Yuav Tsim Dab Tsi Tsim Koj FTth Network Splitting Theem thiab Cov Npe?

Yuav Tsim Dab Tsi Tsim Koj FTth Network Splitting Theem thiab Cov Npe?

Hauv Kev Kho Mob Kom Zoo Nraud Optical Network (PON), optical splitters ua si ib qho tseem ceeb hauv Fiber rau lub Tsev (FTTH) tes hauj lwm los ntawm kev cia ib lub PON interface mus koom nrog ntau tus neeg yuav khoom. Optical Splitters yog nruab rau hauv txhua qhov chaw kho qhov muag ntawm PON Optical Line Terminal (OLT) thiab Optical Network Terminals (ONTs) tias OLT ua hauj lwm pab. Thaum lub sij hawm xa tawm ntawm fiber ntau mus rau lub tsev tsis zoo kho qhov muag network, feem ntau, peb yuav ntsib ib co kev siv lub cev tsim teeb meem. Tsab xov xwm no yuav pab koj daws cov FTTH splitting qib thiab qhov teeb meem tsim qhov teeb meem.

Xaiv Optical Splitter: PLC Splitter los yog FBT Splitter?

Ua ntej peb pib sib tham txog qhov kev faib tawm thiab qhov kev tsim tawm, nws tsim nyog xaiv qhov kev kho qhov muag zoo tshaj plaws rau koj lub FTTH network. Muaj ob hom optical splitters hauv peb daim FTTH application-PLC splitter thiab FBT splitter. Ntawm no peb muaj kev sib piv nruab nrab ntawm cov ob hom splitter:

Raws li peb pom hauv cov lus saum toj no, nrog rau kev loj hlob sai ntawm FTTH thoob ntiaj teb, qhov kev yuav tsum tau loj dua qhov sib txeeb (1x32, 1x64, thiab lwm yam) hauv cov kev sib txuas lus no kuj tau loj hlob tuaj ua hauj lwm pab pawg, vim PLC splitters muaj tseeb thiab txawm tias ploj nrog tsawg poob hauv ib lub pob, lawv muaj kev daws teeb meem rau niaj hnub FTTH cov kev siv dua li FBT splitters.

FTTH Network Splitting Theem Tsim

Lub PON yog lub tswv yim fiber ntau ntawm FTTH lub network. Thawj qhov tseem ceeb ntawm kev tsim vaj tse rau lub PON network yog qhov uas muab qhov chaw kawm ua qhov chaw mos. PON splitting tej zaum yuav tiav los ntawm centralized splitting (one-level) los yog cascaded splittings (ob theem los yog ntau dua). Lub hauv paus ntsis mus kom ze siv feem ntau yog siv cov 1x32 splitter nyob rau hauv ib qho chaw muaj roj ntau ntau (FDH). Lub splitter yog ncaj qha kev cob cog rua ntawm ib tus fib kis mus rau ib tug OLT nyob rau hauv central chaw ua hauj lwm. Nyob rau lwm sab ntawm qhov kho qhov muag splitter, 32 fibers yog routed rau 32 cov neeg muas zaub 'tsev, qhov nws txuas nrog ONT. Yog li, PON network txuas ib qhov chaw nres nkoj ntawm OLT rau 32 ONTs.

Ib tug cascaded mus kom ze yuav siv ib tug 1x4 splitter nyob hauv ib qho chaw cog sab nraud. Qhov no txuas ncaj nraim mus rau qhov chaw nres nkoj hauv OLT hauv lub chaw ua haujlwm. Txhua daim ntawm plaub fibers tawm hauv no qib 1 splitter yog routed mus rau ib qho kev siv dav hlau uas nyob hauv tsev 1x8 theem 2 splitter. Nyob rau hauv qhov kev ua no, yuav muaj tag nrho ntawm 32 fibers (4 x 8) ncav 32 tsev. Nws muaj peev xwm muaj ntau tshaj ob seem theem nyob hauv qhov system cascaded, thiab qhov sib npaug zuag qhia tag nrho yuav txawv (1x16 = 4x4, 1x32 = 4x8, 1x64 = 4x4x4).

Lub hauv paus loj architecture feem ntau muaj ntau dua kev yooj yim, txo cov nqi ua haujlwm thiab yooj yim rau cov kws kho mob. Ib qho kev sib tw cas yuav ua rau kom rov qab tau sai dua rov qab ua ntej nrog cov nqi qis dua thiab cov nqi hluav taws xob. Feem ntau, qhov nruab nrab ntawm txoj kev faib kev siv yog siv nyob rau hauv ntau qhov chaw hauv nroog los yog hauv nroog, kom txo tau cov nuj nqis thiab yooj yim kom muaj qhov sib koom ua ke network (ODN) node. Hauv ob sab, ob-theem thiab ntau theem cascaded splitting kua yog siv nyob rau hauv kev curb los yog zos chaw, los npog pob ODN nodes, txuag nyiaj txiag thiab txuag tau nyiaj.

FTTH Network Splitting Ratio Tsim

Ntau hom kev kho qhov nruab nrab ntawm cov PON yog ib lub zog uas tsis muaj zog xws li 1: N lossis 2: N splitting ratio (N = 2 ~ 64), qhov twg N ntau pes tsawg tus output ports. Lub tshuab fais fab kho qhov muag tau muab faib rau txhua qhov tso tawm ntawm cov qhov tso tawm. Txawv piv splitters kuj ua tau txawv hauv koj lub network. Tom qab ntawd, yuav ua li cas tsim koj tus lej faib tawm? Raws li cov lus hais saum toj no, yog tias koj xaiv qhov nruab nrab ntawm qhov muab faib ua haujlwm, koj yuav tsum siv 1x32 lossis 1x64 splitter. Txawm li cas los xij, yog tias koj xaiv cov khib nyiab khib nyiab, 1x4 thiab 1x8 splitter siv tau ntau dua. Tsis tas li ntawd xwb, raws li peb lub EPON / GPON qhov kev tsim kho, thaum qhov kev sib faib tawm yog 1:32, koj lub chaw ua haujlwm tam sim no muaj peev xwm txais tau cov paib fiber optic hauv 20 km. Yog tias koj qhov kev ncua deb ntawm OLT thiab ONU me, zoo li hauv 5 km, koj tuaj yeem xav txog 1:64.

Xaus

Thaum twg tsim koj tus FTTH network splitting level, qhov tseeb, centralized splitting thiab cascaded splitting ob leeg muaj nws qhov zoo thiab tsis zoo. Peb yuav tsum tau hnyav cov teeb meem no thiab xaiv ib qho kev tsim phom sij rau peb lub network. Raws li kev cais kev tsim, los xyuas kom meej ib qho kev sib kis ntawm cov teeb meem kev sib txuas lus, qhov ntev kis tau tus kabmob, qhov sib cais tsawg dua yuav tsum tau siv. FOCC muab tag nrho series 1xN los yog 2xN PLC thiab FBT optical splitters uas tau faib ib zaug / dual optical input (s) rau ntau hom kev kho qhov muag tawm, thiab muaj kev sib tw siab tshaj plaws, kev ruaj siab thiab kev cia siab rau kom tau raws li ntau cov ntawv teev tseg. Yog xav paub ntxiv, koj tuaj yeem mus saib peb qhov chaw kom paub ntau ntxiv txog peb cov PON splitters.