Dab tsi yog qhov sib txawv ntawm OLT thiab ONT?

Nyob rau hauv lub ntiaj teb niaj hnub no, loj-teev kev siv cov tes hauj lwm fiber ntau yog tus caj qaum kev hloov pauv rau cov nroog, kev lag luam, thiab cov muab kev pabcuam. Nws yog qhov tseem ceeb kom nkag siab qhov sib txawv ntawm cov kab optical cov chav kawm terminals (Oolts) thiab kho qhov muag network terminals (ONTS).

Koj yuav tsum to taub raws nraim li cas thiab qhov twg olts thiab onts haum ua ke hauv koj lub siab dua kho qhov muag network (pon). Cov kev xaiv sib txawv cuam tshuam rau txhua qhov kev txiav txim siab tseem ceeb uas koj tau ua, suav nrog kev pov hwm kev pov hwm, kev kuaj mob, kev saib xyuas kev sib raug zoo.

Txawm hais tias koj tab tom nrhiav kev tso siab rau kev ua haujlwm siab loj hauv nruab nrab lossis chav kawm sab hauv, kev lag luam, lossis hluav taws xob zoo hluav taws xob tuaj yeem pab tau. Peb muab tag nrho cov kev cai ua tiav, kev tsim qauv FTTX, xws li ODM tsim, xws li cov khoom siv hluav taws xob OD

Pon Network architecture Txheej txheem cej luam

Ib qho kev ua haujlwm siab tshaj tawm ntawm ob lub hnub qub players: The OLT ntawm cov neeg muab kev pabcuam lub chaw pabcuam thiab cov Onets Tucked deb ntawm cov neeg siv tsev lossis chaw ua lag luam. Hauv kev teeb tsa no, ib Fiber ntau cov roj hmab optical cable sau los ntawm lub olt rau ib qho kev cais tawm, ua rau muaj cov hluav taws xob tsis muaj txiaj ntsig hauv nruab nrab. Tias "passive" me ntsis ua rau nws yooj yim thiab muaj txiaj ntsig zoo rau kev faib cov ntaub ntawv.

• OLT (Optical LINE Terminal): Ua raws li tus tswj lub hub. Nws tswj bandwidth faib, kev sib sau ua ke, thiab hloov cov hluav taws xob hluav taws xob los ntawm cov cim kho qhov muag rau kev sib kis tau.
• Ont (Optical Network Terminal): Zaum ntawm cov neeg siv khoom sab, qhov chaw nws tau txais cov ntaub ntawv kho kho qhov muag tau sib kis tau los ntawm lub teeb liab kev sib kis tau los ntawm lub teeb liab liab, thiab tig rov qab rau lub cim hluav taws xob kis tau koj cov routers, PCs, lossis cov ntsiab lus nkag tau tuaj yeem siv tau.

Ua ke, tus olt thiab ont ua ib tug seamless optical faib saw. Lub olt orchestrates ntws ntws los ntawm koj cov network fiber ntau, thaum txhua tus ont pab cuam kawg ntawm kev xa tawm, kom koj tau txais kev txhim khu kev qha fiber ntau yam koj xav tau.

Dab tsi yog olt (kho qhov muag kab davhlau)

OLT sawv rau cov kab kho kab xaus. Nyob rau hauv lub ntiaj teb ntawm fiber ntau networking, nws yog qhov chaw tswj uas coj kev pabcuam hauv Is Taws Nem kom zoo dua tshiab hauv koj lub Pon (Passive Optical Network).

Koj feem ntau pom cov olt tau muab pov tseg hauv tus kws kho mob lub chaw haujlwm, cov ntaub ntawv chaw, lossis cov chaw nyob. Los ntawm muaj, nws hais mus rau kaum los lossis ntau pua ntawm kho qhov muag network terminals (ONTS) tawm hauv lub tshav pob, thoob plaws ib lub fiber ntau kho qhov muag cable thiab ib passive splitter.

Olt functions

• Cov ntaub ntawv sib sau ua ke & multiplexingLub OLT sau cov tsheb los ntawm txhua qhov ont, sib txuas nrog ntws los thiab nqes dej ntws mus rau hauv kev tswj hwm kev txaus.
• Txhawb cov nce toj / nqis los tswj hwm & QO sijhawmNws faib lub sijhawm slots thiab bandwidth kom cov ntawv thov latency-rhiab lossis video) tau txais kev ua ntej.
• Daim phiajcim hloov dua siab tshiab (hluav taws xob ↔ optical)Hluav Taws Xob Hluav Taws Xob los ntawm ISP caj qaum tau tig mus rau hauv lub teeb pulses rau kev faib tawm, tom qab ntawd hloov rov qab thaum cov ntaub ntawv rov qab.

OLT Cheebtsam

• CPU & Kev tswj cov qauvUa raws li lub hlwb, khiav raws kev cai thiab saib xyuas kev ua tau zoo.
• Sau npe nco (RM)Khw muag khoom cov ntaub ntawv teeb tsa thiab cov kev ua haujlwm ua haujlwm.
• Kho qhov muag Transceival modulesTxhawb nqa laser tsav tsheb thiab cov dej ntws tawm hauv photoades kov lub teeb-rau-hluav taws xob hloov.
• Fais fab mov & rov tsim qauvKub-Swappable hwj chim cov khoom siv thiab cov khoom siv backup khaws koj lub network online txawm tias thaum kho vajtse swb.

Dab tsi yog ont (kho qhov muag network davhlau ya nyob twg)

Ont sawv ntsug rau kho qhov muag network lub davhlau ya nyob twg (qee zaum hu ua Chav Network Network lossis ONU). Nws yog lub cuab yeej uas coj koj cov cuab yeej siv fiber ntau txoj cai rau hauv koj lub tsev neeg siv, chaw ua haujlwm lossis tsev kawm ntawv lossis lub tsev kawm ntawv, ua yeeb yam raws li tus choj kawg ntawm lub pon thiab koj cov network kawg.

Koj yuav pom ONTS tau ntsaws tseg rau ntawm cov neeg siv khoom sab-mounted ntawm ib lub phab ntsa sab hauv chaw nyob, ntsia hauv ib qho chaw tsim khoom, lossis zaum hauv lub rooj muag khoom noj hauv tsev sib koom tes. Lawv yog qhov kawg ntawm qhov kawg tau txais cov ntaub ntawv los ntawm OLT dhau ib fiber ntau lub cable thiab muab nws cov routers, lossis Wi-nkaus nkag cov ntsiab lus.

Ont functions

• Cov teeb liab kho qhov muag tau ua kho qhov muag tau ua haujlwm!Cov txheej txheem ont ntawm cov duab kos thiab tig lub teeb pulses rov qab rau hauv cov hluav taws xob teeb hluav taws xob koj cov cuab yeej nkag siab.
• Nqis Nqis / Downstream channel tswjNws buffers thiab cov sij hawm tsheb khiav kom lub suab hu, video ntws, thiab lub sijhawm xa cov ntaub ntawv rov qab - thiab thaum nws xa cov ntaub ntawv cov ntaub ntawv nce toj hauv nws lub sijhawm.

Ont Cheebtsam

• Kho dua tshiab module rau hloov teeb pom kev zoo rau hluav taws xob (thiab hloov pauv rov qab).
• Ethernet portions, ntxiv rau xaiv wifi thiab catv interfaces rau cov kev pabcuam ntau.
• Kev tswj hwm Interface & Cov xwm txheej xwm txheej yog Sevicators kom paub tias enganic tuaj yeem soj ntsuam txuas txuas txuas ntxiv thiab ua haujlwm.
• Lub hwj chim muab khoom tsim rau cov zog hluav taws xob tsawg, 24/7 kev ua haujlwm.

Ont xa cov yam ntxwv

Cov Ncauj Lus yog tsim los ua kev sib xyaw thiab lub zog-siv tau, ua rau lawv yooj yim rau mount hauv cov chaw nrug deb thiab ua kom txias. Lawv yooj yim tsim qauv txhais tau tias nrawm dua, thiab cov pab pawg ua kom ncaj qha tuaj yeem tsom rau ntsuas cov network dua li caum cov koog.

Tus khaubThaum yog qhov sib txawv ntawm OLT thiab ONT?​​​​​​​

• Txoj hauj lwm & kev pab them nqi

Lub khoos phis tawm kho qhov muag lub davhlau ya nyob twg (OLT) nyob hauv cov neeg muab kev pabcuam lub chaw pabcuam, kev tsheb khiav tawm thoob plaws ib lub tsheb fiber ntau. Ib OLT tuaj yeem txhawb ntau lub kaum-lossis txawm muaj ntau pua-ntawm cov av qis qis.

Nyob rau hauv sib piv, txhua tus ont zaum ntawm ib tus neeg siv lub tsev, chaw ua haujlwm, lossis thaj chaw tsev kawm ntawv. Nws tuav cov khoom siv txuas rau qhov chaw ntawd, yog li kev pab them nqi yog qhov kev xav tau-rau-taw tes, txiav rau kev nkag mus rau ib tus neeg.

• Lub Luag Haujlwm Ua Haujlwm

Lub OLT ua raws li lub koom haum teem sijhawm network, agoncaseam ntws, ua tau zoo ntawm cov cim hluav taws xob los ntawm qhov tseem ceeb rau kev xa tawm.

Lub caij no, cov ont ua raws li lub cim paib hauv zos, decapulating teeb liab, thiab muab cov paib hluav taws xob rov qab los ntawm cov khoom siv hluav taws xob, thiab muab cov khoom siv hloov chaw, WI-FI nkag mus rau cov ntsiab lus, lossis CATV thawv.

• Cov Ntawv Kho Vajtse Factor & Muaj Peev Xwm

OLTS feem ntau yog rack-mounted, nrog high-ntom pon corts (16, 32, {2}}}), redundant lub tshuab hluav taws xob, thiab muaj zog txias. Qhov chaw nres nkoj multure-multure-ua rau lawv zoo tagnrho rau telecom lossis loj-teev cov lag luam.

ONT yog kev cog lus, desktop-style cov khoom siv tau tsim los rau ib qho premise. Lawv feem ntau ua tau zoo ntawm cov ethernet portions ntxiv rau kev xaiv Wi-nkaus lossis CATV cuam tshuam rau kev nruab yooj yim rau cov chaw yooj yim hauv cov chaw sib dhos.

• Kev Tswj Xyuas Tsheb Tsheb & teeb liab tuav

Nyob rau sab network, lub olt colrally tswj ob sab ntws ntws los, faib lub sijhawm slots kom tau muaj feem ua ntej thiab tag nrho kev sib koom ua ke thoob plaws txhua qhov txuas nrog.

Ntawm ntug, cov ont tsom rau ib tus neeg siv kev hloov dua siab tshiab-nws "tau txais cov ntaub ntawv siv hluav taws xob" dhau ntawm cov ntaub ntawv uas tau tshaj tawm, ua kom txhua lub cuab yeej tau txais lub teeb hluav taws xob nws xav tau.

• Scalability & Cov Neeg Siv Txhawb

Scalability ntawm cov olt sab txhais tau tias ntxiv ntau daim pon phaib lossis txawm sib txuam nrog ntau tus txiv qaub kom nthuav koj cov hneev taw network. Nws tau tsim los loj hlob raws li koj tus neeg yuav khoom ua haujlwm lossis cortus loj nce.

Rau cov khoom siv, ntsuas cov txhais lus rau hauv cov kev xa tawm yooj yim ntawm cov chav tsev ntxiv - txhua lub tsev tshiab lossis tsev tau txais nws tus kheej itt. Kev them nyiaj yug zoo sib xws hauv zos: yog tias ib qho ONT muaj qhov teeb meem, nws tsis cuam tshuam rau tus so ntawm lub network, ua kev tu thiab daws teeb meem ncaj qha.

Yuav ua li cas olt thiab ont daws koj cov kev sib tw sab saum toj

Thaum koj nkag siab qhov sib txawv ntawm OLT thiab ONT, koj yuav fim sib txawv ntawm kev pab them nqi, teem sijhawm, thiab txhawb nqa koj lub hom phiaj. Ntawm no yog li cas txoj cai Pon teeb tsa tuaj yeem ntsib koj cov kev xav tau sib txawv:

• Telecom Cov Haujlwm & Cov Tsheb Hauv Nroog

Thaum koj qauj tawm ntawm lub nroog-thoob plaws lub nroog qhov chaw tsim kho kho qhov muag (Pon), ob lub hom phiaj loj tshaj yog qhov dav dav network cov kev pab them nqi network thiab pob zeb-khoom uptime. Xaiv lub kab nruab nrab kho qhov muag (OLT) nrog Modular Pon corts Redundant Powerfer cov khoom siv thiab thaub qab cov kev pab pab koj ua kom tiav txoj hlua khau, yog li koj cov kev pab hauv Is Taws Nem nyob hauv ib qho kev xav tau.

• Cov Khoom Tsim Vaj Tse & Cov Thawj Coj Cov Khoom

Hauv vaj tse vaj tse vaj tse, sijhawm sijhawm thiab pob nyiaj siv yog txhua yam. Compact Optical network terminals (OTS) piv txwv nruab nrog hauv cov chav tsev, cov chav ua haujlwm, lossis chaw ua haujlwm lossis chaw ua haujlwm los ntawm lub lis piam. Los ntawm kev ua kom haum rau cov olt ua pov thawj, koj kuj tau xauv hauv cov nqi kho vajtse cov khoom siv thiab zam cov nqi ua kom txaus siab thaum tsim-tawm. Ntxiv rau, cov yam ntxwv tsis siv neeg txhais tau tias koj pab neeg txij nkawm siv sijhawm tsawg dua ntawm kev sib txuas lus-thiab ntau lub sijhawm ua raws li cov neeg nyob hauv tsev neeg.

• Cov lag luam loj loj thiab tsev kawm ntawv nws pab pawg

Koj lub chaw kawm ntawv yuav tsum txhawb nqa txhua yam los ntawm kev ua haujlwm-tseem ceeb VoIP rau cov kev ua tau zoo ntawm pawg. Qhov ntawd txhais tau tias kev sib raug zoo yog qhov tseem ceeb: koj xav tau cov OLTS uas hais txog cov teeb meem hluav taws xob kom huv rau koj lub pob hluav taws xob kom huv. Lub tsev nyob rau hauv ntxiv pon ports thiab yav tom ntej-pov thawj nrog kev ceev nrawm optics cia koj ntxiv cov tsev lossis cov tsev tsis muaj ripping tawm cov khoom siv tawm.

• Lub Txheej Txheem Lag Luam

Congnators nyob thiab ua pa xaus-rau-kawg daws, tab sis Pon tuaj yeem ua kom ua ke mob taub hau thaum cov cuab yeej tswj tsis tau kab. Ib qho kev tswj hwm tswj cov qauv ntawm koj OLT, ua ke nrog cov khoom uas txhawb nqa SNMP lossis TR-069, hloov pauv kev ua haujlwm thiab daws teeb meem. Qhov uas sib xws thoob plaws ntawm cov khoom siv kho qhov muag tau txiav ntawm cov ntiv tes thiab nrawm lub sijhawm-rau-pab rau koj cov neeg siv khoom.

• Cov ntaub ntawv chaw ua haujlwm

Nyob rau hauv ib qho chaw ua haujlwm ib puag ncig, ua raws li, kev ntseeg siab, thiab cov tub ceev xwm rau kev sib cav sib ceg tsis yog sib ceg. Kev xa tawm cov olts high-density hauv koj lub chaw ua haujlwm loj heev ntawm cov fiber ntau ntawm cov kab ke muaj fiber ntau, thaum lub sij hawm ruggedized dests ua kom ntseeg tau tias tsis tshua muaj siab, txiav txim siab. Saib rau cov khoom siv uas tau ntawv pov thawj rau cov qauv kev lag luam thiab muab cov ntaub ntawv qos tswj hwm-yog li koj tuaj yeem lav tau yam tsis muaj qhov ntsuas phoo uas tsis muaj qhov ua rau koj daim nqi hneev taw lossis daim nqi ntsuas.

Yuav ua li cas xaiv Txoj Cai OLT & OTT kev sib xyaw

Thaum nws los txog rau tsim lub pob zeb-pob khoom siv kho qhov muag tshiab (Pon), xaiv txoj cai kho qhov muag lub davhlau ya nyob twg (OLT) thiab kho qhov muag Network yog ib nrab ntawm kev sib ntaus sib tua. Ntawm no yog daim ntawv txheeb ncaj qha los coj koj kev txiav txim siab:

• Yuav Tsum Tau Kev Ntsuas

Bandwidth xav tau: Kwv yees lub ncov hauv dej ntws hauv qab thiab nce qib ib lub site. Yog tias txhua qhov kev xav tau 2.5 Gbps lossis ntau dua, xav txog XGS-Pon-npaj Oolts thiab cov kav ntawm kev txhawb nqa 10 GBPS cuam tshuam.

Chaw nres nkoj ceev: Txheeb xyuas tus naj npawb ntawm Pon chaw nres nkoj ntawm koj OLT rau tag nrho Ott suav koj xav tias hnub no-thiab npaj rau tag kis. Ib 1:32 phua txhais tau ib qho chaw nres nkoj Pon tuaj yeem pab txog 32 tus neeg siv khoom kawg, tab sis koj yuav xaiv rau 1:16 kom ntseeg tau lub taub hau.

Nyiaj txiag: Kuaj cov peev nyiaj kho tshiab ntawm koj cov fiber ntau kho qhov muag cable sau. Ntev dua lossis ntau qhov kev sib tw noj rau hauv koj pob nyiaj siv, yog li xaiv transceivers thiab txuas nrog txaus tua lub zog thiab cov neeg tau txais kev paub zoo.

Yav tom ntej nthuav dav: Saib rau Modular OLT Chassis nrog cov slots ntxiv lossis kub-dawb-swappable pon phaib. Txoj kev ntawd, koj tuaj yeem ntxiv cov txuas ntxiv ntxiv ua koj tus neeg sau npe lossis ntaus ntawv suav ua rau loj hlob.

• Vendor Daim Ntawv Qhia & Ua Raws

Txheej Txheem Txhawb: Txheeb xyuas ITU-T (GPON-PON) thiab IEEE (EPON) muaj ntawv pov thawj los ua kom muaj kev sib cuam tshuam.

Cov Kev Cai Tswjfwm: Cov cuab yeej paub meej tias tau raws li cov cai hauv xov tooj hauv zos thiab cov kev nyab xeeb-tshwj xeeb tshaj yog hauv nroog lossis tsoomfwv cov phiaj xwm kev teeb tsa.

• Txij Nkawm & Kev Pabcuam

Warranty & Slas: Taw rau tsawg kawg yog peb-xyoo lav nrog hloov chaw hloov lub sijhawm.

Cov chaw taws teeb tswj: Ua kom cov OLT txoj kev tswj hwm kev tswj hwm thiab txhua qhov on

Firmware Epgrades: Nug txog firmware txhim kho cov cai thiab seb koj tus neeg muag khoom muab tshuaj, hauv kev hloov tshiab hauv teb kom ua QOS nta tam sim no.

Los ntawm kev ua raws li cov ntawv txheeb no, chaw nres nkoj suav, ntawv pov thawj hluav taws xob, thiab txhawb nqa koj lub hom phiaj kev ua haujlwm thiab cov peev txheej nyiaj txiag.

Tag

Txhawm rau qhwv li, kho qhov muag kab davhlau ya nyob twg (OLT) ua haujlwm ua qhov chaw ua haujlwm hauv nroog, thiab siv cov teeb tsa hluav taws xob, thiab hloov kho hluav taws xob rau hauv cov khoom siv hluav taws xob rau cov khoom siv hluav taws xob.

Tiv tauj peb hnub no los tham txog koj cov kev xav tau tshwj xeeb. Peb mam li muab cov tshuaj FTTX uas txuas ntxiv uas txuas nrog OLT thiab ONT, ua kev ua tau zoo, kev ntseeg tau, thiab koj rov qab los ntawm kev nqis peev.