Ho thoeng ke marang-rang a PON a na le likarolo tse tharo:OLT, ODN leONU.AnOLTsesebelisoa se fumaneha motheong oa topology ea marang-rang.E fihlella marang-rang a lits'ebeletso tse ngata holimo le lits'ebeletso tsa basebelisi ba bangata ho ea tlase ka ODN.Ke node ea bohlokoa bakeng sa ho kopanya le ho aba litšebeletso.OLTka nako e le 'ngoe e hlokomela mesebetsi e mengata ea tsamaiso ea marang-rang e kang ho laola, tsamaiso, ho fapana joalo-joalo ho sesebelisoa sa barekiONU.OLTLisebelisoa ke tsona tsa mantlha tsa marang-rang a PON ka bobeli ho latela sebaka sa marang-rang kapa ts'ebetso ea marang-rang.Ka lits'ebeletso tse ntseng li eketseha tse kang phihlello ea Marang-rang, video ea 4K IPTV, lits'ebeletso tse bohlale tsa lapeng, mela e inehetseng ea likhoebo tse nyane le tse mahareng, lentsoe la IMS, le mobile backsend li tsamaisoa marang-rang a PON, tlhoko ea bandwidth le boemo ba ntlafatso. tsamaiso tsoela pele ho eketseha .Ntšetso-pele ea theknoloji ea PON le ho tsamaisoa le ho iphetola ha lintho tsaOLTlisebelisoa li bapala karolo ea bohlokoa ho nts'etsopele ea marang-rang a marang-rang a marang-rang.
Tlhahlobo ea boemo ba marang-rang a PON
(1)OLTphepelo ea thepa
TheOLTlisebelisoa tsa basebetsi ba malapeng li ile tsa sebelisoa ka 2006, 'me li ne li sebelisoa haholo-holo bakeng sa phihlello ea PON + DSL mohatong oa pele.Ho tloha ka 2009, FTTH e kentsoe ka bongata bo boholo ka lilemo tse fetang 10.Ho ea ka marang-rang a marang-rang, matla a ho fetola mochine oohle, le tšehetso ea karete ea boto ea PON, ho na le meloko ea 2 ~ 3 ea lihlahisoa tse ntseng li sebetsa ka har'a marang-rang a hona joale. ts'ebetso ea hona joale ea marang-rang e fihla ho 40G / slot, 'me bohle ba tšehetsa 10G EPON le XG-PON1.
(2) Tšebeliso ea theknoloji ea PON
Ka tšebeliso ea butle-butle ea khoebo ea theknoloji ea 10G PON, likarete tsa PON tse hlophisitsoeng keOLTlisebelisoa tsa marang-rang tsa hona joale li arotsoe ka mefuta e mene: EPON, GPON, 10G EPON le XG-PON, tseo har'a tsona EPON le GPON ke tsona tse ka sehloohong.
Tlas'a ts'ebetso ea ntlafatso ea litekanyetso tsa EPON ke China Telecom le China Unicom, EPON ea basebetsi ba malapeng e rekisoa ka lilemo tse 2 ho isa ho tse 3 pele ho GPON.Pele ho 2013, mohaho o ne o laoloa ke EPON, 'me joale, ka lebaka la melemo ea GPON ho bandwidth, butle-butle e ile ea nka boemo bo ka sehloohong.OLTkaho.Ho latela pono ea hona joale ea ho tsamaisoa ha setoko sa marang-rang, theOLTthepa ea China Unicom le China Mobile haholo-holo GPON, ha China Telecom haholo-holo EPON.
Kaho ea 10G PON e qalile ho pota 2015. Kaha theko ea 10G optical module e lula e le holimo, theko ea 10G PON ONT e ka bang makhetlo a 5 a li-terminals tsa EPON / GPON tse teng.Sebakeng sa hajoale moo basebelisi ka kakaretso ba fanang ka li-terminals ho bareki, 'me tlhoko ea khoebo e ka tlase ho 100 Mbit / s, basebelisi bohle ba ka sehloohong ba hlokolosi mabapi le ho tsamaisoa le ho sebelisoa ha 10G PON.Hona joale, mokhoa oa kaho oa 10G PON o sebelisoa haholo-holo ho 10 GPON + LAN le FTTH deployment.10 GPON + LAN ke haholo-holo ho fetola sele e teng LAN, marang-rang le marang-rang a PON + LAN.Ka lehlakoreng le leng, e rarolla bothata ba bandwidth e sa lekaneng e bakoang ke palo e phahameng ea basebelisi ba ho fihlella;ka lehlakoreng le leng, kaha basebelisi ba bangata ba arolelana theko ea optical module ho MDU, theko ea kakaretso e eketseha hanyenyane ha e bapisoa le PON + LAN, kahoo e na le kopo e kholo, 'me bobeli ba 10G PON le XG-PON ba amoheloa.Kaho ea 10G PON FTTH haholo-holo ke morero oa teko o etsoang ke basebetsi ba fapaneng.Sepheo se seholo ke ho phatlalatsa le ho netefatsa lihlahisoa tsa 10G PON FTTH.
Ka holimo ke tlhaloso ea sebopeho se akaretsang sa marang-rang a PON.Lihlahisoa tsa marang-rang tsa Shenzhen HDV Photoelectronic Technology Co., Ltd. kaofela ke lisebelisoa tse hlahisoang ho potoloha marang-rang a PON, ho kenyeletsoa.ONUletoto /OLTseries / optical module series / transceiver series joalo-joalo.
