1, modem ya optique ni ikimenyetso cya optique mubikoresho byerekana amashanyarazi ya Ethernet, modem optique yiswe modem, ni ubwoko bwibikoresho bya mudasobwa, iri muburyo bwo kohereza binyuze muburyo bwo guhindura ibimenyetso bya digitale mubimenyetso bisa, kandi kumpera yakira binyuze demodulation igereranya ibimenyetso mubikoresho bya digitale igikoresho.
Igice cya Optical Network Unit (ONU) nigice cya optique.ONU igabanijwemo ibice bya optique ya optique hamwe nibice bya optique ya optique.ONU ikoreshwa cyane cyane kwakira amakuru yatangajwe yoherejwe na OLTs.Usibye imikorere yinjangwe yoroheje, ONU nayo ifite imikorere yo guhinduranya.
2, onu igabanijwemo a, b, c urwego, byose uko ari bitatu birashoboka, ariko guha abakoresha numubare wibyambu, ubwoko bwicyambu buratandukanye, modem optique mubyukuri ni class onu.
Modem optique, izwi kandi nka injangwe ya optique, nigikoresho cyurusobe rwohereza ibimenyetso bya optique kubindi bimenyetso bya protocole binyuze mumashanyarazi ya fibre optique.Nibikoresho byogukwirakwiza kumurongo munini waho (LAN), umuyoboro wa metero nkuru (MAN), hamwe numuyoboro mugari (WAN).Igikoresho kigizwe no kohereza, kwakira, kugenzura, interineti, no gutanga amashanyarazi.Ifata nini nini ihuriweho na chip, umuzenguruko woroshye, gukoresha ingufu nke, kwizerwa cyane, ibimenyetso byerekana ibimenyetso byuzuye, hamwe nibikorwa byiza byo gucunga imiyoboro.
Itumanaho rya fibre optique ryateye imbere byihuse muburyo nyamukuru bwo kohereza amakuru kubera ibyiza byayo nka bande yagutse kandi nubushobozi bunini.Kugirango tumenye itumanaho ryiza, modulike optique na demodulation bigomba gukorwa.Kubwibyo, nkigikoresho cyingenzi cya sisitemu yo gutumanaho ya fibre optique, modem optique irimo kwitabwaho cyane.Hariho ubwoko bubiri bwa modulator optique: modulator itaziguye hamwe na moderi yo hanze, hamwe na optique ya demodulator igabanijwe mubwoko bubiri: hamwe kandi nta na imbere yubatswe imbere.Modulator itaziguye na demodulator hamwe niyubatswe imbere imbere amplifier niyo yibandwaho nuyu mushinga.Guhindura mu buryo butaziguye bifite ibyiza byo koroshya, ubukungu no kubishyira mu bikorwa byoroshye, mugihe demodulator ifite imbere-amplifier imbere ifite ibiranga kwishyira hamwe hamwe nubunini buto.
modem optique nigikoresho cyohereza gishobora guhuzwa na enterineti ihuza umugozi wurusobe, bisa ninjangwe yoroheje ya enterineti, ariko impera yimbere yinjangwe ihujwe numuzunguruko, naho impera yo hejuru ya modem optique ihujwe kumuhanda urumuri, nuko byitwa injangwe yoroheje.Injangwe ihujwe n'inzira yoroheje.Impera yo hepfo ya onu muri epon / GPON ihujwe numukoresha.
1, optique modem ni ubwoko bwa onu, ni kumukoresha umwe, modem optique nayo ishobora kuvugwa ko ari desktop onu.
2, nyamukuru onu ni iy'abakoresha benshi, ni ukuvuga icyambu cy'amashanyarazi gifite ibyambu 8 kugeza 24.Modem optique ifite gusa ibyambu byamashanyarazi 1-4.
Itandukaniro riri hagati ya modem optique na ONU:
modem optique ikoreshwa mugihe abakiriya benshi, cyane cyane kubigenewe byabigenewe.
Ubwoko bwa ikarita ya modem na desktop, ubwoko bwikarita muri rusange shyira icyumba cyimashini.
Ibiro bisanzwe bishyirwa kubakiriya.ONU ikoreshwa mugukwirakwiza umurongo mugari.Itandukaniro nyamukuru ni kuva mubyumba byinjizwamo ikarita ya optique kugeza kubakiriya ba desktop optique injangwe, injangwe yinjangwe ya optique ya konte ya fibre, kandi kuva mubyumba byahujwe OLT kugeza kubakiriya benshi ONU nayo ifata fibre gusa, kandi hagati inyura mu nzira yo gutandukana.Itandukaniro riri hagati ya modem optique na ONU nuko ONU ibika fibre yibanze, kandi modem optique ihendutse, kandi injangwe yoroheje ni ibice magana.Ni ubuhe buryo bwo gukoresha, isesengura ryuzuye ry'igiciro, ukurikije uko ibintu bimeze.
Igihe cyo kohereza: Ukuboza-14-2023