Video: Olt hauv GPON yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A GPON network muaj OLT (OpticalLine Terminals), ONU (Optical Network Unit), thiab splitter. Thesplitter yuav faib cov teeb liab thaum xav tau. Cov OLT coj tag nrho cov teeb liab kho qhov muag nyob rau hauv daim ntawv ntawm kab teeb ntawm lub teeb los ntawmONUs thiab yuav hloov nws mus rau ib qho hluav taws xob teeb liab. OLTs ib txwm txhawb nqa txog 72 qhov chaw nres nkoj.
Ib yam li ntawd, fiber ntau Olt yog dab tsi?
Optical kab davhlau ya nyob twg ( OLT ) yog cov khoom siv endpointhardware hauv passive optical network (PON). Ib OLT muaj ob lub luag haujlwm tseem ceeb: Hloov cov qauv teeb liab siv los ntawm FiOS tus neeg muab kev pabcuam rau qhov zaus thiab kev siv los ntawm PON system.
Ib tug kuj yuav nug, Olt yog dab tsi hauv FTTH? Thiab feem ntau ntawm FTTH Kev xa tawm yog inclined rau siv PON vim nws tus nqi qis thiab kev ua haujlwm siab uas tuaj yeem pab txuag tau qee qhov nyiaj ntawm cov nqi fiber ntau. Ib qho Gigabit PassiveOptical Network (GPON) system feem ntau muaj cov kab hluav taws xob kho qhov muag ( OLT ) ntawm lub chaw muab kev pabcuam hauv lub chaw haujlwm.
Kuj kom paub, GPON ONT yog dab tsi?
GPON sawv cev rau Gigabit Passive Optical Networks. GPON Lub network muaj xws li ob yam khoom siv sib kis, uas yog- Optical Line Termination (OLT) thiab OpticalNetwork Unit ( ONU ) lossis Optical Network Termination ( ONT ). GPON txhawb kev pabcuam triple-play, high-bandwidth, ntev ncav cuag (txog 20km), thiab lwm yam.
Dab tsi yog qhov txawv ntawm EPON thiab GPON?
GPON thiab EPON Qhov txawv GPON muab peb Layer 2 tes hauj lwm: ATM forvoice, Ethernet rau cov ntaub ntawv, thiab proprietary encapsulation rau lub suab. EPON , ntawm qhov tod tes, ntiav ib txheej txheej 2 network uas siv IP los nqa cov ntaub ntawv, suab, thiab yees duab.
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