Palo ea peleus (O1)
TheONUBoemong bona bo sa tsoa qala ho sebetsa 'me bo ntse bo le LOS / LOF. Hang ha molapo o tlase o amoheloa, LOS le LOF lia felisoa, 'meONUe fallela boemong ba standby (O2).
Palo ea standbyus(O2)
TheONUea boemo bona e amohetse tlaase, e emetse ho amohela mekhoa ea marang-rang.Ha theONUe amohela molaetsa oa Upstream_Overhead, e etsa tlhophiso e nepahetseng (mohlala, sebopeho sa moeli, mokhoa oa matla, ho lieha ho seta pele ho lekana) le ho fetisetsa ho boemo ba nomoro ea serial (O3).
Boemo ba Nomoro ea serial (O3)
TheOLTe romella melaetsa ea Kopo ea serial-Number ho bohle baONUboemong boo ho sibolla tse nchaONUmmoho le nomoro ya tsona ya seriale.Ha theOLTe fumana e nchaONU, theONUe emetseOLTho fana kaONU-ID.OLTfeta Molaetsa wa Assign_ONU-ID o bolela papadi ya ONU-ID.Ka moraONUfumanaONU-ID, e fetisetsa boemong bo fapaneng (O4).
Ranging status (O4)
FapanengONUromela matshwao a lokela ho lula synchronized ha ba fihla hoOLT, e le hore e mong le e mongONUe hloka tieho ea tekano, 'me paramethara ena e lekantsoe ka boemo bo fapaneng.TheONUe amohela molaetsa oa Ranging_Time ebe e ea boemong ba ho sebetsa (O5).
Boemo ba ho matha (O5)
TheONUboemong bona o ka romela data ea uplink le melaetsa ea PLOAM tlas'a taolo eaOLT, le hoONUboemong bona ho ka boela ha theha dikgokelo tse ding kamoo ho hlokehang.Ha rangeing e atlehile, bohle baONUli romelloa ho ea ka nako ea tsona e leka-lekaneng pontšo ea ho lieha ho boloka foreimi ea uplink e hokahantsoe.Matšoao a rometsoeng ke ba fapaneng.ONUtla fihla hoOLTka thoko, empa letshwao ka leng le hlaha hantle moo le lokelang ho hlaha foreiming ya uplink.Emisa theONUts'ebetsong: Nakong ea ts'ebetso e tloaelehileng, theOLTe ka bakangONUho kgefutsa letshwao ho fumana nomoro ya seriale ya enngweONUkapa hole le emongONU.OLTe emisa ho fana ka laesense bandwidth eohle ea uplink ka nakoana,ONUe sebetsa ka tsela e tloaelehileng, 'me ha e fumane tumello, e theha nako e khutsitseng, kahooOLTe bakang tsohleONUho emisa sesupo.
Boemo ba POPUP (O6)
Boemo bona bo kenngoa ha hoONUmaemong a ts'ebetso (O5) e lemoha LOS kapa LOF. Boemong bona, theONUhang-hang khaotsa ho romela pontšo, e le hore theOLTe tla lemoha alamo ea LOS bakeng saONU.Ha fiber ea ODN e sitisoa, tse ngataONUe tla kena sebakeng sena, ho nahanoa ka ts'epo ea marang-rang, ka e 'ngoe ea litsela tse latelang:
Haeba ts'ireletso ea ts'ireletso e lumelletsoe, kaofelaONUtla inverted ho bekapo faeba.Nakong ena, tsohleONUe tla khutla hape, 'me senaOLTe romela molaetsa oa Broadcast POPUP ho tsebisa bohleONUho kenya boemo ba ho fapana (O4).
Haeba ha ho na tšireletso inversion empa hoONUe na le matla a ts'ireletso ea ka hare, theOLTe romella molaetsa oa Directed POPUP ho tsebisaONUho kenya boemo ba ho matha (O5).Ha theONUkena boemo ba O5, theOLTe hloka ho tsebaONUpele ebe o Khutlisa khoebo eaONU.Haeba theONUha e hlaphoheloe ho LOS kapa LOF, theONUe ke ke ea amohela molaetsa oa Phatlalatso oa Phatlalatso kapa molaetsa oa Directed POPUP, 'me ka mor'a nako ea TO2, theONUe kena boemong ba pele (O1).
Boemo ba Emergency Stop State (O7)
Ha theONUe fumana molaetsa oa Disable_Serial_Number ka khetho ea "Disable", theONUe kena boemong ba ho ema ha tshohanyetso (O7) mme e tima laser.Naheng ya O7, theONUe thibetsoe ho romela matshwao.Haeba theONUha e atlehe ho kena mmusong oa O7, le hoOLTe ka tsoela pele ho amohela matšoao a tsoang hoONU, theOLTe hlahisa Dfi alamo.Ha theONUhloleha, leOLTe romella molaetsa oa Disable_Serial_Number ka khetho ea Enable ” ho kenya tšebetsongONU.ONUe amohela molaetsa ebe e kenya standby (O2) mme diparamente tsohle (ho kenyeletswa nomoro ya serial le ONU-ID) di hlahlojwa hape.