Optical access network (ke hore, marangrang a phihlello a nang le khanya e le mokhoa oa phetiso, sebakeng sa terata ea koporo, e sebelisoa ho fihlella lelapa ka leng. Optical access network).Optical access network hangata e na le likarolo tse tharo: optical line terminalOLT, yuniti ea marang-rang ea opticalONU, marang-rang a kabo ea opticalODN,eo ho eonaOLT leONUke likarolo tsa mantlha tsa marang-rang a optical access
OLTe emetse Optical Line Terminal.OLTke optical line terminal, ke lisebelisoa tsa ofisi ea likhokahano, tse sebelisetsoang ho hokahanya kutu ea fiber ea optical, karolo e lekanang leswitjhaor routermocheng oa puisano oa setso, ke sesebelisoa sa monyako oa marang-rang oa kantle le monyako oa marang-rang oa ka hare. E behiloe qetellong ea lehae, mesebetsi ea bohlokoa ka ho fetisisa ea tsamaiso ke kemiso ea sephethephethe, taolo ea buffer, le ho fana ka sehokelo sa marang-rang se shebaneng le basebelisi le ho fana ka bandwidth. Ka mantsoe a bonolo feela, ke ho finyella mesebetsi e 'meli, ho ea holimo, ho phethela phihlello e holimo ea marang-rang a PON; Ka tlase, data e fumanoeng e romelloa ho bohleONUlisebelisoa tsa terminal tsa basebelisi ka marang-rang a ODN.
ONUke Setsi sa Optical Network.ONUe na le mesebetsi e 'meli: ho khetha ho amohela khaso e rometsoeng keOLT, le ho amohela karabo hoOLThaeba data e hloka ho amoheloa; Bokella le ho boloka data ea Ethernet eo mosebelisi a hlokang ho e romella, 'me u romelle data e bolokiloeng hoOLTterminal ho latela fensetere e rometsoeng.
On The FTTx netweke (tobetsa mona Ho ithuta ka potlako ka FTTx), theONUmokhoa oa ho fihlella o fapana ka phano e fapaneng. Mohlala, Fiber To The Curb (FTTC): TheONUe behoa ka kamoreng ea thepa e bohareng ea sele. FTTB(Fiber Ho ea Moahong) :ONUe kenngoa ka lebokoseng la ho qetela la phasejeng; FTTH(Fiber To The Home) : TheONUe behiloe ho mosebelisi oa lapeng.
OLTke setsi sa tsamaiso,ONUke terminal; Pulo ea litšebeletso tsaONUe fanoa kaOLT, 'me kamano pakeng tsa bobeli ke morena le lekhoba. Tse ngatanyanaLi-ONUe ka hokelloa hoOLTka ho arola.
ODN ke Optical Distribution Network, marang-rang a kabo ea optical, mocha oa 'mele oa phetiso ea optical lipakeng tsa.OLTleONU. Mosebetsi oa eona o ka sehloohong ke ho phethela phetiso ea mahlakore a mabeli a matšoao a optical. Hangata e entsoe ka fiber optical le cable, optical connector, optical splitter, le lisebelisoa tse thusang ho kenya le ho hokahanya lisebelisoa tsena. E 'ngoe ea likarolo tsa bohlokoa ka ho fetisisa ke optical splitter.
HDVe ka fa bareki mefuta e mengata ea lihlahisoa le tharollo ea FTTH. E thehiloe ka 2012, HDV ke mofani oa tharollo ea sebaka se le seng le moetsi oa ODM & OEM bakeng sa marang-rang a phihlello ea fiber. Ho ea ka litlhoko tsa bareki, re ka thusa bareki ho rala merero ea moralo oa lihlahisoa tse bolokang chelete e ngata le lihlahisoa tse ikhethileng, le ho fana ka lits'ebeletso tsa netefatso ea boleng ba ODM & OEM. E 'nile ea khomarela moea oa bonngoe, ho sebetsa ka thata, mekhoa e mecha, katleho le botšepehi, ka bokhoni bo matla ba botekgeniki ba R & D le tsamaiso e phethahetseng ea ho fana ka thepa, ho fa bareki lihlahisoa tsa boleng bo phahameng ba lisebelisoa tsa puisano tsa fiber le litharollo tsa theknoloji, ha re sebetseng. hammoho, win-tlhōla bokamoso!