1. Bambanci tsakanin na'urorin watsawa na fiber optic guda ɗaya da na'urori masu amfani ...
Diamita na tsakiya na zare mai yawan amfani shine 50 ~ 62.5μm, diamita na waje na zare shine 125μm, kuma diamita na tsakiya na zare mai yanayin guda ɗaya shine 8.3μm, kuma diamita na waje na zare shine 125μm. Raƙuman aiki na zare masu gani sune 0.85 μm don gajerun raƙuman ruwa, 1.31 μm da 1.55 μm don dogon raƙuman ruwa. Asarar zare gabaɗaya tana raguwa tare da tsawon raƙuman ruwa, asarar 0.85 μm shine 2.5dB/km, asarar 1.31 μm shine 0.35dB/km, kuma asarar 1.55 μm shine 0.20dB/km, wanda shine mafi ƙarancin asarar zare, tsawon raƙuman ... Saboda tasirin sha na OHˉ, akwai kololuwar asarar da ke tsakanin 0.90 ~ 1.30μm da 1.34 ~ 1.52μm, kuma waɗannan jeri biyu ba a cika amfani da su ba. Tun daga shekarun 1980, ana amfani da zare mai tsari ɗaya, kuma an fara amfani da dogon zango na 1.31 μm.
Zaren zare mai yawa
Zaren multimode: Babban gilasan tsakiya yana da kauri (50 ko 62.5μm), wanda zai iya watsa haske a hanyoyi daban-daban. Amma watsawar sa ta intermodal yana da girma, wanda ke iyakance mitar watsa siginar dijital, kuma zai fi tsanani idan aka ƙara nisa. Misali: Zaren 600MB/KM yana da bandwidth 300MB kawai a 2KM. Saboda haka, nisan watsa fiber mai yawa yana da ɗan gajere, gabaɗaya kilomita kaɗan ne kawai.
Zaren yanayin guda ɗaya
Zaren yanayi ɗaya (Zaren yanayi ɗaya): Tsakiyar gilashin tsakiya siriri ne sosai (diamita na tsakiya gabaɗaya 9 ko 10 μm ne), kuma yanayi ɗaya ne kawai na haske za a iya watsawa. Saboda haka, watsawar tsakanin hanyoyin yana da ƙanƙanta sosai, wanda ya dace da sadarwa mai nisa, amma akwai kuma watsawar abu da watsawar jagora mai motsi, don haka zaren yanayi ɗaya yana da buƙatu mafi girma akan faɗin spectral da kwanciyar hankali na tushen haske, wato, faɗin spectral ya kamata ya zama kunkuntar da karko. Ku yi kyau. Daga baya, an gano cewa a tsawon tsayin 1.31 μm, watsawar abu da watsawar jagora mai motsi na zaren yanayi ɗaya suna da kyau da korau, kuma girmansu iri ɗaya ne. Wannan yana nufin cewa a tsawon tsayin 1.31 μm, jimlar watsawar fiber mai yanayi ɗaya sifili ne. Daga halayen asarar zaren, 1.31 μm kawai taga ce mai ƙarancin asara ta zaren. Ta wannan hanyar, yankin tsawon tsayin 1.31μm ya zama taga mai kyau don sadarwa ta fiber optic, kuma shine babban rukunin aiki na tsarin sadarwa na fiber optic. Babban sigogi na fiber na al'ada mai yanayin guda ɗaya na 1.31μm an ƙaddara shi ta Ƙungiyar Sadarwa ta Duniya ITU-T a cikin shawarar G652, don haka ana kiran wannan fiber ɗin da G652 fiber.
Shin ana samar da fasahar yanayi ɗaya da ta hanyoyi da yawa a lokaci guda? Shin gaskiya ne cewa wanda ya fi ci gaba kuma wanda ya fi ci gaba ya fi ci gaba? Gabaɗaya, ana amfani da yanayin yanayi da yawa don ɗan gajeren nisa, kuma ana amfani da yanayin yanayi ɗaya kawai don nisa mai nisa, saboda watsawa da karɓar zare masu yanayin yanayi da yawa Na'urar ta fi araha fiye da yanayin yanayi ɗaya.
Ana amfani da zare mai yanayi ɗaya don watsa bayanai na nesa, kuma ana amfani da zare mai yanayi da yawa don watsa bayanai na cikin gida. Za a iya amfani da yanayin yanayi ɗaya kawai don watsa bayanai na nesa, amma ba lallai ba ne a yi amfani da yanayin yanayi da yawa don watsa bayanai na cikin gida.
Ko zare-zaren gani da ake amfani da su a cikin sabar da na'urorin ajiya suna da yanayi ɗaya ko kuma yanayi da yawa. Yawancinsu suna amfani da yanayi da yawa, domin ina aiki ne kawai a cikin zare-zaren gani na sadarwa kuma ban fayyace wannan batu sosai ba.
Shin dole ne a yi amfani da zare na gani biyu-biyu, kuma akwai wasu kayan aiki kamar masu sauya siginar zare mai rami ɗaya?
Shin dole ne a yi amfani da fiber ɗin gani biyu? Eh, a rabi na biyu na tambayar, shin kuna nufin watsawa da karɓar haske akan fiber ɗin gani ɗaya? Wannan yana yiwuwa. Hanyar sadarwa ta fiber ɗin gani ta China Telecom ta 1600G kamar haka take.
Babban bambanci tsakanin na'urorin watsawa na fiber optic guda ɗaya da na'urorin watsawa na fiber optic iri-iri shine nisan watsawa. Na'urar watsawa ta fiber optic iri-iri tana da tsarin watsawa na siginar da ke da tsari mai yawa da kuma na'urori masu yawa a yanayin aiki, don haka watsawa ta nesa ta siginar ba ta da yawa, amma ta fi dacewa, kuma ba lallai ba ne a yi amfani da tsarin intanet na gida. Na'urar watsawa ta fiber guda ɗaya tana da tsari mai tsari, don haka ta dace da watsawa ta layukan akwati na nesa kuma tana da tsarin gina hanyar sadarwa ta birni.
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2. Yadda ake bambance na'urorin watsawa na fiber optic guda ɗaya da na'urori masu yawa
Wani lokaci, muna buƙatar tabbatar da nau'in na'urar watsa shirye-shiryen fiber optic, don haka ta yaya za a tantance ko na'urar watsa shirye-shiryen fiber optic yanayi ɗaya ne ko yanayi da yawa?
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1. Ka bambanta da mai santsi, ka cire murfin ƙurar mai karɓar siginar fiber optic, sannan ka kalli launin abubuwan da ke cikin mai santsi. Gefen ciki na mahaɗin TX da RX guda ɗaya an lulluɓe shi da fararen yumbu, kuma mahaɗin mahaɗin yana da launin ruwan kasa.
2. Bambanta daga samfurin: gabaɗaya a duba ko akwai S da M a cikin samfurin, S yana nufin yanayi ɗaya, M yana nufin yanayi da yawa.
3. Idan an shigar da shi kuma an yi amfani da shi, za ku iya ganin launin jumper ɗin zare, orange yana da yanayin multi-mode, rawaya kuma yana da yanayin single-mode.
Lokacin Saƙo: Satumba-01-2022