Nekuwedzera kuri kuita mabasa anofambiswa nePassive Optical Networks (PON), zvave zvakakosha kuti mabasa adzorerwe nekukurumidza mushure mekukundikana kwetambo. Tekinoroji yekudzivirira PON, senzira huru yekuona kuti bhizinesi rinoramba richienderera mberi, inovandudza zvakanyanya kuvimbika kwenetwork nekuderedza nguva yekukanganiswa kwenetwork kusvika pasi pe50ms kuburikidza nehunyanzvi hwekudzoserwa kwedata.
Chinangwa chePONKuchinja kwekuchengetedza ndekwekuona kuti bhizinesi rinoenderera mberi kuburikidza nehurongwa hwenzira mbiri hwe "primary + backup".
Kufamba kwayo kwakakamurwa kuita zvikamu zvitatu: chekutanga, muchikamu chekuona, sisitimu inogona kuona nemazvo kuputsika kwefiber kana kutadza kwemidziyo mukati me5ms kuburikidza nekusanganiswa kwekutarisa simba re optical, kuongorora nhanho dzekutadza, uye mameseji ekurova kwemoyo; Munguva yechikamu chekuchinja, chiito chekuchinja chinotanga otomatiki zvichibva pane hurongwa hwakagadzirirwa kare, nekunonoka kwekuchinja kwakajairika kunodzorwa mukati me30ms; Chekupedzisira, muchikamu chekudzorera, kufamba kusina muganho kwema parameter ebhizinesi 218 akadai seVLAN settings uye bandwidth allocation kunowanikwa kuburikidza neinjini yekubatanidza configuration, zvichiita kuti vashandisi vasazive zvachose.
Ruzivo rwechokwadi rwekushandiswa kwePON runoratidza kuti mushure mekushandisa tekinoroji iyi, nguva yekukanganiswa kwegore negore kwemaPON network inogona kuderedzwa kubva pamaawa 8.76 kusvika kumasekonzi makumi maviri nematanhatu, uye kuvimbika kunogona kuvandudzwa ka1200. Nzira dzekudzivirira PON dziripo pari zvino dzinosanganisira mhando ina, Type A kusvika Type D, dzichigadzira system yakakwana yehunyanzvi kubva pakuva yekutanga kusvika pakuva yepamusoro.
Type A (Trunk Fiber Redundancy) inoshandisa dhizaini yemaports maviri ePON paOLT side sharing MAC chips. Inogadzira primary uye backup fiber optic link kuburikidza ne2: N splitter uye inochinja mukati me40ms. Mutengo wayo wekushandura hardware unongowedzera ne20% yezviwanikwa zvefiber, zvichiita kuti ive yakakodzera zvakanyanya kune zviitiko zvekufambisa daro diki zvakaita secampus networks. Zvisinei, zvinofanira kucherechedzwa kuti chirongwa ichi chine miganhu pabhodhi rimwe chete, uye kukundikana kwepoindi imwe chete kwesplitter kunogona kukonzera kukanganisika kwedual link.
Rudzi rwemhando B (OLT port redundancy) rwakakura runoshandisa ma port maviri ema MAC chips akazvimiririra kudivi reOLT, runotsigira cold/warm backup mode, uye runogona kuwedzerwa kune dual host architecture muOLTs.FTTHbvunzo yemamiriro ezvinhu, mhinduro iyi yakawana kufamba kwakafanana kwe128 ONUs mukati me50ms, nechiyero chekurasikirwa kwepaketi che0. Yashandiswa zvinobudirira kune sisitimu yekutumira vhidhiyo ye4K munetwork yekuparadzira neterevhizheni yedunhu.
Rudzi C (dziviriro yakazara yefiber) inoiswa kuburikidza nekushandiswa kwenzira mbiri dzefiber dzakapararira/dzakapararira, pamwe chete nekugadzira module yeONU dual optical, kuti ipe dziviriro kubva kumagumo kuenda kumagumo kune masisitimu ekutengeserana kwemari. Yakawana 300ms fault recovery mukuyedzwa kwekushushikana kwestock exchange, ichizadzisa zvizere mwero we subsecond interrupt tolerance wemasisitimu ekutengeserana kwezvibatiso.
Rudzi rwepamusoro-soro rwemhando D (full system hot backup) runoshandisa dhizaini yemhando yemauto, ine dual control uye dual plane architecture yeOLT neONU, zvichitsigira three-layer redundancy ye fiber/port/power supply. Nyaya yekuiswa kwe5G base station backhaul network inoratidza kuti mhinduro inogona kuramba ichiita 10ms level switching performance munzvimbo dzakanyanya dze -40 ℃, nenguva yekukanganiswa kwegore negore inodzorwa mukati memasekonzi makumi matatu nemaviri, uye yapasa MIL-STD-810G military standard certification.
Kuti pave nekuchinja kwakasununguka, matambudziko maviri makuru ehunyanzvi anofanirwa kukundwa:
Panyaya yekuwiriranisa magadzirirwo, sisitimu iyi inoshandisa tekinoroji yekuwiriranisa inosiyana-siyana kuti ive nechokwadi chekuti ma parameter 218 asingachinji akadai seVLAN neQoS marongero anowirirana. Panguva imwe chete, inowiriranisa data rinoshanduka senge tafura yekero yeMAC uye DHCP lease kuburikidza ne fast replay mechanism, uye inogara nhaka makiyi ekuchengetedza zvichibva paAES-256 encryption channel;
Muchikamu chekudzoreredza basa, nzira yekupa vimbiso katatu yakagadzirwa - ichishandisa nzira yekukurumidza kuwana kuti idzvinyirire nguva yekunyoresa ONU mukati memasekonzi matatu, nzira yakangwara yekubvisa mvura yakavakirwa paSDN kuti iwane kuronga kwakarurama kwetraffic, uye kugadzirisa otomatiki maparamita akawanda akadai sesimba remagetsi/kunonoka.
Nguva yekutumira: Chikumi-19-2025