Ƙididdigar farkous (O1)
TheONUA cikin wannan halin yanzu ya kunna kuma yana cikin LOS / LOF. Da zarar an karɓi rafi na ƙasa, an kawar da LOS da LOF, kumaONUmatsawa zuwa matsayin jiran aiki (O2).
Stadby Standus(O2)
TheONUna wannan matsayi ya karɓi ƙasa, yana jiran karɓar sigogin cibiyar sadarwa.Lokacin daONUyana karɓar saƙon Upstream_Overhead, yana aiwatar da daidaitaccen daidaitaccen tsari (misali, halin ƙila, yanayin wutar lantarki, jinkirta ma'auni da aka saita) kuma yana canzawa zuwa matsayin lambar serial (O3).
Matsayin Serial Number (O3)
TheOLTyana aika saƙonnin Buƙatun Serial-Lamba zuwa ga dukONUa cikin wannan matsayi don gano sabonONUda kuma serial number.Lokacin daOLTya sami sabonONU, daONUjira daOLTa ba shiONU-ID.OLTwuce saƙon Assign_ONU-ID yana nufin wasan ONU-ID.BayanONUsamuONU-ID, yana canjawa zuwa matsayi na gaba (O4).
Raging status (O4)
Daban-dabanONUaika sigina yakamata su kasance suna aiki tare lokacin da suka isaOLT, don kowaneONUyana buƙatar jinkirin ma'auni, kuma ana auna wannan siga a cikin matsakaicin matsayiONUyana karɓar saƙon Ranging_Time kuma yana matsawa zuwa matsayi mai gudana (O5).
Matsayin Gudu (O5)
TheONUa cikin wannan matsayi na iya aika bayanan haɓakawa da saƙonnin PLOAM a ƙarƙashin kulawarOLT, da kumaONUA cikin wannan matsayi kuma na iya kafa wasu haɗin kai kamar yadda ake buƙata. Lokacin da kewayon ya yi nasara, dukONUana aika su bisa ga siginar jinkirin lokacin ma'auni don ci gaba da aiki tare da firam ɗin sama.ONUzai kai gaOLTdaban, amma kowane sigina yana bayyana daidai inda ya kamata ya bayyana a cikin firam ɗin sama. Dakata daONUa cikin aiki: A lokacin aiki na al'ada, daOLTna iya haifar daONUdon dakatar da siginar don samun lambar serial na ɗayanONUko nisanta dayanONU.OLTyana dakatar da ba da lasisin duk bandwidth uplink na wani lokaci,ONUyana aiki ta hanyar al'ada, kuma baya karɓar izini, ƙirƙirar lokacin shiru, don hakaOLTyana haifar da dukaONUdon dakatar da siginar.
Matsayin POPUP (O6)
Ana shigar da wannan matsayi lokacin daONUa cikin yanayin aiki (O5) yana gano LOS ko LOF. A cikin wannan matsayi, daONUnan da nan ya daina aika siginar, don hakaOLTzai gano ƙararrawar LOS donONU.Lokacin da aka katse fiber ODN, da yawaONUzai shiga cikin wannan hali, la'akari da amincin cibiyar sadarwa, ta ɗayan hanyoyi masu zuwa:
Idan an kunna juyar da kariya, dukONUza a juya zuwa madadin fiber. A wannan batu, dukONUzai sake dawowa, kuma wannanOLTyana aika saƙon POPUP na Watsawa don sanar da kowaONUdon shigar da matsayi (O4).
Idan babu juyewar kariyar sai daiONUyana da damar kariya ta ciki, daOLTyana aika saƙon POPUP Directed don sanar daONUdon shigar da matsayi mai gudana (O5).Lokacin daONUya shiga matsayin O5, daOLTyana buƙatar ganoONUna farko sannan kuma Mai da kasuwancin daONU.Idan daONUbaya murmurewa daga LOS ko LOF, daONUBa za a karɓi saƙon POPUP na Watsa shirye-shiryen ba ko saƙon POPUP Directed, kuma bayan lokacin TO2, daONUya shiga matsayin farko (O1).
Jihar Tsaida Gaggawa (O7)
Lokacin daONUyana karɓar saƙon Disable_Serial_Number tare da zaɓin "A kashe", daONUya shiga jihar tasha gaggawa (O7) kuma ya kashe laser. A cikin O7, daONUAn haramta aika sigina.IdanONUbaya samun nasarar shiga jihar O7, da kumaOLTzai iya ci gaba da karɓar sigina dagaONU, daOLTyana haifar da ƙararrawar Dfi.Lokacin daONUkasa, daOLTyana aika saƙon Disable_Serial_Number tare da zaɓi Enable ” don kunnaONU.ONUyana karɓar saƙon kuma ya shigar da jiran aiki (O2) kuma duk sigogi (ciki har da lambar serial da ONU-ID) ana sake duba su.