mbendera

Ndi fiber iti yomwe imagwiritsidwa ntchito popanga ma network?

Ndi Hunan GL Technology Co., Ltd.

KUSINTHA: 2021-04-08

MAwonedwe 640 Nthawi


Ndi fiber iti yomwe imagwiritsidwa ntchito popanga ma network?

Pali mitundu itatu ikuluikulu: G.652 fiber single-mode fiber, G.653 dispersion-shifted single-mode fiber and G.655 sanali ziro dispersion-anasintha CHIKWANGWANI.

nkhani za fiber optic

G.652 single-mode fiberali ndi kubalalitsidwa kwakukulu mu C-gulu 1530 ~ 1565nm ndi L-gulu 1565 ~ 1625nm, zambiri 17 ~ 22psnm • Km, pamene mlingo dongosolo kufika 2.5Gbit/s kapena kuposa, kubalalitsidwa chipukuta kofunika, pa 10Gbit/s Dispersion chipukuta misozi mtengo wamakinawa ndiwokwera kwambiri, ndipo ndi mtundu wofala kwambiri wa ulusi womwe umayikidwa mu netiweki yopatsira pakali pano.

Kubalalika kwaG.653 dispersion-stifted fibermu C-band ndi L-band nthawi zambiri ndi -1~3.5psnm•km, ndi zero dispersion pa 1550nm, ndipo mlingo wa dongosolo akhoza kufika 20Gbit/s ndi 40Gbit/s, amene ndi single-wavelength ultra-long mtunda wautali. kufala Ulusi wabwino kwambiri.Komabe, chifukwa cha kufalikira kwa zero, pamene DWDM imagwiritsidwa ntchito kukulitsa, zotsatira zopanda malire zidzachitika, zomwe zimatsogolera ku crosstalk, zomwe zimapangitsa kuti FWM ikhale yosakanikirana ndi mafunde anayi, kotero DWDM si yoyenera.

G.655 ulusi wopanda ziro dispersion-shifted fiber: G.655 non-zero dispersion-shifted fiber imakhala ndi dispersion ya 1 mpaka 6 psnm•km mu C-band, ndipo kawirikawiri 6-10 psnm•km mu L-band.Kubalalitsidwa ndi kochepa ndipo kumapewa ziro.Malo obalalika samangoletsa kusakaniza kwa mafunde anayi a FWM, angagwiritsidwe ntchito pakukula kwa DWDM, komanso amatha kutsegula machitidwe othamanga kwambiri.Chingwe chatsopano cha G.655 chikhoza kukulitsa malo ogwira ntchito ku 1.5 mpaka 2 nthawi ya fiber wamba, ndipo malo akuluakulu ogwira ntchito amatha kuchepetsa mphamvu zamagetsi!

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