Intangiriro-leta (O1)
ONU muri iyi leta imaze gukoreshwa kandi iracyari muri LOS / LOF.Iyo epfo imaze kwakirwa, LOS na LOF ikuraho, naONUyimukira kuri leta ihagaze (O2).
Guhagarara-leta (O2)
UwitekaONUmuri iyi leta yakiriwe kumurongo wo hasi kandi itegereje ibipimo byurusobe byakirwa.Iyo ONU yakiriye ubutumwa bwa Upstream_Overhead, shiraho ONU ukurikije ibipimo byurusobe (urugero, kubisobanura, uburyo bwimbaraga, guteganya gutinda kuringaniza) hanyuma byimurirwa kuri numero yuruhererekane (O3).
Urutonde-Umubare-Leta (O3)
UwitekaOLTKohereza Serial-Umubare Gusaba ubutumwa kuri ONU zose muri iyo leta kugirango umenye ONU nshya kimwe nimero zabo.IyoOLTkuvumbura ibishyaONU, iONUKurindiraOLTkugenera ONU-ID.UwitekaOLTigenera ONU-ID binyuze mu butumwa bwa Assign_ONU-ID.ONU yimurira muri leta zitandukanye (O4) nyuma yo kubona ONU-ID.
Ibihinduka (O4)
Ibimenyetso byanyujijwe muri ONU zitandukanye bigomba guhuzwa mugihe bigeze kuriOLT, Kuri buriONUikeneye gutinda kuringaniza, bipimirwa muri leta zingana.ONU yakira ubutumwa bwa Ranging_Time ikimukira muri leta ikora (O5).
Igikorwa-leta (O5)
Onus muriyi leta irashobora kohereza amakuru hamwe nubutumwa bwa PLOAM bugenzurwa na OLT, kandi ONU muri iyi leta nayo irashobora gushiraho andi masano nkuko bisabwa.Iyo kuringaniza bigenda neza, ONU zose zohereza ibimenyetso ukurikije gutinda kwabo kuringaniza kugirango bikomeze guhuza ikadiri ya uplink.Ibimenyetso byoherejwe na ONU zitandukanye bizagera kuriOLTukwe, ariko buri kimenyetso kizagaragara neza aho kigomba kugaragara murwego rwo hejuru.HagarikaONUmu mikorere: Mugihe gikora gisanzwe, OLT irashobora guhagarika ONU kugirango yohereze ibimenyetso kugirango ubone umubare ukurikirana wizindi ONU cyangwa gupima intera yizindi ONU.UwitekaOLTguhagarika uburenganzira bwo kuzamura umurongo mugihe runaka, naONUikora muburyo busanzwe.Kubera ko nta ruhushya rwakiriwe, nta kimenyetso kizatangwa, bikavamo igihe gituje, ku buryo OLT ituma ONU zose zihagarika kohereza ibimenyetso.
POPUP-leta (O6)
UwitekaONUmuri reta ikora (O5) yinjira muriyi leta iyo ibonye LOS cyangwa LOF.Muri iyi leta, ONU ihita ihagarika kohereza ibimenyetso, kugirangoOLTKumenya LOS impuruza yibiONU.Iyo fibre ya ODN ihagaritswe, ONU nyinshi zizinjira muriyi leta.Kugirango urusobe rwizere, bumwe muburyo bukurikira bugomba gukoreshwa:
Niba kurinda izamu bishobotse, ONU zose zizahindukira kuri fibre ihagaze.Muri iki gihe, ONU zose zizongera kwitwara neza, kuberako OLT yohereza ubutumwa bwa Broadcast POPUP bwo kumenyesha ONU zose kwinjira muri leta zingana (O4).
Niba nta kurinda guhinduranya ariko iONUifite ubushobozi bwo kurinda imbere ,.OLTKohereza Ubutumwa bwa POPUP bwo kumenyesha iONUkwinjira mubikorwa (O5).Iyo ONU yinjiye muri leta ya O5, theOLTbakeneye kumenyaONUmbere hanyuma
Kugarura serivisi ya ONU.NibaONUntisubira muri LOS cyangwa LOF, ONU ntabwo izakira ubutumwa bwa Broadcast POPUP cyangwa ubutumwa bwa Diregiteri POPUP, kandi ONU yinjira muri leta yambere (O1) nyuma yigihe cya TO2.
Ibihe byihutirwa-Guhagarara-leta (O7)
IyoONUyakira ubutumwa bwa Disable_Serial_Number hamwe na "Disable", ONU yinjira mubihe byihutirwa (O7) ikazimya laser.Muri leta O7, ONU irabujijwe kohereza ibimenyetso.NibaONUntabwo yinjiye neza muri leta ya O7 naOLTirashobora gukomeza kwakira ibimenyetso byoherejwe na ONU, OLT izabyara Dfi.Iyo amakosa ya ONU akemuwe ,.OLTohereza ubutumwa bwa Disable_Serial_Number hamwe na "Gushoboza" kugirango ukore iyo ONU.Nyuma yo kwakira ubutumwa ,.ONUyinjira muri standby leta (O2), kandi ibipimo byose (harimo numero ikurikirana na ONU-ID) bizasubirwamo.
Ingingo zubumenyi zavuzwe haruguru zerekeye inzira yo gusobanura yaONUimiterere no gukora byazanywe na Shenzhen HDV Phoelectron Technology LTD., ni uruganda ruzobereye mubikoresho byitumanaho nkibicuruzwa byingenzi.Ibikoresho bifitanye isano birimo: OLT ONU / IntelligentONU / AC ONU / Fibre ONU / CATV ONU / GPON ONU / XPONONU / OLT ibikoresho / OLT Hindura / GPON OLT / EPONOLTnibindi, ikaze abakoresha kuza kugisha inama ibicuruzwa.
