Jiha ta farko (O1)
TheONUA cikin wannan jihar an kunna wuta kuma har yanzu yana 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 daONUyana karɓar saƙon Upstream_Overhead, saitaONUdangane da waɗannan sigogin cibiyar sadarwa (misali, masu iyakancewa, yanayin wutar lantarki, saiti na jinkirta daidaitawa) da canjawa wuri zuwa lambar serial (O3).
Serial-Lambar-jihar (O3)
TheOLTyana aika saƙonnin Buƙatun Serial-Lamba ga kowaONUa cikin wannan jihar don gano sabonONUda kuma Serial lambobin su. Lokacin daOLTgano sabonONU, daONUjira daOLTdon sanya shiONU-ID. TheOLTsanya ONU-ID ta hanyar saƙon Assign_ONU-ID.ONUcanja wuri zuwa jeri na jihar (O4) bayan samun ONU-ID.
Matsayi-jihar (O4)
Sigina da aka watsa daga daban-dabanONUya kamata a daidaita su lokacin da suka isa wurinOLT, wanda kowannensuONUyana buƙatar jinkirin daidaitawa, wanda aka auna a cikin jeri. TheONUyana karɓar saƙon Ranging_Time kuma ya matsa zuwa yanayin aiki (O5).
Yanayin aiki (O5)
Onusa cikin wannan jihar na iya aika bayanai da saƙonnin PLOAM a ƙarƙashin kulawarOLT, kumaONUa cikin wannan jiha kuma na iya kafa wasu hanyoyin sadarwa kamar yadda ake buƙata. Lokacin da jeri ya yi nasara, dukaONUaika sigina bisa ga daidaiton jinkirin su don kula da aiki tare na firam ɗin sama. Sigina sun aiko ta dabanONUzai isa wurinOLTdaban, amma kowane sigina zai bayyana daidai inda ya kamata ya bayyana a cikin firam ɗin sama. Dakatar daONUa cikin aiki: A lokacin aiki na al'ada, daOLTzai iya dakatar daONUdon aika sigina don samun jerin adadin wasuONUko don auna nisan sauranONU. 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 yaddaOLTsa dukaONUdakatar da sigina masu watsawa.
POPUP-jihar (O6)
TheONUa cikin yanayin aiki (O5) yana shiga wannan yanayin lokacin da ya gano LOS ko LOF. A cikin wannan jiha, daONUnan da nan ya daina watsa sigina, ta yaddaOLTzai gano ƙararrawar LOS na wannanONU. Lokacin da ODN fiber ya katse, da yawaONUzai shiga wannan hali. Domin amincin cibiyar sadarwa, yakamata a yi amfani da ɗayan hanyoyin masu zuwa:
Idan an kunna sauya mai gadi, dukONUsocanzaa kan fiber ɗin jiran aiki. A wannan lokacin, dukONUzai sake gudanar da jeri, wanda don hakaOLTaika saƙon POPUP na Watsa shirye-shirye don sanar da duk ONU don shigar da kewayon 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 daONUya shiga jihar O5, daOLTyana buƙatar ganoONUna farko sannan
Mayar da sabis na ONU. Idan daONUbaya murmurewa daga LOS ko LOF, daONUba zai karɓi saƙon POPUP na Watsa shirye-shiryen ba ko saƙon POPUP ɗin da aka Kai tsaye, da kumaONUya shiga yanayin farko (O1) bayan lokacin TO2.
Gaggawa-Stop-state (O7)
Lokacin daONUyana karɓar saƙon Disable_Serial_Number tare da zaɓin "A kashe", daONUya shiga jihar tasha gaggawa (O7) kuma ya kashe Laser. A jihar O7, daONUharamun ne watsa sigina. Idan daONUbaya samun nasarar shiga jihar O7 da kumaOLTna iya ci gaba da karɓar siginar da aka aikoONU, daOLTzai haifar da ƙararrawar Dfi. Lokacin da laifin anONUan warware, daOLTyana aika saƙon Disable_Serial_Number tare da zaɓin "Enable" don kunna wancanONU. 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: OLTONU/ IntelligentONU/ ACONU/ FiberONU/ CATVONU/ GPONONU/XPONONU/OLTkayan aiki/OLTSauya/GPONOLT/ EPONOLTda sauransu, maraba da masu amfani don zuwa shawarwarin samfurin.
