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Wanne fiber na gani ake amfani dashi don gina cibiyar sadarwa?

By Hunan GL Technology Co.,Ltd.

LABARI: 2021-04-08

RA'AYI sau 640


Wanne fiber na gani ake amfani dashi don gina cibiyar sadarwa?

Akwai manyan nau'ikan guda uku: G.652 na Birer-Yanayin Birer, G.653 Watsawad G.655 ba sifili tarwatsa-canza fiber.

labaran fiber optic

G.652 fiber-mode guda ɗayayana da babban watsawa a cikin C-band 1530 ~ 1565nm da L-band 1565 ~ 1625nm, gabaɗaya 17 ~ 22psnm•km, lokacin da tsarin tsarin ya kai 2.5Gbit / s ko fiye, ana buƙatar dimuwa rarrabawa, a 10Gbit / s Watsawa diyya. farashin tsarin yana da tsada sosai, kuma shine nau'in fiber na yau da kullun da aka shimfida a cikin hanyar sadarwa a halin yanzu.

WatsawaG.653 watsawa-canza fibera cikin C-band da L-band shine gabaɗaya -1~3.5psnm•km, tare da rarrabuwar sifili a 1550nm, kuma ƙimar tsarin na iya kaiwa 20Gbit/s da 40Gbit/s, wanda shine tsayin tsayin tsayin daka mai tsayi. watsa Mafi kyawun fiber.Koyaya, saboda fasalin watsawar sifili, lokacin da aka yi amfani da DWDM don faɗaɗawa, abubuwan da ba su dace ba za su faru, wanda zai haifar da siginar crosstalk, yana haifar da haɗakarwar FWM huɗu, don haka DWDM bai dace ba.

G.655 ba sifili watsawa-canza fiber: G.655 ba sifili disperssion-shifted fiber yana da watsawa daga 1 zuwa 6 psnm•km a cikin C-band, kuma kullum 6-10 psnm•km a cikin L-band.Watsewa karami ne kuma yana guje wa sifili.Yankin tarwatsawa ba wai kawai yana kashe FWM mai haɗakarwa huɗu ba, ana iya amfani dashi don faɗaɗa DWDM, amma kuma yana iya buɗe tsarin sauri.Sabuwar fiber na G.655 na iya faɗaɗa ingantaccen yanki zuwa 1.5 zuwa sau 2 na fiber na yau da kullun, kuma babban yanki mai tasiri na iya rage yawan ƙarfin ƙarfi!

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