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    Xaaladda iyo habka hawlgelinta ONU

    Waqtiga boostada: Meey-27-2022

    Heerka horeus (O1)

    TheONUMarxaladdan hadda waa ay shidantahay oo weli waa LOS/LOF. Mar haddii la helo meel hoose, LOS iyo LOF ayaa meesha laga saaray,ONUu guuro heerka heeganka (O2).

    Stanby status(O2)

    TheONUee heerkan ayaa helay hoos, sugaya in ay helaan xuduudaha network. Marka ahONUwaxay heshaa fariinta Upstream_Overhead, waxay fulisaa habaynta laxidhiidha (tusaale, calaamadaynta, qaabka awooda, daahitaanka dheellitirka horay loo dhigay) oo u gudbiya heerka nambarka taxanaha ah (O3).

    Heerka lambarka taxanaha (O3)

    TheOLTwuxuu u soo dirayaa fariimaha Codsiga Lambarka Taxanaha ah dhammaan kuwaONUxaaladdaas si aad u ogaato waxa cusubONUiyo sidoo kale lambarkooda taxanaha ah.MarkaOLThela mid cusubONU, ahONUsugayaaOLTin la siiyo ahONU-ID.OLTdhex mari Farriinta Assign_ONU-ID waxay tilmaamaysaa ciyaarta ONU-ID. KadibONUheloONU-ID, waxay u gudbisaa heerka kala duwan (O4).

    Rxaalad xanaaqsanus (O4)

    Kala duwanONUdiritaanka calaamadaha waa in ay ahaadaan kuwo isku xidhan marka ay gaadhaanOLT, si mid walbaONUwaxay u baahan tahay dib u dhac dheeli tiran, cabirkan waxaa lagu cabiraa heerka kala duwanaantaONUhela fariinta Ranging_Time oo u guura heerka orodka (O5).

    Heerka orodka (O5)

    TheONUXaaladdan waxay soo diri kartaa xogta kor u kaca iyo fariimaha PLOAM ee hoos yimaada xakamayntaOLT, iyoONUXaaladdan ayaa sidoo kale dhisi karta xiriiryo kale sida loogu baahan yahay. Marka kala-duwanaanshaha lagu guuleysto, dhammaanONUWaxa loo soo diraa iyadoo loo eegayo calaamada dib u dhigista wakhtiga dheellitirka ee ay u kala leeyihiin si ay isku xidhidhiyaha sare u wada shaqeeyaan. Calaamadaha ay diraan kuwa kala duwanONUgaari doonoOLTsi gooni gooni ah, laakiin calaamad kastaa waxay u muuqataa sida saxda ah halka ay tahay inay ka soo baxdo qaabka korkaONUhawlgalka: Inta lagu jiro hawlgalka caadiga ah, theOLTwaxay keeni kartaaONUin la hakiyo calaamada si loo helo lambarka taxan ee kan kaleONUama ka fogee kan kaleONU.OLTjoojiya shatiyeynta dhammaan xawaaraha kor u kaca ilaa wakhti,ONUu shaqeeya sida caadiga ah, oo aan helin oggolaanshaha, abuurista muddo xasilloon, sidaas darteedOLTsababa dhammaanONUin la hakiyo calaamada.

    Xaalada POPUP (O6) 

    Heerkan waxa la galaa markaONUXaaladda hawlgalka (O5) waxay ogaataa LOS ama LOF. Xaaladdan,ONUisla markiiba joojiso diritaanka signalka, si ayOLTwaxay ogaan doontaa alaarmiga LOS eeONU.Marka fiber ODN la gooyo, badanONUgeli doona xaaladdan, iyadoo la tixgelinayo isku halaynta shabakadda, mid ka mid ah siyaabaha soo socda:
    Haddii rogaal celinta ilaalinta la oggolaaday, dhammaanONUWaxaa loo rogi doonaa fibre-kaabeedka.Markaan, dhammaanONUresagain doonaa, iyo tanOLTwuxuu soo diraa fariin POPUP Broadcast si uu u ogeysiiyo dhammaanONUsi loo galo heerka kala duwan (O4).
    Haddii aysan jirin rogaal celin ilaalin ah laakiin ahONUwuxuu leeyahay awood ilaalin gudaha ahOLTdiraya fariin toos ah POPUP si uu u ogeysiiyoONUsi loo galo heerka socodka (O5) .MarkaONUgalaya heerka O5, ahOLTu baahan in la ogaadoONUmarka hore ka dibna soo celi ganacsigiiONU.HadiiONUkama soo kabato LOS ama LOF,ONUma heli doono fariinta POPUP ee Baahinta ama fariinta POPUP ee tooska ah, iyo ka dib wakhtiga TO2, waaONUgalaya heerka bilowga (O1).

    Gobolka Joojinta Degdegga ah (O7)

    MarkaONUhela fariin Disable_Serial_Number ah oo wata "Disable" doorashada, ahONUgalaa xaalad joogsi degdeg ah (O7) oo damisa laysarka. Gobolka O7,ONUwaa mamnuuc in la diro calaamadaha.Haddii ayONUsi guul ah uma galo gobolka O7, iyoOLTwaxay sii wadi kartaa helitaanka calaamadahaONU, ahOLTwaxay dhalisaa digniinta Dfi. MarkaONUfashilanto, eeOLTwuxuu soo diraa fariin Disable_Serial_Number ah oo wata "Enable" doorasho si aad u dhaqaajisoONU.ONUhela fariinta oo galaa heegan (O2) iyo dhamaan xuduudaha (ay ku jiraan lambarka taxan iyo ONU-ID) dib ayaa loo hubiyaa.



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