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    Nhazi nke eriri optic na fiber optic transceivers

    Oge nzipu: Ọgọst-28-2019

    Site na ngwụcha 1980s, nzikọrịta ozi fiber-optic ji nwayọọ nwayọọ gbanwee site na ogologo ogologo ogologo ruo ogologo ogologo, site na eriri multimode gaa na eriri otu ụdị.Ka ọ dị ugbu a, a na-eji eriri otu ụdị eme ihe n'ọtụtụ ebe na netwọkụ eriri eriri USB na netwọọdụ ahịrị mpaghara mpaghara.Multimode fiber bụ naanị na ụfọdụ LAN nwere obere ọsọ. Ugbu a, eriri ndị mmadụ na-ekwu maka ya na-ezo aka na eriri otu ụdị.Otu eriri eriri nwere uru nke obere ọnwụ, nnukwu bandwit, nkwalite dị mfe na mgbasawanye, na ọnụ ala dị ala, a na-ejikwa ya n'ọtụtụ ebe.

    Ka mkpa ndụ ndị mmadụ na-emewanyewanyewanye, ịntanetị na-aghọ akụkụ dị mkpa nke ndụ. Iji gbasoo mmepe nke oge ozi, a na-emelite teknụzụ wiring jikọtara ọnụ na ngwaahịa mgbe niile, karịsịa nyocha na mmepe nke eriri fiber optic. .Enwere ọtụtụ ụdị eriri fiber optic dị iche iche nke ụdị dị iche iche na ojiji n'ahịa.Kedu otu esi ahọrọ ụdị bara uru n'ihu ọtụtụ eriri anya?Kedu otu esi ahọrọ ngwaahịa fiber optic kacha mma?

    Isi edemede nke eriri anya

    Dị ka nnyefe mode nhazi ọkwa, ngwa anya eriri nwere abụọ ụdị multimode eriri na otu mode eriri.Multimode eriri nwere ike ibunye ọtụtụ ụdịdị, ebe otu ụdị eriri nwere ike ibunye naanị otu ọnọdụ maka ogologo ogologo ọrụ.A na-ejikarị eriri multimode eme ihe bụ tumadi 50/125m na 62.5/125m.The isi dayameta nke otu mode eriri bụ a 9/125 m. Multimode eriri-isi bụ thicker (50 ma ọ bụ 62.5m).Ebe ọ bụ na geometry nke eriri (karịsịa isi dayameta d1) buru ibu karịa ogologo ogologo nke ìhè (ihe dịka 1 micron), enwere ọtụtụ ma ọ bụ ọbụna ọtụtụ narị eriri.Propagation mode. N'otu oge ahụ, n'ihi nnukwu mgbasa n'etiti ụdịdị, mgbasa ozi na-ejedebe na-ejedebe, na mmụba na anya dị njọ karị. Dị ka àgwà ndị a dị n'elu, multimode optical fibers na-ejikarị na netwọk ndị nwere obere nnyefe ọnụego. yana ogologo nnyefe dị mkpụmkpụ dị ka netwọk mpaghara.Netwọk ndị dị otú ahụ na-enwekarị ọtụtụ ọnụ, ọtụtụ nkwonkwo, ọtụtụ agbagọ, na njikọ na njikọ.Ọnụ ọgụgụ nke akụrụngwa, ọnụ ọgụgụ nke ngwaọrụ na-arụ ọrụ na-eji kwa nkeji eriri ogologo, wdg, iji multimode fiber nwere ike ibelata ụgwọ netwọkụ.

    The otu-mode eriri nwere obere isi (n'ozuzu banyere 9 m) na ike na-ebunye otu mode nke ìhè. Ya mere, dispersion n'etiti ụdịdị dị nnọọ obere, adabara n'ime obodo nkwurịta okwu, ma a ka nwere ihe dispersion na waveguide dispersion, otú ahụ. otu-mode eriri nwere elu chọrọ maka spectral obosara na nkwụsi ike nke ìhè isi iyi, ya bụ, ụdịdị obosara kwesịrị ịdị warara, na nkwụsi ike kwesịrị ịdị mma. Single-mode eriri na-akasị eji na ahịrị na ogologo nnyefe anya na dịtụ. elu nnyefe ọnụego, dị ka ogologo okporo osisi nnyefe, metropolitan ebe netwọk ewu, wdg The ugbu a FTTx na HFC netwọk bụ tumadi otu-mode emep uta eri.

    Ihe dị iche n'etiti otu mode fiber transceivers na multimode fiber transceivers

    A eriri optic transceiver bụ Ethernet nnyefe ọkara ngwaọrụ mgbanwe nke na-agbanwe eletriki na ngwa anya mgbaàmà nke Ethernet, na ngwa anya emep uta eri na-ebunye data n'elu a netwọk na-nkewa n'ime multimode eriri na otu mode fibers.Site na netwọk ngwa, n'ihi na multimode eriri enweghị ike ịbụ. na-ebufe ya n'ebe dị anya, enwere ike iji ya naanị maka ịkparịta ụka n'Ịntanet n'ime ụlọ na n'etiti ụlọ.Otú ọ dị, n'ihi na multimode eriri na kwekọrọ ekwekọ eriri transceiver bụ dịtụ ọnụ ala, ọ ka dị n'ime a ụfọdụ range.Nweta ngwa.Ọtụtụ ụlọ akwụkwọ na-ejikwa multimode fiber mgbe ha na-ewu netwọk ụlọ akwụkwọ dị n'ime.

    Site na ọganihu nke nkà na ụzụ, eriri otu mode malitere ịbanye ọrụ netwọk ogologo oge (site na kilomita ole na ole ruo ihe karịrị otu narị kilomita), na mmepe mmepe dị ngwa ngwa, n'ime afọ ole na ole, site na ngwa ngwa dị elu n'ime. ụlọ nke ndị nkịtị, Dị ka ihe atụ, ọtụtụ ụlọ ugbu a na-eji ngwa anya transceivers (nke a na-akpọ FTTH mode, fiber-to-the-home) mgbe ha na-emeghe netwọk.Ojiji nke transceivers anya abụrụla ụdị ọrụ agbakwunyere bara uru maka mgbasa ozi na telivishọn.

    Iji eriri optic transceivers maka ịkparịta ụka n'Ịntanet, uru ọ bụghị naanị kwụsiri ike, ma ihe ọzọ?Nke ahụ bụ ọsọ!100M zuru duplex, ọbụna elu ọsọ karịa 100 zuru duplex: 1000M zuru duplex.

    Ọ na-agbatị oke nnyefe netwọkụ site na 100M ruo ihe karịrị 100KM maka ụzọ gbagọrọ agbagọ, nke nwere ike ịghọta njikọ dị n'etiti sava motherboard, repeater, hub, terminal na ọnụ.Mgbe ị na-ahọrọ netwọk fiber optic, anyị ga-ewusi nghọta nke eriri anya ike, gbasaa ihe ọmụma dị mkpa, wee họrọ eriri na-arụ ọrụ kachasị mma site na nlebara anya zuru oke.



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