+LANEPONOLT()ONU()ODN(,),POS,,OLTONU,,2481632,OLTEPON,EPON,,ONU,OLTONUONUWDM,(10/100Mbit/s),,OLT,,(OLTONU),ONU,MAC(ONUOLT),OLT,ONU,ONUEPON1Gb/s(8B/10B,1.25Gb/s),EPON,OLT,,,,EPON132,ONU32Mb/sEPON,,EPON132116,64Mb/s,OLT,EPON:(1)(OLT)(ONU),,(2)(1490nm,1310nm,1550nm),OLT,20km32ONU,OLT(3),,(TDMA),,(4),ONU,(5)EPONTDMIP,TDMIPIEEE802.3,,(1550nm)EPON:(1)EPONPON,IP1Gbps,64ONU800Mbps(2)EPON/,,3611200911:(3),PON,PONHFC,EPON,,HFCEPON,HFC,,,,(4)EPON,,VLANVPNIPSec,(5)QoSHFC+CableModem,EPONTDMIP,TDMIPIEEE802.3,,CATV,CATVFTTB+EPON+LAN,ONU,CATV,ONUCATVLAN,CATVIP,,,1OLT,PONPON,PON32ONU,,1ONU,5.3.3FTTC+EPON+EOC(1)EOC(OFDM),,,CMTS,MHzHFC,,6090dB,,,,,,ONU(2)OFDM,N,,QAMBPSKQPSK16QAM64QAM128QAM256QAM,,,,SNR(),,,(3),HFC,ONU,EOC,HFC,EOCEOC,,,,,EOC,EPON+EOCEPON,HFC,;EOCEPON,,,,,,,FTTB+EPON+LAN,EOC,EOC,,EOC4611:200911,SYWV-75-12,120SYWY-75-91km,,80SYWY-75-5,6,,,,,,,,,,,,:(1),,(2),(3),(4)(5)7,,,FTTB+EPON+LANFTTC+EPON+EOC,316159596,,2009:[1].[M].,2003.[2].[M].:,1997.[:2009203206]1022,,(),819,,,()(),,SMG,SMG,15111,,323,233,70%90%,10,,,(),,,,,5611200911: