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    Imiterere nibikorwa byo gukora ONU

    Igihe cyo kohereza: Gicurasi-27-2022

    Imibare yambereus (O1)

    UwitekaONUmuriyi status imaze gukora gusa kandi iracyari muri LOS / LOF.Igihe kimwe cyakiriwe neza, LOS na LOF biravaho, naONUyimuka kuri standby status (O2).

    Guhagararaus(O2)

    UwitekaONUyiyi status yakiriye epfo, itegereje kwakira ibipimo byurusobe.IyoONUyakira ubutumwa bwa Upstream_Overhead, bukora iboneza bijyanye (urugero, imiterere yerekana imipaka, uburyo bwimbaraga, guteganya gutinda kuringaniza) no kohereza kuri numero yuruhererekane (O3).

    Imibare ikurikirana (O3)

    UwitekaOLTKohereza Serial-Umubare Gusaba ubutumwa kuri byoseONUmuri iyo status kugirango tumenye ibishyaONUkimwe numero yabo yuruhererekane.Iyo iOLTabona agashyaONU, iONUKurindiraOLTgutangaONU-ID.OLTunyuze mu butumwa bwa Assign_ONU-ID bivuga umukino wa ONU-ID. NyumaONUKubonaONU-ID, yimurira kumurongo urwego (O4).

    Ranging status (O4)

    BitandukanyeONUkohereza ibimenyetso bigomba kuguma bihujwe mugihe bigeze kuriOLT, ku buryo buri weseONUikeneye gutinda kuringaniza, kandi iyi parameter irapimirwa murwego ruringaniye.IONUyakira ubutumwa bwa Ranging_Time kandi yimukira kumikorere (O5).

    Imiterere yo kwiruka (O5)

    UwitekaONUmuriyi miterere irashobora kohereza amakuru yamakuru hamwe nubutumwa bwa PLOAM bugenzurwa naOLT, naONUmuriyi miterere irashobora kandi gushiraho andi masano nkuko bisabwa.Iyo intera igenda neza, byoseONUboherejwe ukurikije ibimenyetso byabo byo gutinza igihe cyo gutinda kugirango ukomeze ikadiri yo hejuru. Ibimenyetso byoherejwe na bitandukanyeONUKugera iOLTukwe, ariko buri kimenyetso kigaragara neza aho kigomba kugaragara murwego rwo hejuru. Hagarika iONUmu bikorwa: Mugihe gikora gisanzwe ,.OLTBiteraONUguhagarika ikimenyetso kugirango ubone urutonde rwikindiONUcyangwa intera irindiONU.OLTihagarika gutanga uruhushya rwo hejuru rwigihe cyose,ONUikora inzira isanzwe, kandi ntabwo yakira uburenganzira, ikora igihe gituje, bityoOLTitera byoseONUguhagarika ikimenyetso.

    Imiterere ya POPUP (O6) 

    Imiterere yinjijwe iyo iONUmubikorwa byimikorere (O5) itahura LOS cyangwa LOF.Muri iyi status ,.ONUahita ahagarika kohereza ibimenyetso, kugirango iOLTKugaragaza Impuruza ya LOS yaONU.Iyo fibre ya ODN ihagaritswe, byinshiONUizinjira muriyi leta, urebye imiyoboro yizewe, murimwe muburyo bukurikira:
    Niba kurinda inversion ishoboye, byoseONUizahindukira kuri backup fibre. Kuri iyi ngingo, yoseONUizagaruka, kandi iyiOLTyohereza ubutumwa bwa Broadcast POPUP kugirango menyeshe boseONUKuri Kwinjiza Urwego (O4).
    Niba nta kurinda gukingirwa ariko iONUifite ubushobozi bwo kurinda imbere ,.OLTKohereza Ubutumwa bwa POPUP bwo kumenyesha iONUKuri Kwinjiza Imiterere (O5) .IyoONUyinjira muri O5 imiterere, iOLTbakeneye kumenyaONUubanza hanyuma Kugarura ubucuruzi bwaONU.NibaONUntabwo yakira muri LOS cyangwa LOF, iONUntabwo izakira ubutumwa bwa POPUP cyangwa ubutumwa bwa POPUP, kandi nyuma yigihe cya TO2 ,.ONUyinjira muburyo bwambere (O1).

    Guhagarika Ibihe byihutirwa (O7)

    IyoONUyakira ubutumwa bwa Disable_Serial_Number hamwe na "Disable" ihitamo ,.ONUyinjira muri leta yihutirwa (O7) ikazimya laser. Muri leta ya O7 ,.ONUbirabujijwe kohereza ibimenyetso.Niba iONUntabwo yinjiye neza muri leta ya O7, naOLTirashobora gukomeza kwakira ibimenyetso kuva iONU, iOLTibyara Dfi impuruza. IyoONUbirananirana ,.OLTohereza ubutumwa bwa Disable_Serial_Number hamwe na Enable "kugirango ukoreONU.ONUyakira ubutumwa kandi yinjira muri standby (O2) kandi ibipimo byose (harimo numero yuruhererekane na ONU-ID) byongeye kugenzurwa.



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