Cov kis tau kis ntawm FTTH tau muab faib ua peb pawg: Duplex (dual fiber bidirectional) voj, Simplex (ib leeg fiber bidirectional) voj thiab Triplex (ib leeg fiber ntau txoj kev) lub voj. Lub voj voos dual-fiber siv ob lub kho qhov muag nruab nrab ntawm OLT kawg thiab ONU kawg, ib txoj kev yog nqes dej, thiab lub teeb liab mus ntawm OLT xaus rau ONU kawg; lwm txoj kev yog ntws, thiab lub teeb liab mus ntawm ONU xaus rau OLT kawg. Simplex ib leeg-fiber lub voj voos tseem hu ua Bidirectional, lossis BIDI rau luv. Txoj kev daws teeb meem no tsuas siv ib qho kho qhov muag tau txuas rau OLT kawg thiab ONU kawg, thiab siv WDM xa cov cim hluav taws xob rau sab saud thiab sab nraud nrog qhov ntsuas hluav taws xob ntawm qhov sib txawv ntawm wavelengths. Piv nrog rau Duplex dual-fiber Circuit, cov hluav taws xob ib leeg-fiber ntau siv WDM kis tau tuaj yeem txo cov khoom siv fiber ntau los ntawm ib nrab thiab txo tus nqi ntawm ONU cov neeg siv khoom kawg. Nws yog qhov txawv me ntsis dua li ntawm cov khoos phis tawm transceiver uas siv dual-fiber txoj kev. BIDI cov teeb liab ntws sab saum toj siv cov thev xa hluav taws xob hauv 1260 rau 1360nm band, thiab nqes tes siv 1480 rau 1580nm band. Hauv lub voj voos dual-fiber ntau, ob qho tib si ntws tawm sab hauv thiab sab saud siv 1310nm band xa cov cim.
FTTH muaj ob qhov thev naus laus zis: Media Converter (MC) thiab Passive Optical Network (PON). MC yog siv rau kev hloov cov tooj liab xov tooj siv nyob rau hauv cov tsoos Ethernet network, thiab adopts qhov taw tes-rau-point (P2P) topology kom xa cov kev pabcuam 100Mbps rau cov neeg siv' cov tsev nyob dhau los ntawm cov kis hluav taws xob. Lub PON architecture yog feem ntau los cais lub teeb liab kho qhov muag los ntawm lub kho qhov muag kab davhlau ya nyob twg (OLT) ntws los ntawm cov kab hluav taws xob los ntawm cov kho qhov muag kom thiaj li xa cov teeb liab kho qhov muag rau txhua qhov kho qhov muag network dav hlau (ONU / T), yog li txo cov cuab yeej network. chav tsev. Thiab tus nqi ntawm cov cuab yeej siv kho, txuag ntau tus nqi kev tsim kho xws li hluav taws xob kho qhov muag, yog li nws tau dhau los ua cov tshuab kub tshiab ntawm FTTH. FTTH tam sim no muaj peb qhov kev daws teeb meem: taw tes-rau-taw qhia FTTH kev daws teeb meem, EPON FTTH kev daws teeb meem thiab GPON FTTH daws.
