Jiha ta farko (O1)
An kunna ONU a wannan jiha kuma har yanzu tana cikin LOS/LOF.Da zarar an karɓi ƙasan ƙasa, LOS da LOF sun kawar, da kumaONUmatsawa zuwa jihar jiran aiki (O2).
Jiha mai jiran aiki (O2)
TheONUa cikin wannan yanayin an karɓi shi zuwa magudanar ruwa kuma yana jira don karɓar sigogin cibiyar sadarwa.Lokacin da ONU ta karɓi saƙon Upstream_Overhead, saita ONU dangane da waɗannan sigogin cibiyar sadarwa (misali, masu iyakancewa, yanayin wuta, jinkirta daidaita saiti) kuma canjawa wuri zuwa lambar serial (O3).
Serial-Lambar-jihar (O3)
TheOLTyana aika da Serial-Number Request saƙon zuwa ga duk ONU a wannan jihar don gano sabbin ONU da kuma Serial lambobin su.Lokacin daOLTgano sabonONU, daONUjira daOLTdon sanya masa ONU-ID.TheOLTsanya ONU-ID ta hanyar saƙon Assign_ONU-ID.ONU tana canjawa zuwa jeji (O4) bayan samun ONU-ID.
Matsayi-jihar (O4)
Ya kamata a daidaita siginonin da aka watsa daga ONU daban-daban lokacin da suka isa wurinOLT, wanda kowannensuONUyana buƙatar jinkirin daidaitawa, wanda aka auna a cikin jeri.ONU tana karɓar saƙon Ranging_Time kuma ta matsa zuwa yanayin aiki (O5).
Yanayin aiki (O5)
Onus a cikin wannan jihar na iya aika bayanai da saƙonnin PLOAM a ƙarƙashin ikon OLT, kuma ONUs a cikin wannan jihar na iya kafa wasu hanyoyin sadarwa kamar yadda ake buƙata.Lokacin da kewayon ya yi nasara, duk ONU suna aika sigina bisa ga daidaiton jinkirin su don kiyaye aiki tare da firam ɗin sama.Sigina da ONUs daban-daban suka aika zasu isa wurinOLTdaban, amma kowane sigina zai bayyana daidai inda ya kamata ya bayyana a cikin firam ɗin sama.Dakatar daONUAiki: Yayin aiki na yau da kullun, OLT na iya dakatar da ONU don aika sigina don samun jerin jerin sauran ONUs ko don auna nisan sauran ONU.TheOLTyana dakatar da ba da izinin duk bandwidth mai haɓakawa na ɗan lokaci, da kumaONUaiki a cikin al'ada hanya.Tunda ba a karɓi izini ba, ba za a watsa sigina ba, wanda zai haifar da lokacin shiru, ta yadda OLT ta sa duk ONU su dakatar da siginar watsawa.
POPUP-jihar (O6)
TheONUa cikin yanayin aiki (O5) yana shiga wannan yanayin lokacin da ya gano LOS ko LOF.A cikin wannan hali, ONU nan da nan ta daina watsa sigina, ta yaddaOLTzai gano ƙararrawar LOS na wannanONU.Lokacin da aka katse fiber ODN, yawancin ONU zasu shiga wannan yanayin.Domin amincin cibiyar sadarwa, yakamata a yi amfani da ɗayan hanyoyin masu zuwa:
Idan an kunna sauyawar gadi, duk ONU za su juya zuwa fiber ɗin jiran aiki.A wannan lokacin, duk ONU za su sake gudanar da ayyuka, wanda OLT ta aika da sakon Watsa shirye-shiryen POPUP don sanar da duk ONU su shiga cikin jihar (O4).
Idan babu kariyar sauyawa sai daiONUyana da damar kariya ta ciki, daOLTyana aika saƙon POPUP Directed don sanar daONUdon shigar da yanayin aiki (O5).Lokacin da ONU ta shiga O5 jihar, daOLTyana buƙatar ganoONUna farko sannan
Mayar da sabis na ONU.Idan daONUbaya murmurewa daga LOS ko LOF, ONU ba za ta karɓi saƙon POPUP na Broadcast ba ko saƙon POPUP Directed, kuma ONU ta shiga yanayin farko (O1) bayan lokacin TO2.
Gaggawa-Stop-jihar (O7)
Lokacin daONUyana karɓar saƙon Disable_Serial_Number tare da zaɓin "A kashe", ONU ta shiga jihar tasha gaggawa (O7) kuma tana kashe laser.A cikin jihar O7, an hana ONU watsa sigina.Idan daONUbaya samun nasarar shiga jihar O7 da kumaOLThar yanzu za ta iya ci gaba da karɓar siginar da ONU ta aika, OLT zai haifar da ƙararrawar Dfi.Lokacin da aka warware laifin ONU, daOLTyana aika saƙon Disable_Serial_Number tare da zaɓin "Enable" don kunna wannan ONU.Bayan karbar sakon, daONUya shiga jihar jiran aiki (O2), kuma duk sigogi (ciki har da lambar jeri da ONU-ID) za a sake duba su.
Abubuwan da ke sama na ilimi game da tsarin bayani neONUmatsayi da kunnawa wanda Shenzhen HDV Phoelectron Technology LTD ya kawo., Wanda ke ƙera kayan aikin sadarwa a matsayin manyan samfuran sa.Abubuwan da ke da alaƙa sun haɗa da: OLT ONU / IntelligentONU / AC ONU / Fiber ONU / CATV ONU / GPON ONU / XPONONU / OLT kayan aiki / OLT Canja / GPON OLT / EPONOLTda sauransu, maraba da masu amfani don zuwa shawarwarin samfurin.
