Docsis dhau PON (D-PON)

DOCSIS OVER PON (D-PON)

Docsis tshaj PON (D-PON) lub tswv yim muab cov kev daws teeb meem rau CATV MSO kom muab HDTV + Ethernet cov kev pabcuam rau kwv yees li 3000 FTTH cov neeg siv khoom hauv zej zog tsawg dua 10Km fiber ntau nyob rau hauv qhov chaw ua haujlwm headend.Txhua tus neeg siv yuav muaj 60ch + QAM channel HDTV cov ntsiab lus thiab 50Mbps broadband muaj peev xwm.RFoG micronode, CMTS thiab CWDM yog cov khoom siv tseem ceeb hauv daim ntawv thov no.

SCTE tshaj tawm RF hla iav (RFoG) tus qauv SCTE-174-2010 ob peb xyoos dhau los, txhais tau hais tias txoj kev rov qab tawg hom uas tso cai rau tib lub cable modem xa rov qab cov ntaub ntawv hla fiber ntau cable rau CMTS thaum tag nrho cov cable modems tau teeb tsa ntawm TDMA hom.Nrog RFoG, Cable MSO tuaj yeem txuas ntxiv CMTS / Cable Modem kev pabcuam los ntawm HFC network rau Fiber rau hauv tsev (FTTH) network.Qhov no yog qhov hu ua DOCSIS dhau Passive Optical Network (D-PON).D-PON txhawb 1x32 optical splitter ntawm 20Km fiber ntau nrug los yog 1x64 optical splitter ntawm 10Km fiber ntau nrug.

Peb kuj tau qhia Docsis 3.0 mini-CMTS raws li tus qauv C-DOCSIS.GmCMTS30 muaj 16ch downstreaming channels thiab 4 upstreaming channels, uas txhawb nqa docsis 2.0 thiab docsis 3.0 cable modems.Ntawm 256QAM, 16 DS channels yuav tau sib koom 800Mbps bandwidth, uas txhais tau hais tias rau 256 cable modem cov neeg siv khoom, qhov ntshiab Ethernet ceev tuaj yeem yog li 50Mbps.

kev lag luam, thev naus laus zis thiab tib neeg lub tswv yim - zoo siab luag ntxhi ua lag luam nrog kev sib tham video los ntawm lub khoos phis tawj laptop ntawm chaw ua haujlwm

Nrog rau kev sib xyaw ua ke zoo tshaj plaws ntawm CMTS thiab D-PON, Cable MSO tuaj yeem muab kev sib tw HDTV thiab kev pabcuam hauv Is Taws Nem Siab ntawm tus nqi pheej yig.Nrog fiber ntau rau hauv tsev, tag nrho cov kev tu thiab txhim kho tau yooj yim dua.

lus-2

Hauv cov txheej txheem ntawm Docsis 3.1 lossis Docsis 4.0 uas thov rov qab txoj hauv kev txuas ntxiv ntawm CATV bandwidth qis, kho qhov muag cuam tshuam cuam tshuam (OBI) yog qhov nyuaj dua hauv PON system.Nrog built-in uncooled CWDM rov qab txoj kev laser ntawm lub qhov rais xaiv optical, GFH2009 RFoG Micronode paub txog OBI kev thov dawb ntawm kev siv nyiaj txiag, muaj qhov zoo ntawm kev tshaj tawm ntau pua HD TVs thiab sib koom 10Gbps Ethernet cov ntaub ntawv.

surgetes_04

Saib D-PON lub tswv yim network teeb duab thiab D-PON headend khoom siv kev sib txuas teeb duab.

Kev daws teeb meem D-PON