Nhamba yekutangaus (O1)
TheONUmune iyi chinzvimbo ichangobva kusimba uye ichiri mu LOS / LOF. Kana yakadzika yagamuchirwa, iyo LOS neLOF zvinobviswa, uye iyoONUinoenda kune yakamira (O2).
Standby status(O2)
TheONUyechimiro ichi yakagamuchira yakadzika, yakamirira kugamuchira network parameters.When theONUinogamuchira iyo Upstream_Overhead meseji, inoita iyo yakakodzera gadziriso (semuenzaniso, dhizaini hunhu, simba modhi, preset equilibrium kunonoka) uye inoendesa kune serial nhamba mamiriro (O3).
Chimiro cheSerial Number (O3)
TheOLTinotumira Serial-Nhamba Yekukumbira mameseji kune eseONUmune icho chimiro chekutsvaga chitsvaONUuyewo serial number dzavo.When theOLTanowana mutsvaONU, ivoONUanomirira theOLTkuzvipa aONU-ID.OLTpfuura nepaThe Assign_ONU-ID meseji inoreva iyo ONU-ID match.AfterONUanowanaONU-ID, inotamisa kune yakasarudzika mamiriro (O4).
Ranging status (O4)
DifferentONUkutumira masaini kunofanirwa kuramba kwakabatana kana vasvikaOLT, kuti mumwe nomumweONUinoda kunonoka kwekuenzanisa, uye iyi parameter inoyerwa muchimiro chekuenzanaONUinogamuchira iyo Ranging_Time meseji uye inoenda kune yekumhanya mamiriro (O5).
Mamiriro ekumhanya (O5)
TheONUmune ino chimiro inogona kutumira uplink data uye PLOAM mameseji pasi pekutonga kweiyoOLT,uyeONUmune iyi chinzvimbo inogona zvakare kumisa mamwe maratidziro sezvinodiwa.Kana iyo yekuverengera ichibudirira, eseONUinotumirwa zvinoenderana neyavo yakaenzana nguva yekunonoka chiratidzo chekuchengetedza uplink furemu yakawiriraniswa.Zviratidzo zvinotumirwa neakasiyanaONUachasvikaOLTzvakasiyana, asi chiratidzo chega chega chinoonekwa painofanira kuoneka muuplink frame.Misa iyoONUmukushanda: Panguva yekushanda kwakajairika, iyoOLTzvinogona kukonzeraONUkumbomira chiratidzo kuti uwane serial nhamba yeimweONUkana kureba mumweONU.OLTinomira kupa marezinesi ese uplink bandwidth kwenguva,ONUinoshanda nenzira yakajairika, uye haigamuchire mvumo, ichigadzira nguva yakanyarara, sakaOLTzvinokonzera zvoseONUkumbomira chiratidzo.
POPUP Status (O6)
Ichi chimiro chinopinzwa kana iyoONUmuchimiro chekushanda (O5) inoona LOS kana LOF.Mumamiriro ezvinhu aya, iyoONUpakarepo anomira kutumira chiratidzo, kuitira kutiOLTichaona iyo LOS alarm yeONU.Apo iyo ODN faibha inokanganiswa, yakawandaONUichapinda mudunhu iri, tichifunga nezve kuvimbika kwetiweki, mune imwe yeiyi nzira dzinotevera:
Kana kudzivirira inversion ikagoneswa, zveseONUichaita inverted kune backup fiber.Panguva ino, zveseONUachadzoka zvakare, uye izviOLTinotumira meseji yeBroadcast POPUP kuzivisa veseONUkuisa mamiriro ekutenderera (O4).
Kana pasina kudzivirira inversion asi iyoONUine mukati mekudzivirira kugona, iyoOLTinotumira meseji Yakanangidzirwa POPUP kuzivisa iyoONUkupinda kumhanya mamiriro (O5) .Apo theONUinopinda muchimiro cheO5, iyoOLTinoda kuzivaONUkutanga uyezve Dzosera bhizinesi reONU.Kana iyoONUhaina kupora kubva ku LOS kana LOF, iyoONUhaigamuchire iyo Broadcast POPUP meseji kana Yakatungamirwa POPUP meseji, uye mushure meTO2 nguva, iyoONUinopinda muchimiro chekutanga (O1).
Emergency Stop State (O7)
Apo iyoONUinogamuchira Diable_Serial_Number meseji ine "Disable" sarudzo, iyoONUinopinda mu emergency stop state (O7) yodzima laser.MuO7 state, theONUinorambidzwa kutumira zviratidzo.Kana iyoONUhaina kubudirira kupinda muO7 state, uye iyoOLTinogona kuramba ichigamuchira masaini kubva kuONU, ivoOLTinogadzira alarm yeDfi. When theONUanokundikana, aOLTinotumira Diable_Serial_Number meseji ine Gonesa ” sarudzo yekumisikidza iyoONU.ONUinogamuchira meseji uye inopinda yakamira (O2) uye ese ma paramita (kusanganisira serial nhamba uye ONU-ID) anotariswa zvakare.