Boemo ba pele (O1)
ONU seterekeng sena e sa tsoa sebelisoa 'me e ntse e le LOS / LOF.Hang ha metsi a tlaase a amoheloa, LOS le LOF li felisa, le hoONUe fallela boemong ba standby (O2).
Boemo ba maemo (O2)
TheONUnaheng ena e amohetsoe ho phallo e tlase 'me e emetse hore ho amoheloe mekhahlelo ea marang-rang.Ha ONU e amohela molaetsa oa Upstream_Overhead, lokisa ONU ho latela li-parameter tsena tsa marang-rang (mohlala, li-delimiters, mokhoa oa matla, ho lieha ho lekana esale pele) le ho fetisetsoa ho boemo ba nomoro ea serial (O3).
Serial-Nomoro-state (O3)
TheOLTe romela melaetsa ea Serial-Number Request ho li-ONU tsohle tse boemong boo ho fumana li-ONU tse ncha hammoho le linomoro tsa tsona tsa serial.Ha theOLTe sibolla e nchaONU, theONUe emetseOLTho e abela ONU-ID.TheOLTe fana ka ONU-ID ka molaetsa oa Assign_ONU-ID.ONU e fetisetsoa ho naha e fapaneng (O4) ka mor'a ho fumana ONU-ID.
Ranging-state (O4)
Lipontšo tse fetisitsoeng tse tsoang ho li-ONU tse fapaneng li lokela ho hokahanngoa ha li fihla hoOLT, bakeng sa e mong le e mongONUe hloka tieho ea ho lekana, e lekantsoeng maemong a fapaneng.ONU e amohela molaetsa oa Ranging_Time mme e fallela sebakeng sa ts'ebetso (O5).
Boemo ba tšebetso (O5)
Onus sebakeng sena a ka romella data le melaetsa ea PLOAM tlas'a taolo ea OLT, 'me li-ONU sebakeng sena le tsona li ka theha likhokahano tse ling kamoo ho hlokahalang.Ha mebala e atlehile, li-ONU kaofela li romela matšoao ho latela ho lieha ho lekana ho boloka khokahano ea foreimi ea uplink.Lipontšo tse rometsoeng ke li-ONU tse fapaneng li tla fihla hoOLTka thoko, empa lets'oao ka leng le tla hlaha hantle moo le lokelang ho hlaha ho foreime ea uplink.Emisa theONUts'ebetsong: Nakong ea ts'ebetso e tloaelehileng, OLT e ka emisa ONU ho romela lipontšo ho fumana palo ea tatellano ea li-ONU tse ling kapa ho lekanya sebaka sa li-ONU tse ling.TheOLTe emisa ho lumella li-bandwidth tsohle tsa uplink ka nako e itseng, le hoONUe sebetsa ka tsela e tloaelehileng.Kaha ha ho tumello e amoheloang, ha ho pontšo e tla fetisoa, e leng se tla fella ka nako e khutsitseng, e le hore OLT e etse hore li-ONU tsohle li emise lipontšo tsa ho fetisa.
POPUP-state (O6)
TheONUsebakeng sa ts'ebetso (O5) e kena sebakeng sena ha e lemoha LOS kapa LOF.Boemong bona, ONU hang-hang e khaotsa ho fetisa matšoao, e le hore hoOLTe tla lemoha alamo ea LOS ea senaONU.Ha fiber ea ODN e sitisoa, li-ONU tse ngata li tla kena sebakeng sena.Bakeng sa ho ts'epahala ha marang-rang, e 'ngoe ea mekhoa e latelang e lokela ho sebelisoa:
Haeba phetoho ea molebeli e lumelletsoe, li-ONU tsohle li tla fetohela ho faeba ea standby.Ka nako ena, li-ONU tsohle li tla tsamaisa ho tloha hape, moo OLT e romellang molaetsa oa Broadcast POPUP ho tsebisa li-ONU tsohle ho kena naheng e fapaneng (O4).
Haeba ho se na ts'ireletso ea switching empa eONUe na le matla a ts'ireletso ea ka hare, theOLTe romella molaetsa oa Directed POPUP ho tsebisaONUho kenya boemo ba ts'ebetso (O5).Ha ONU e kena sebakeng sa O5, theOLTe hloka ho tsebaONUpele ebe
Khutlisa tšebeletso ea ONU.Haeba eONUha e hlaphoheloe ho tloha LOS kapa LOF, ONU e ke ke ea amohela molaetsa oa Broadcast POPUP kapa molaetsa oa Directed POPUP, 'me ONU e kena sebakeng sa pele (O1) ka mor'a nako ea TO2.
Boemo ba Emergency-Stop-state (O7)
Ha theONUe fumana molaetsa oa Disable_Serial_Number o nang le khetho ea "Disable", ONU e kena sebakeng sa boemo ba tšohanyetso (O7) ebe e tima laser.Sebakeng sa O7, ONU e thibetsoe ho fetisa matšoao.Haeba eONUha e kene ka katleho mmuso oa O7 leOLTe ntse e ka tsoela pele ho amohela lets'oao le rometsoeng ke ONU, OLT e tla hlahisa alamo ea Dfi.Ha phoso ea ONU e rarollotsoe, theOLTe romela molaetsa oa Disable_Serial_Number ka khetho ea "Enable" ho kenya ONU eo.Kamora ho amohela molaetsa, baONUe kena boemong ba standby (O2), 'me liparamente tsohle (ho kenyeletsoa nomoro ea tatellano le ONU-ID) li tla hlahlojoa hape.
Lintlha tse ka holimo tsa tsebo li mabapi le ts'ebetso ea tlhaloso eaONUboemo le ts'ebetso e tlisoang ke Shenzhen HDV Phoelectron Technology LTD., e leng moetsi ea khethehileng ka thepa ea puisano e le lihlahisoa tsa eona tse ka sehloohong.Thepa e amanang le eona e kenyelletsa: OLT ONU/ IntelligentONU/ AC ONU/ Fiber ONU/ CATV ONU/ GPON ONU/XPONONU/OLT thepa/OLT Switch/GPON OLT/ EPONOLTjoalo-joalo, amohela basebelisi ho tla lipuisanong tsa sehlahisoa.
