Kazhinji, kune mhando mbiri dzemafiber: ayo anotsigira nzira dzakawanda dzekupararira kana kuti ma transverse modes anonzi multi-mode fibers (MMF), uye ayo anotsigira single-mode anonzi single-mode fibers (SMF). Asi musiyano uripi pakati pawo? Kuverenga chinyorwa chino kuchakubatsira kuwana mhinduro.
Pfupiso yeSingle Mode Vs Multimode Fiber Optic Cable
Fiber yemodhi imwe chete inobvumira kupararira kwemodhi imwe chete yechiedza panguva imwe chete, nepo multimode optical fiber ichikwanisa kuparadzira mamodhi akawanda. Misiyano mikuru pakati pawo iri mudhayamita yefiber core, wavelength & light source, bandwidth, color sheath, distance, cost, etc.
Single Mode vs Multimode Fiber, Musiyano Chii?
Nguva yekuenzanisa single mode vs. multimodefaibha yemazisouye kunzwisisa kusiyana kwavo.
Dhayamita Yepakati
Waya yeSingle Mode ine saizi diki yepakati, inowanzoita 9μm, zvichiita kuti tambo dzisanyanya kurerutswa, bandwidths yakakwira, uye daro refu rekutumira.
Kusiyana neizvi, Multimode optical fiber ine saizi yakakura yepakati, inowanzoita 62.5μm kana 50μm, ine OM1 pa62.5μm uye OM2/OM3/OM4/OM5 pa5μm. Kunyangwe paine musiyano muhukuru, haionekwe zviri nyore kune vasina kupfeka sezvo idiki pane hupamhi hwebvudzi remunhu. Kutarisa kodhi yakadhindwa patambo yefiber optic kunogona kubatsira kuziva mhando yacho.
Nechifukidziro chekudzivirira, fibers dzese dziri mbiri dze single mode ne multimode dzine dhayamita ye125μm.
Wavelength & Chiedza Source
Multimode optical fiber, ine hukuru hwayo hwepakati, inoshandisa maturusi emwenje asingadhuri akadai se LEDs light uye VCSELs pa 850nm ne 1300nm wavelengths. Kusiyana neizvi, single mode cable ine core yayo diki, inoshandisa lasers kana laser diodes kugadzira chiedza chakapinzwa mu wire, kazhinji pa wavelengths ye 1310nm ne 1550nm.
Bandwidth
Mhando mbiri idzi dzefiber dzinosiyana mukushanda kwebandwidth. Single-mode fiber inopa bandwidth isina muganho nekuda kwekutsigira kwayo nzira imwe chete yechiedza, zvichikonzera kudzikira uye kupararira zvishoma. Ndiyo sarudzo inosarudzwa yekutaurirana kwefoni kunomhanya zvikuru padaro refu.
Kune rumwe rutivi, fiber ye multimode inogona kutumira ma optical modes akawanda, asi ine attenuation yakanyanya uye kupararira kwakakura, zvichideredza bandwidth yayo.
Fiber yemodhi imwe chete inoshanda kupfuura fiber ye optical ye multimode kana tichitarisa kugona kwebandwidth.
Kuderedza kusimba
Fiber yemhando imwe chete haina kudzika kwesimba, nepo fiber yemhando dzakawanda ichinyanya kudzika kwesimba.
Kureba
Kudzikira kwetambo ye single mode uye kupararira kwemode kunoita kuti tambo ye single mode ifambe kwenguva refu kupfuura multimode. Multimode inodhura zvishoma asi inongogumira kuma short links (semuenzaniso, 550m ye1Gbps), nepo single mode ichishandiswa ku long-reach transmission.
Mutengo
Kana tichifunga nezvemutengo wose, zvikamu zvitatu zvine basa rakakosha.
Mutengo wekuisa
Mari yekuisa fiber ye single-mode inowanzoonekwa seyakakwira kupfuura tambo ye multimode nekuda kwezvakanakira zvayo. Zvisinei, chokwadi chakasiyana. nekuda kwekugadzirwa kwacho kuri nani, kuchichengetedza 20-30% zvichienzaniswa nefiber ye multimode. Kune fiber dze OM3/OM4/OM5 dzinodhura zvakanyanya, single-mode inogona kuchengetedza kusvika ku50% kana kupfuura. Zvisinei, mutengo we transceiver ye optical unofanirawo kufungwa nezvawo.
Mutengo weOptical Transceiver
Optical transceiver chinhu chakakosha pakushandisa fiber cables, ichipa chikamu chikuru, dzimwe nguva kusvika 70% yemutengo wese. Single mode transceivers inowanzo dhura ka1.2 kusvika ka6 kupfuura multimode. Izvi zvinodaro nekuti single mode inoshandisa high-power laser diodes (LD), iyo inodhura zvakanyanya, nepo multimode devices dzichishandisa ma LED anodhura zvishoma kana VCSELS.
Mutengo weKuvandudza Sisitimu
Nekufambira mberi kuri kuita tekinoroji nekukurumidza, masisitimu emagetsi anowanzoda kuvandudzwa nekuwedzera. Matambo emagetsi emagetsi e-single mode anopa mukana wekukura, kuchinjika, uye kuchinjika kukuru. Tambo yemagetsi ye-multimode, nekuda kwekusakwanisa kwayo kufambisa mawimbi marefu uye kugona kwayo daro diki, inogona kuomerwa nekusangana nezvinodiwa mune ramangwana zvekutumira masaini marefu uye masaini akawanda.
Kuvandudza sisitimu yefiber optic ine mode imwe chete kuri nyore, kunosanganisira kungochinja switch nematransceivers pasina chikonzero chekuisa fiber itsva. Kusiyana neizvi, kune tambo ye multimode, kusimudzira kubva kuOM2 kuenda kuOM3 uye wozoenda kuOM4 yekutumira nekukurumidza kwaizodhura zvakanyanya, kunyanya kana uchichinja fiber dzakaiswa pasi pevhu.
Muchidimbu, multimode inodhura zvishoma kana uri kure, nepo single mode yakakodzera kana uri kure nepakati kusvika kure.
Ruvara
Kuisa mavara mukodhi kunoita kuti zvive nyore kuziva mhando yetambo. TlA-598C inopa kodhi yemavara inokurudzirwa neindasitiri kuti ive nyore kuziva.
Multimode OM1 neOM2 zvinowanzova nejaketi yeorenji.
OM3 inowanzova nemajaketi ane ruvara rweAqua.
OM4 inowanzova nemajaketi eruvara rweAqua kana Violet.
OM5 yaive neruvara rwegirini re lime.
OS1 neOS2 zvemhando imwe chete zvinowanzova nemajaketi eYellow.
Kushandiswa
Waya yemodhi imwe chete inonyanya kushandiswa mumasisitimu emusana ari kure uye metro munharembozha, datacom, uye CATV.
Kune rumwe rutivi, tambo dze multimode dzinonyanya kushandiswa mumapurogiramu ari pedyo akadai sedata centers, cloud computing, security systems, uye LANs (Local Area Networks).
Mhedziso
Mukupedzisa, single-mode fiber tambo dzakanakira kutumira data rinosvika kure muma carrier networks, MANs, uye PONs. Multimode fiber tambo, kune rumwe rutivi, inonyanya kushandiswa mumabhizinesi, nzvimbo dzedata, uye maLAN nekuda kwekusvika kwayo kupfupi. Chinokosha ndechekusarudza rudzi rwefiber runonyatsokodzera zvinodiwa ne network yako uchifunga nezvemutengo we fiber wese. Semugadziri we network, kuita sarudzo iyi kwakakosha kuti network ive inoshanda uye yakavimbika.
Nguva yekutumira: Chikumi-19-2025