FTTx yog dab tsi?
FTTx yog "Fiber To The x" thiab yog lub ntsiab lus dav dav rau kev siv fiber ntau hauv kev sib txuas lus fiber ntau.x sawv cev rau qhov chaw ntawm cov kab fiber ntau.Xws li x = H (Fiber rau lub tsev), x = O (Fiber rau lub chaw ua hauj lwm), x = B (Fiber rau lub tsev).FTTx thev naus laus zis sib txawv los ntawm cov khoom siv hauv nruab nrab hauv chav sib txuas lus hauv cheeb tsam mus rau cov neeg siv khoom siv davhlau ya nyob twg, suav nrog kho qhov muag kab davhlau ya nyob twg (OLT), kho qhov muag network (ONU), kho qhov muag network davhlau ya nyob twg (ONT).
Raws li qhov chaw ntawm ONU ntawm tus neeg siv kawg ntawm chav tsev kho qhov muag, muaj ntau hom FTTx, uas tuaj yeem muab faib ua fiber ntau rau lub thawv hloov (FTTCab), fiber ntau rau txoj kev (FTTC), fiber ntau rau lub tsev. (FTTB), fiber ntau rau lub tsev (FTTH), fiber ntau rau qhov chaw ua haujlwm (FTTO) thiab lwm yam kev pabcuam.US tus neeg teb xov tooj Verizon hais txog FTTB thiab FTTH ua fiber ntau rau thaj chaw (FTTP).
FTTCab(Fiber rau Txwj Laug)
Cov kab ib txwm hloov nrog optical fiber.ONU tau muab tso rau ntawm lub thawv sib txuas.ONU hauv qab no siv tooj liab hlau lossis lwm yam xov xwm los txuas rau tus neeg siv.
FTTC(Fiber rau qhov Curb)
Kev teeb tsa thiab siv cov kab hluav taws xob kho qhov muag los ntawm lub hauv paus chaw ua haujlwm mus rau txoj kev hauv ib txhiab ko taw ntawm tsev lossis chaw ua haujlwm.Feem ntau, ib qho kev sib txuas sib txuas uas muaj peev xwm nyob ze rau tus neeg siv tau tso ua ntej.Thaum muaj kev xav tau rau cov kev pabcuam dav dav, fiber ntau tuaj yeem coj mus rau tus neeg siv sai thiab cov fiber ntau tuaj yeem ncav cuag hauv tsev.
FTTB(Fiber rau Lub Tsev)
Nws yog ib txoj hauv kev siv dav dav raws li kev ua kom zoo tshaj plaws ntawm fiber ntau network technology.Nws siv fiber ntau rau lub tsev thiab network cable mus rau lub tsev kom ua tiav cov neeg siv khoom siv dav dav.Feem ntau, kev siv kab mob siab rau kev siv, uas yooj yim rau nruab thiab tuaj yeem muab qhov siab tshaj plaws ntawm cov dej ntws thiab qis qis ntawm 10Mbps (tsuas yog).
FTTH(Fiber Rau Tsev)
TTH yog hais txog kev teeb tsa ntawm chav tsev kho qhov muag (ONU) ntawm tus neeg siv hauv tsev lossis cov neeg siv lag luam.Nws yog hom kev siv kho qhov muag siv lub network uas nyob ze rau cov neeg siv tshwj tsis yog FTTD (optical fiber rau desktop) hauv cov khoom siv kho qhov muag.PON thev naus laus zis tau dhau los ua qhov hotspot sib koom los ntawm cov tswv lag luam thoob ntiaj teb thiab suav tias yog ib qho kev daws teeb meem zoo tshaj plaws kom ua tiav FTTH.
FTTP(Fiber rau qhov chaw)
FTTP yog ib lo lus North American.Nws suav nrog FTTB, FTTC, thiab FTTH hauv qhov kev nkag siab nqaim, thiab txuas cov fiber ntau kho qhov muag rau cov tsev lossis cov lag luam.
