A lub thawv fiber optic, suav nrog ob qho tib sifiber optic lub thawv sab nraum zoovthiabfiber optic lub thawv sab hauv tsevcov qauv, hloov cov teeb liab los ntawmlub thawv fiber optickev sib txuas ua cov ntaub ntawv digital rau kev siv internet. Tsis zoo li cov modems ib txwm muaj, uas ua cov teeb liab hluav taws xob, cov thev naus laus zis fiber optic xa cov ceev sib npaug txog li 25 Gbps,qis latency, thiab kev ntseeg siab tshwj xeeb.Kev sib txuas ntawm fiber optic pigtailtxo qhov kev cuam tshuam thiab kev sib tsoo ntxiv, ua rau fiber yog qhov kev xaiv zoo tshaj plaws rau cov internet niaj hnub, ceev ceev.
Cov Ntsiab Lus Tseem Ceeb
- Cov thawv fiber opticsiv cov teeb liab los xa cov internet ceev heev, txhim khu kev qha nrog qhov ceev txog li 25 Gbps, hla dhau cov modems ib txwm uas vam khom cov teeb liab hluav taws xob thiab muab qhov ceev qis dua.
- Cov modems hloov cov ntaub ntawv digital mus ua cov teeb liab uas haum rau cov kab tooj liab lossis cov kab cable, ua rau nkag mus rau hauv internet tab sis muaj kev txwv hauv qhov ceev, qhov deb, thiab latency piv raukev siv tshuab fiber optic.
- Kev xaiv cov thawv fiber optic ua kom muaj kev ruaj ntseg zoo dua, txo qis qhov ua tsis tiav, thiab cov tes hauj lwm yav tom ntej, ua rau lawv zoo tagnrho rau cov tsev thiab cov lag luam uas nrhiav kev ua tau zoo thiab kev nthuav dav.
Lub thawv fiber optic: Nws yog dab tsi thiab nws ua haujlwm li cas
Kev Txhais thiab Lub Luag Haujlwm Tseem Ceeb
A lub thawv fiber opticua haujlwm ua lub hauv paus tseem ceeb rau kev tswj hwm thiab tiv thaiv cov xov hlau fiber optic hauv ob qho tib si hauv tsev thiab kev lag luam. Lub cuab yeej no teeb tsa cov kev sib txuas cable, tiv thaiv cov fibers los ntawm kev puas tsuaj ib puag ncig thiab kev kho tshuab, thiab ua kom ruaj khov, xa cov ntaub ntawv ceev ceev. Cov thawv fiber optic niaj hnub sivcov khoom sib txuas ceev thiab cov khoom siv kho kom ruaj khovkom txo qhov poob ntawm lub teeb liab thiab muab kev sib txuas sai thiab txhim khu kev qha. Ntau tus qauv muaj qhov ntsuas IP68 tsis muaj dej, uas lav qhov ruaj khov hauv cov xwm txheej hnyav. Cov thawv no kuj txhawb nqa kev nthuav dav hauv network, ua rau kev nthuav dav yooj yim thaum kev thov hauv internet loj hlob. Cov khoom faib tawm hauv lub thawv faib cov teeb liab tuaj, ua rau ib txoj kab fiber ntau los pab ntau tus neeg siv lossis cov khoom siv tau zoo. Cov qhov hluav taws xob fiber optic phab ntsa, feem ntau koom ua ke nrog cov thawv no, txuas ncaj qha rau cov khoom siv neeg siv thiab xa cov ntaub ntawv ceev ceev nrog kev cuam tshuam tsawg kawg nkaus.
Lus Cim: Cov thawv fiber optic ua lub luag haujlwm tseem ceeb hauv kev sib txuas lus yav tom ntej, ua rau lawv tseem ceeb rau kev siv internet ceev ceev hauv tsev, lag luam, thiab chaw ua haujlwm.
Yuav ua li cas lub thawv Fiber Optic hloov pauv lub teeb liab
Ib lub thawv fiber optic ua haujlwm los ntawm kev tswj hwm kev hloov pauv thiab kev faib tawm ntawm cov teeb liab uas nqa cov ntaub ntawv los ntawm cov fibers optical. Ntawm qhov kawg ntawm kev xa xov, cov khoom siv xws li LEDs lossis laser diodes tsim cov teeb liab los ntawm cov teeb liab hluav taws xob. Cov pulses no mus ncig los ntawm cov fiber, coj los ntawm tag nrho cov kev cuam tshuam sab hauv, uas ua rau lub teeb liab poob qis heev. Thaum lub teeb mus txog lub thawv fiber optic, photodiodes hloov lub teeb rov qab mus rau hauv cov teeb liab hluav taws xob rau kev siv los ntawm routers lossis lwm yam khoom siv network. Cov amplifiers hauv lub kaw lus tswj lub zog teeb liab hla kev deb, txhawb nqa kev xa cov ntaub ntawv hla kaum lossis txawm tias pua pua kilometers. Multiplexing technologies, xws li wavelength division multiplexing (WDM), tso cai rau ntau cov ntaub ntawv ntws mus ncig tib lub sijhawm ntawm ntau qhov wavelengths, ua rau bandwidth thiab kev sib txuas ceev dua. Kev sim hauv thaj teb tau qhia tias cov kab ke no tuaj yeem xa cov ntaub ntawv hla 150 kilometers siv ntau lub wavelengths, qhia txog kev ua haujlwm ntawmcov thawv fiber optichauv kev txhawb nqa kev sib txuas hauv internet ceev ceev thiab txhim khu kev qha.
Modem: Lub Hom Phiaj thiab Kev Ua Haujlwm
Kev Txhais thiab Lub Luag Haujlwm Tseem Ceeb
Ib lub modem, luv rau modulator-demodulator, ua haujlwm ua ib lub cuab yeej tseem ceeb hauv kev sib txuas hauv internet niaj hnub no. Nws hloov cov ntaub ntawv digital los ntawm cov khoos phis tawj lossis cov routers mus rau hauv cov teeb liab analog uas tuaj yeem hla cov kab xov tooj ib txwm muaj. Thaum cov ntaub ntawv tuaj txog ntawm internet, lub modem thim rov qab cov txheej txheem no, hloov cov teeb liab analog rov qab mus rau hauv cov ntaub ntawv digital rau kev siv los ntawm cov khoom siv txuas nrog. Cov modem thaum ntxov ua haujlwm ntawm qhov ceev qis heev, xws li 300 bits ib ob, tab sis thev naus laus zis tau nce qib ntau heev. Niaj hnub no cov broadband modems tuaj yeem ncav cuag qhov ceev hauv pua pua megabits ib ob. Sab hauv, lub modem muaj lub maub los, cov hloov digital-rau-analog thiab analog-rau-digital, thiab kev npaj nkag mus rau cov ntaub ntawv. Muaj ntau hom modem sib txawv, suav nrog dial-up, leased-line, broadband, thiab software-based qauv. Txhua hom pabcuam cov kev xav tau network thiab cov khoom siv lub cev.
Cov modemtseem ceeb rau kev txuas cov tsev thiab cov lag luam rau hauv internet, hloov kho cov hom ntaub ntawv kom sib xws nrog ntau hom kev pabcuam.
- Cov modems txuas qhov sib txawv ntawm lub network hauv zos thiab internet los ntawm kev txhais cov teeb liab los ntawm tus neeg muab kev pabcuam internet (ISP) mus rau hauv cov ntaub ntawv uas cov khoom siv tuaj yeem siv.
- Lawv txhawb nqa ntau yam khoom siv sib txawv, xws li DSL, cable, lossis fiber, kom ntseeg tau tias muaj kev sib raug zoo dav dav.
- Cov modems ua rau muaj kev nkag mus rau hauv internet ncaj qha los ntawm kev txuas tus neeg siv qhov chaw nyob rau ISP cov khoom siv.
- Ntau lub modem niaj hnub no sib xyaw nrog cov routers, muab kev tswj hwm network thiab kev ruaj ntseg.
- Cov khoom siv modem-router ua ke ua rau kev teeb tsa yooj yim dua thiab txhim kho kev ntseeg siab rau cov neeg siv.
- Yog tsis muaj modem, kev nkag mus rau hauv internet ncaj qha tsis tuaj yeem ua tau.
Yuav ua li cas Modem ua cov teeb liab hluav taws xob
| Aspect | Cov Modems (Modulator-Demodulator) | Cov Thawv Fiber Optic (Cov Transmitters thiab Receivers) |
|---|---|---|
| Kev Ua Haujlwm Txog Kev Teeb Liab | Kev hloov kho thiab demodulation ntawm cov teeb liab hluav taws xob digital mus rau hauv cov teeb liab uas tsim nyog rau cov xov xwm xa hluav taws xob. | Cov transmitters hloov cov teeb liab hluav taws xob digital mus rau hauv cov teeb liab teeb pom kev zoo; cov receivers hloov cov teeb liab optical rov qab mus rau cov teeb liab hluav taws xob. |
| Txoj Kev Hloov Kho | Kev hloov kho/kev tshem tawm cov teeb liab hluav taws xob (piv txwv li, kev hloov kho qhov loj lossis zaus). | Kev hloov pauv hluav taws xob-optical: kev hloov kho qhov muaj zog ntawm lub teeb siv LEDs lossis laser diodes; kev hloov pauv hluav taws xob-optical siv photodiodes. |
| Cov Cheebtsam Tseem Ceeb | Cov modulator thiab demodulator circuits uas tswj cov teeb liab hluav taws xob. | Cov khoom xa tawm: LEDs lossis laser diodes modulated los ntawm cov teeb liab hluav taws xob; Cov khoom txais: photodiodes (PIN lossis APD), bias resistors, low-noise pre-amplifiers. |
| Cov Nruab Nrab Teeb Liab | Cov xov xwm xa hluav taws xob (piv txwv li, cov xov tooj liab). | Cov cables fiber optic nqa cov teeb liab modulated. |
| Cov yam ntxwv ntawm kev hloov pauv | Hloov cov nthwv dej hluav taws xob los sawv cev rau cov ntaub ntawv digital (0′s thiab 1′s). | Hloov kho qhov muaj zog ntawm lub teeb kom sawv cev rau cov ntaub ntawv digital; LEDs muab cov lus teb fais fab-tam sim no, laser diodes muab lub zog thiab qhov ceev dua tab sis nrog cov yam ntxwv tsis yog linear. |
| Cov Ntawv Sau Keeb Kwm / Kev Tsim Qauv | Cov khoom siv txheem ua haujlwm modulation / demodulation. | Cov transmitters thaum ntxov yog cov qauv tsim tshwj xeeb; tam sim no hybrid modules nrog integrated circuits thiab optical diodes; tsim complexity nce nrog cov ntaub ntawv nqi. |
Cov lus qhia no qhia txog qhov sib txawv ntawm cov qauv modem thiab cov thawv fiber optic ua cov teeb liab li cas. Cov modem tsom mus rau cov teeb liab hluav taws xob thiab cov xov tooj liab, thaum cov thawv fiber optic tswj cov teeb liab thiab cov fiber optical.
Lub thawv fiber optic vs modem: Qhov sib txawv tseem ceeb
Kev Siv Tshuab thiab Hom Teeb Liab
Cov thawv fiber optic thiab modems siv cov thev naus laus zis sib txawv los xa cov ntaub ntawv. Lub thawv fiber optic tswj thiab teeb tsa cov xov fiber, ua kom muaj kev sib txuas ruaj khov thiab tsawg kawg poob teeb liab. Nws tsis hloov cov teeb liab tab sis hloov chaw ua haujlwm ua qhov chaw faib rau lub teeb pulses taug kev los ntawm cov iav lossis yas fibers. Qhov sib piv, lub modem ua haujlwm ua tus choj ntawm cov khoom siv digital thiab cov khoom siv xa xov. Nws hloov cov teeb liab hluav taws xob digital los ntawm cov khoos phis tawj lossis routers mus rau hauv cov teeb liab analog lossis optical, nyob ntawm hom network.
Cov thev naus laus zis fiber optic siv cov teeb liab uas tsim los ntawm LEDs lossis laser diodes. Cov teeb liab no mus ncig los ntawm cov fibers nyias nyias, muab cov bandwidth siab thiab tiv thaiv kev cuam tshuam electromagnetic. Modems, tshwj xeeb tshaj yog cov uas tsim rau cov tes hauj lwm fiber, tswj kev hloov pauv ntawm cov teeb liab hluav taws xob thiab kho qhov muag. Lawv siv cov txheej txheem modulation los encode cov ntaub ntawv rau ntawm lub teeb lossis cov khoom siv hluav taws xob. Ntau hom modem, xws liE1, V35, RS232, RS422, thiab RS485, txhawb ntau yam ntaub ntawv tus nqi thiab qhov deb, ua rau lawv haum rau ntau yam kev siv network.
Cov thawv fiber optic feem ntau tswj cov khoom siv cable, thaum cov modems ua lub luag haujlwm tseem ceeb ntawm kev hloov pauv teeb liab. Qhov kev sib txawv no ua rau lawv lub luag haujlwm hauv cov tes hauj lwm niaj hnub no.
Kev Ceev thiab Kev Ua Tau Zoo
Kev ceev thiab kev ua tau zoo sawv cev rau qhov sib txawv loj ntawm cov thawv fiber optic thiab cov modems ib txwm muaj. Cov thawv fiber optic txhawb nqa kev xa cov ntaub ntawv ntawm qhov ceev heev, feem ntau ncav cuag txog li 25 Gbps lossis ntau dua. Kev siv lub teeb pulses tso cai rau kev xa cov ntaub ntawv sai, tib lub sijhawm nrog latency qis heev. Cov cables fiber optic tuaj yeem nqa ntau cov ntaub ntawv ntws siv cov thev naus laus zis xws li wavelength division multiplexing, uas ua rau muaj peev xwm ntxiv.
Cov modems, tshwj xeeb tshaj yog cov uas siv cov xov tooj liab, ntsib cov kev txwv hauv ob qho tib si ceev thiab nrug. Cov teeb liab hluav taws xob poob qis dua qhov deb ntev, ua rau bandwidth qis dua thiab latency siab dua. Txawm tias cov cable modems siab heev tsis tshua phim cov symmetrical upload thiab download ceev uas muab los ntawm cov fiber optic systems. Fiber optic boxes, xws li cov uas muab los ntawm Dowell, ua rau cov lag luam thiab cov tsev nkag mus raukev sib txuas hauv internet ceev heevuas txhawb nqa streaming, gaming, thiab huab daim ntawv thov yam tsis muaj kev cuam tshuam.
| Feature | Lub thawv fiber optic | Modem (Tooj Liab/Cable) |
|---|---|---|
| Hom Teeb Liab | Lub teeb ci ntsa iab | Cov teeb liab hluav taws xob |
| Qhov Ceev Tshaj Plaws | Txog li 25 Gbps+ | Txog li 1 Gbps (ib txwm) |
| Kev ncua sijhawm | Qis heev | Nruab nrab mus rau siab |
| Qhov Deb | 100+ km | Txwv (ob peb km) |
| Bandwidth | Siab heev | Nruab nrab |
Kev Ruaj Ntseg thiab Kev Ntseeg Siab
Kev ruaj ntseg thiab kev ntseeg siab ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab txog kev tsim kho hauv network. Cov thawv fiber optic muab kev tiv thaiv zoo tiv thaiv kev cuam tshuam electromagnetic, uas ua kom muaj kev ua haujlwm zoo txawm tias nyob hauv ib puag ncig uas muaj suab nrov hluav taws xob siab. Cov khoom siv lub cev ntawm cov cables fiber optic ua rau lawv nyuaj rau kov yam tsis muaj kev kuaj pom, txhim kho kev ruaj ntseg ntawm cov ntaub ntawv. Cov kab ke fiber optic kuj muaj kev tsis ua haujlwm tsawg dua thiab xav tau kev saib xyuas tsawg dua piv rau cov tes hauj lwm tooj liab.
Txawm li cas los xij, kev tsim kho vaj tse ntawm cov thawv fiber optic tuaj yeem tsim kev cuam tshuam hluav taws xob (EMI), tshwj xeeb tshaj yog ntawm txoj kev lossis tsev. EMI no tuaj yeem taug kev los ntawm cov xov tooj liab thiab cuam tshuam rau cov khoom siv hluav taws xob rhiab heev. Cov tuam txhab zoo li Dowell daws cov kev txhawj xeeb no los ntawm kev tsim cov thawv fiber optic nrog kev tiv thaiv zoo dua thiab kev tsim kho kom ruaj khov, txo cov pa phem EMI thiab txhim kho kev ntseeg siab tag nrho.
Cov modems, tshwj xeeb yog cov uas muaj cov yam ntxwv siab heev, tso cai rau cov neeg siv tswj cov pa hluav taws xob electromagnetic field (EMF). Qee cov qauv tso cai rau cov neeg siv kaw Wi-Fi lossis siv cov routers qis-EMF, uas tuaj yeem txo qhov kev raug hluav taws xob hauv tsev. Txawm hais tias cable modems yuav muab kev tswj hwm ntau dua rau cov neeg siv ntawm EMF, lawv tsis tuaj yeem phim qhov kev nyab xeeb thiab kev ntseeg siab ntawm cov thev naus laus zis fiber optic.
Lub Tswv Yim: Rau cov neeg siv nrhiav kev ruaj ntseg thiab kev ntseeg siab tshaj plaws, cov thawv fiber optic los ntawm cov chaw tsim khoom muaj npe nrov xws li Dowell muab kev daws teeb meem yav tom ntej rau ob lub network hauv tsev thiab lag luam.
Lub thawv fiber optic thiab modem hauv tsev thiab kev teeb tsa lag luam
Kev Sib Koom Tes Hauv Tsev Ib Txwm Muaj
Cov tes hauj lwm hauv tsev niaj hnub no feem ntau vam khom cov khoom siv siab heev los xa cov internet ceev thiab txhim khu kev qha rau txhua chav. Ntau tsev neeg sivcov xov hlau fiber optic, xws li PureFiber PRO, kom ua tiav qhov ceev ntawm modem thoob plaws hauv tsev. Txoj hauv kev no tshem tawm qhov lag thiab qhov ceev poob uas feem ntau tshwm sim nrog cov cables CAT ib txwm muaj. Cov neeg nyob hauv tsev feem ntau ntsia 4-port fiber rau Ethernet adapters hauv qhov chaw nyob, tso cai rau ntau yam khoom siv - xws li Smart TVs, gaming consoles, VOIP xov tooj, thiab WiFi access points - txuas tib lub sijhawm. Qee lub tsev daisy-chain cov adapters no hauv lub txee hluav taws xob, tsim cov scalable multi-port switches rau kev nthuav dav yav tom ntej.
Cov neeg tsim qauv network feem ntau siv MPO rau LC fiber breakout pigtails, uas muab ntau qhov kev sib txuas fiber ywj pheej rau ib txoj hlua. Qhov kev teeb tsa no ua rau cov network sib cais rau ntau lub hom phiaj sib txawv, xws li ua haujlwm hauv tsev, kev tswj hwm lub tsev ntse, lossis kev saib xyuas menyuam yaus kom nyab xeeb. Cov khoom siv nrog SFP qhov thiab HDMI 2.1 txhawb nqa tuaj yeem txuas ncaj qha, ua rau muaj kev tshaj tawm video 4K lossis 8K tsis muaj kev sib txuas. Cov tswv tsev tau txais txiaj ntsig los ntawm kev teeb tsa plug-and-play, cov phaj phab ntsa hloov pauv tau, thiab kev hloov kho cable yooj yim. Cov yam ntxwv no ua kom muaj bandwidth siab, tsis muaj lag, thiab yav tom ntej-proofing rau kev hloov pauv digital xav tau.
Kev Xav Txog Kev Sib Txuas Lus Hauv Is Taws Nem
Cov lag luam xav tau cov khoom siv network uas ruaj khov, nthuav dav tau, thiab ruaj ntseg. Cov koom haum feem ntau xa cov optical network terminals (ONTs) los hloov cov teeb liab optical mus ua cov teeb liab hluav taws xob rau kev siv hauv cov chaw ua haujlwm hauv chaw ua haujlwm. ONTs feem ntau muaj ntau lub chaw nres nkoj Ethernet ceev ceev, txhawb nqa VoIP, thiab cov yam ntxwv kev ruaj ntseg siab heev xws li AES encryption. Cov tuam txhab txuas ONTs rau cov routers ceev ceev thiab Gigabit switches, faib kev nkag mus rau hauv internet thoob plaws cov chaw haujlwm thiab cov khoom siv.
Ib lub rooj hauv qab no piav qhia txog kev koom ua ke ntawm kev siv tshuab:
| Aspect | Cov thawv fiber optic(ONT) | Cov modem |
|---|---|---|
| Kev Ua Haujlwm Tseem Ceeb | Kev hloov pauv ntawm lub teeb mus rau hluav taws xob | Kev hloov pauv teeb liab DSL/cable |
| Kev Ua Raws Cai ntawm Cov Qauv | GPON, XGS-PON | Cov qauv DSL/cable |
| Kev Teeb tsa Chaw Nres Nkoj | Ntau qhov chaw nres nkoj Ethernet ceev ceev | Cov chaw nres nkoj Ethernet |
| Cov Nta Kev Ruaj Ntseg | AES encryption, kev lees paub | Yooj yim, txawv ntawm tus qauv |
| Cov Nta Ntxiv | Roj teeb thaub qab, VoIP, wireless LAN | Kev hloov pauv teeb liab yooj yim |
Cov kev tshawb fawb qhia tau tias cov koom haum zoo li Eurotransplant txo tag nrho cov nqi ntawm kev muaj los ntawm 40% siv cov kev daws teeb meem fiber optic rau cov chaw khaws ntaub ntawv tseem ceeb. Cov neeg muab kev pabcuam, xws li Netomnia, tau tsim cov tes hauj lwm scalable txhawb nqa 800G kev loj hlob nrog cov thev naus laus zis fiber optic siab heev. Cov piv txwv no qhia txog kev hloov pauv ntawm cov modems ib txwm mus rau cov kev daws teeb meem fiber, tsav los ntawm qhov xav tau bandwidth siab dua, kev ntseeg siab, thiab cov khoom siv npaj rau yav tom ntej.
Xaiv Ntawm Lub Thawv Fiber Optic thiab Modem
Cov Yam Yuav Tsum Xav Txog: Kev Ceev, Tus Muab Kev Pabcuam, thiab Kev Sib Xws
Kev xaiv lub cuab yeej zoo rau kev sib txuas hauv internet yuav tsum tau soj ntsuam ntau yam ua tib zoo. Qhov ceev yog qhov txhawj xeeb tseem ceeb rau feem ntau cov neeg siv. Cov kab ke fiber muab bandwidth siab dua li cable lossis DSL lwm txoj hauv kev. Piv txwv li, cov tes hauj lwm fiber tuaj yeem muab cov ntaub ntawv upstream txog li 40 Gb / s sib koom ntawm cov neeg siv, thaum cov kab ke cable siv DOCSIS 3.1 feem ntau tsuas yog ncav cuag 1 Gb / s. Latency kuj txawv heev. Kev sib txuas fiber feem ntau tswj latency hauv qab 1.5 milliseconds, txawm tias nyob deb. Cov kab ke cable, ntawm qhov tod tes, yuav muaj kev latency ntxiv txij li 2 txog 8 milliseconds vim yog cov txheej txheem faib bandwidth. latency qis dua thiab bandwidth siab dua ua rau muaj kev paub zoo dua rau cov haujlwm xws li kev sib tham video, kev ua si online, thiab kev muaj tiag virtual.
Cov chaw muab kev pabcuam ua lub luag haujlwm tseem ceeb hauv kev xaiv cov khoom siv. Qee lub tuam txhab muab cov khoom siv rau cov neeg siv khoom, xws li modems lossis routers, yam tsis muaj nqi ntxiv. Cov lus qhia ntawm txoj cai lij choj yuav tsum tau kom cov chaw muab kev pabcuam ua tau raws li cov kev cai nruj heev. Yam tsawg kawg 80% ntawm kev ntsuas qhov ceev yuav tsum ncav cuag 80% ntawm qhov ceev uas xav tau, thiab 95% ntawm kev ntsuas latency yuav tsum nyob ntawm lossis qis dua 100 milliseconds. Cov chaw muab kev pabcuam kuj yuav tsum ua qhov kev ntsuas ceev thiab latency thaum lub sijhawm siab tshaj plaws kom ntseeg tau tias muaj kev ua tau zoo sib xws. Cov kev cai no pab cov neeg siv piv qhov zoo ntawm kev pabcuam thoob plaws ntau tus neeg muab kev pabcuam.
Kev sib raug zoo tseem yog lwm yam tseem ceeb. Tsis yog txhua lub cuab yeej ua haujlwm zoo nrog txhua hom network. Cov cuab yeej hloov xov xwm thiab cov modem ua haujlwm sib txawv. Cov cuab yeej hloov xov xwm tswj kev hloov pauv yooj yim ntawm cov teeb liab optical thiab hluav taws xob, thaum cov modem ua haujlwm modulation thiab demodulation rau kev sib txuas lus digital. Cov neeg siv yuav tsum xyuas kom meej tias lawv cov cuab yeej xaiv txhawb nqa cov protocols thiab interfaces uas lawv lub network ib puag ncig xav tau.
| Qhov tseem ceeb | Cov Txheej Txheem Ua Los Ntawm Fiber | Cov Txheej Txheem Cable/DSL |
|---|---|---|
| Qhov Bandwidth Siab Tshaj Plaws | Txog li 40 Gb/s (sib koom) | Txog li 1 Gb/s (DOCSIS 3.1) |
| Feem ntau Latency | < 1.5 ms | 2–8 ms |
| Lub Luag Haujlwm ntawm Tus Muab Kev Pabcuam | Feem ntau muab ONT / Router | Feem ntau muab Modem / Router |
| Kev Sib Haum Xeeb | Yuav tsum tau siv cov khoom siv fiber-npaj txhij | Yuav tsum tau cable/DSL modem |
Lub Tswv Yim: Nco ntsoov xyuas kom meej tias lub cuab yeej sib xws nrog koj tus neeg muab kev pabcuam hauv internet ua ntej yuav khoom.
A lub thawv fiber optictswj cov ntaub ntawv raws li lub teeb nrog cov nqi ua tsis tiav qis dua li modems, raws li qhia hauv qab no:
| Cheebtsam | Tus Nqi Ua Tsis Tau (Txhua Xyoo) |
|---|---|
| Fiber-Optic Cable | 0.1% ib mais |
| Cov Khoom Siv Txais Teeb Pom Kev Zoo | 1% |
| Cov Khoom Siv Optical Transmitters | 1.5–3% |
| Cov Chaw Txuas / Modems Sab Saum Toj | 7% |
Cov neeg siv feem ntau tau txais txiaj ntsig los ntawm qhov ceev, kev ntseeg siab, thiab kev tsim qauv yav tom ntej ntawm alub thawv fiber optic.
Los ntawm: Eric
Xov tooj: +86 574 27877377
Xov tooj: +86 13857874858
Email:henry@cn-ftth.com
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Lub sijhawm tshaj tawm: Lub Xya Hli-08-2025