Txhua fiber ntau-rau-- qhov project hauv tsev nyob lossis tuag los ntawm nws cov khoom siv kho qhov muag tsis pom kev. Cov khoom siv nquag - OLTs, ONTs, keyboards - tau txais kev saib xyuas feem ntau thaum lub sijhawm npaj, tab sis Optical Distribution Network (ODN) zaum nruab nrab ntawm lawv yog qhov teeb meem zoo, tus nqi tu, thiab ntev - lub sij hawm scalability tau txiav txim siab tiag tiag. Rau cov tswv lag luam hauv xov tooj thiab ISPs dov tawm GPON lossis XGS-PON networks, nkag siab txhua qhov kev cuam tshuam tsis zoo hauv ODN saw tsis yog xaiv tau - nws yog qhov sib txawv ntawm lub network uas khiav 25 xyoo thiab ib qho uas tsim teeb meem daim pib txij hnub ib.
Cov lus qhia no taug kev los ntawm 6 core passive fiber optic Cheebtsam uas ua rau kev xa tawm FTTH niaj hnub, piav qhia qhov twg txhua tus zaum hauv lub network, thiab qhia txog cov ntsiab lus tseem ceeb tshaj plaws thaum koj sau daim ntawv xaj yuav.
Yuav ua li cas ODN txuas txhua yam ua ke
Ib tug raug FTTH passive optical network ua raws li ib tug ncaj txoj kev: OLT ntawm lub hauv paus chaw ua hauj lwm xa cov teeb liab kho qhov muag los ntawm lub cev fiber ntau cables mus rau ib los yog ntau tshaj kev sib cais theem, uas faib cov teeb liab rau ib tug neeg rau npe. Nruab nrab ntawm OLT chaw nres nkoj thiab cov neeg siv khoom ONT, txhua qhov kev sib txuas, kev sib cais, thiab kev txiav tawm yog nyob ntawm cov khoom siv tsis zoo ua haujlwm hauv kev hais kwv txhiaj.
Xav txog ODN raws li cov saw hlau. Qhov txuas tsis muaj zog tshaj - qhov tsis zoo polishedfiber ntau optic connector, lub adapter tsis sib haum, los yog qhov tsis muaj qhov sib cais - txhais lub qab nthab ua haujlwm rau tag nrho lub network. Tias yog vim li cas kev txiav txim siab ntawm kev yuav khoom ntawm qib tivthaiv tau muaj kev cuam tshuam loj dua rau lub network- theem cov txiaj ntsig.
Fiber Optic Connectors: Lub hauv paus ntawm txhua qhov txuas
Cov khoom sib txuas yog cov khoom siv feem ntau siv hauv txhua lub network fiber ntau. Hauv FTTH,fiber ntau optic connectorstshwm sim ntawm OLT thaj vaj huam sib luag, sab hauv cov khoom faib khoom, ntawm qhov sib txuas sib txuas, thiab ntawm cov ntsiab lus ntawm cov neeg siv khoom. Tau txais hom connector txoj cai ntawm txhua qhov chaw tsis txhob rov ua haujlwm dua, txo qis qhov poob qis, thiab ua kom koj cov peev nyiaj kho qhov muag tsis zoo.
SC / APC connectorsnyob twj ywm tus qauv rau FTTH nkag network thoob ntiaj teb. Lub 8-degree angled polish xa rov qab poob zoo dua −60 dB, uas yog ib qho tseem ceeb rau PON cov tshuab uas muaj kev cuam tshuam zoo rau rov qab-reflection. Koj yuav pom SC/APC interfaces ntawm feem ntau PLC splitters, ODF vaj huam sib luag, thiab poob cable sib dhos tsim los rau lub xeem-mais xa mus.
LC connectorstswj hwm hauv siab - ib puag ncig ntom ntom xws li cov chaw ua haujlwm hauv nruab nrab thiab cov chaw khaws ntaub ntawv. Lawv 1.25 hli ferrule - ib nrab ntawm qhov loj ntawm SC - tso cai ntau qhov chaw nres nkoj rau ib chav tsev khib. Rau ISPs tswj ntau txhiab OLT chaw nres nkoj, LC-raws li patching ncaj qha txhais mus rau qhov chaw thiab txuag nqi.
MPO / MTP connectorstau dhau los ua qhov tseem ceeb rau lub cev cabling nruab nrab ntawm cov chaw ua haujlwm hauv nruab nrab thiab cov chaw faib khoom. Ib qho MPO connector nqa 12 lossis 24 fibers hloov ib pob khoom ntawm ib tus neeg thaj cords, ua kom nrawm nrawm thiab ua kom yooj yim rau kev tswj xyuas cable hauv siab - fiber ntau - suav txoj hauv kev.
Yuav qhia li cas:Ib txwm paub meej tias hom polish (APC vs. UPC), qhov poob (lub hom phiaj<0.2 dB), return loss (>50 dB for UPC, >60 dB rau APC), thiab cov khoom siv ferrule (zirconia ceramic yog cov qauv kev lag luam rau ib qho - hom kev siv).
Fiber Optic Adapters: Qhov ntsiag to Alignment Cav
Txhua zaus ob lub txuas sib ntsib hauv ODF, qhov sib txuas kaw, lossis lub thawv davhlau ya nyob twg,fiber ntau optic adaptertab tom ua txoj haujlwm tseem ceeb ntawm kev ua kom ob lub ferrules nrog micron -theem precision. Adapters feem ntau tsis saib xyuas thaum lub sijhawm yuav khoom, tab sis qhov qis - adapter zoo nrog lub tes tsho hnav tuaj yeem ntxiv 0.3-0.5 dB ntawm kev poob siab poob rau ib mating - txaus los thawb ib qho kev sib txuas tsis zoo ntawm spec.
Rau FTTH tej yaam num, SC / APC simplex adapters yog tus neeg ua haujlwm. Lawv txuas mus rau hauv cov khoom sib faib, cov thawv ntawv davhlau ya nyob twg, thiab cov khoom sib cais thoob plaws hauv ODN. Hauv cov chaw ua haujlwm hauv nruab nrab uas siv LC patching, LC duplex adapters muab qhov ceev uas xav tau rau siab -chaw nres nkoj- suav OLT chassis.
Hybrid adapters- xws li SC-rau-LC lossis FC-rau-SC - daws qhov mob tshwm sim thaum cov cuab yeej qub txeeg qub teg yuav tsum nyob nrog cov txheej txheem tshiab. Tsis yog hloov tag nrho cov khoom lag luam patch cord, hybrid adapter txuas qhov sib txawv ntawm tus nqi tsawg.
Yuav qhia li cas:Alignment lub tes tsho khoom (zirconia los yog bronze), ntxiv ntxig poob (<0.1 dB), mounting type (panel-mount, bulkhead, or snap-in), and durability rating (minimum 500 mating cycles for field-deployed adapters, 1000+ for central office use).
Fiber Optic Pigtails: Hoobkas Precision ntawm txhua qhov kev txiav tawm
A fiber ntau optic pigtailyog luv luv ntawm fiber ntau nrog lub Hoobkas- polished connector ntawm ib kawg thiab liab qab fiber ntau ntawm lwm yam. Hauv ib lub thawv ODF lossis lub thawv davhlau ya nyob twg, qhov kawg liab qab yog fusion spliced rau lub cev cable fiber ntau, thiab lub connector kawg ntsaws rau hauv lub adapter ntawm lub vaj huam sib luag pem hauv ntej. Qhov no yog li cas raw cables fibers ua patchable, tswj chaw nres nkoj.
Vim li cas ho tsis tsuas yog teb - txiav cov connectors ncaj qha mus rau lub cev fibers? Vim tias lub Hoobkas - tswj ferrule geometry - kawg - lub ntsej muag lub vojvoog, apex offset, fiber ntau protrusion - xa cov ntaub ntawv poob thiab rov qab cov lej poob uas yuav luag tsis tuaj yeem rov ua dua ib txwm nyob hauv thaj teb. Rau GPON tes hauj lwm ua hauj lwm ntawm nruj optical pob nyiaj siv tshaj 20 km sib cais, qhov sib xws tsis yog khoom kim heev. Nws yog qhov yuav tsum tau ua.
SC/APC pigtailsnyob rau hauv ib qho -mode OS2 fiber ntau yog qhov kev xaiv xaiv rau FTTH nkag mus rau hauv tes hauj lwm. Standard ntev ntev ntawm 1 m txog 1.5 m haum feem ntau ODF thiab lub thawv ntawv thawv.LC / UPC pigtailsmuaj ntau nyob rau hauv lub chaw ua hauj lwm ODFs uas LC-raws li OLT patching yog siv. Rau ntau-fiber trunk breakout,ribbon pigtails(6-fiber los yog 12-fiber) txo lub sij hawm splicing ho nyob rau hauv high-fiber-count deployments.
Yuav qhia li cas:Connector hom thiab polish, fiber ntau hom (OS2 ib leeg- hom rau zoo tag nrho FTTH), cov khoom siv lub tsho (LSZH yog qhov yuav tsum tau muaj nyob rau hauv feem ntau cov ntawv thov sab hauv), ntev, thiab xim coding kom paub yooj yim.
Fiber Optic Patch Cords: Kev sib txuas yooj yim
Qhov twg pigtails muab kev sib txuas mus tas li, sib txuas,fiber optic thaj cordsxa cov kev hloov pauv uas cov neeg ua haujlwm xav tau rau hnub-rau- hnub patching, kev npaj, thiab kev daws teeb meem. Patch qaum muaj lub Hoobkas- polished connectors ntawm ob kawg thiab ntsaws rau hauv adapters ntawm ob sab ntawm qhov txuas.
Hauv FTTH tes hauj lwm, thaj cords tshwm nyob rau hauv ob qhov chaw tseem ceeb. Ntawm lub chaw ua haujlwm hauv nruab nrab, lawv txuas OLT cov chaw nres nkoj rau ODF panels - feem ntau LC-rau-LC lossis LC-rau-SC teeb tsa. Ntawm qhov kawg ntawm cov neeg siv khoom, luv luv SC/APC-rau-SC/APC poob thaj qaum txuas lub thawv davhlau ya nyob twg mus rau ONT.
Rau cov neeg ua haujlwm siv siab -ceev 40G lossis 100G txuas hauv cov chaw ua haujlwm hauv nruab nrab,MPO lub tog raj kheej patch cordsthiabMPO- mus rau -LC breakout cablestau dhau los ua qauv. Cov - fiber ntau sib dhos no txuas siab -chaw nres nkoj- suav OLT kab phaib rau kev faib cov thav duab hauv ib lub cable khiav, txo qis congestion thiab ua kom yooj yim txav- ntxiv- hloov.
Yuav qhia li cas:Kev sib txuas ua ke, hom fiber ntau thiab qib, cable txoj kab uas hla (2.0 mm lossis 3.0 mm rau tus qauv, 0.9 mm rau siab -} ntom), lub tsho ntsuas (LSZH, OFNP, lossis armored rau cov kev raug), thiab kev nkag poob rau ib qhov txuas (<0.3 dB).
PLC Splitters: Lub plawv ntawm PON Architecture
Covfiber ntau optic PLC splitteryog arguably qhov tseem ceeb tshaj tawm tswv yim passive tivthaiv hauv FTTH network. Nws siv ib qho kev tawm tswv yim kho qhov muag los ntawm OLT thiab faib nws ntawm ntau tus neeg siv npe - feem ntau hauv qhov piv ntawm 1:8, 1:16, 1:32, lossis 1:64 rau GPON xa tawm.
Planar Lightwave Circuit (PLC) thev naus laus zis yog qhov zoo dua qub Fused Biconic Taper (FBT) tsim rau kev sib cais saum toj 1: 4 vim PLC splitters xa cov khoom zoo sib xws thoob plaws txhua qhov chaw tso zis thiab txhawb nqa tag nrho cov wavelength ntau yam (1260–1650 nm) xav tau los ntawm GPON, XGS-PON, thiab RF video overlay.
Splitter tso tawm tswv yim ncaj qha cuam tshuam rau koj lub network kev lag luam. Acentralized faibqauv (ib qho 1:32 lossis 1:64 ntawm qhov chaw ua haujlwm hauv nruab nrab) txo qis qhov chaw sib cais tab sis yuav tsum muaj fiber ntau hauv kev faib khoom. Acascaded sib caisqauv (1: 4 ntawm ib lub txee, tom qab ntawd 1: 8 ntawm lub thawv xa khoom) txo cov pob tw fiber ntau tab sis ntxiv cov splice thiab cov ntsiab lus txuas ntxiv. Cov neeg ua haujlwm feem ntau siv kev sib xyaw ua ke, ua kom zoo rau lawv cov neeg siv khoom tshwj xeeb thiab thaj chaw.
PLC splitters tuaj nyob rau hauv ntau daim ntawv yam - liab qab fiber ntau, mini steel raj, ABS lub thawv, LGX cassette, thiab khib-mount tais. Kev ntim khoom yog nyob ntawm qhov chaw sib cais. ABS box splitters haum zoo nyob rau hauv sab nraum zoov fiber faib terminals. LGX cassettes swb rau hauv tus qauv 19-nti khib thav ntawv ntawm lub hauv paus chaw ua haujlwm. Mini modules ua haujlwm zoo nyob rau hauv compact splice kaw raws txoj kev faib khoom.
Yuav qhia li cas:Split ratio, connector type (SC/APC is standard), ntim hom, kev khiav hauj lwm wavelength range, insertion poob rau ib qhov chaw nres nkoj (xyuas qhov siab tshaj plaws thiab uniformity), thiab kev khiav hauj lwm kub ntau yam (tshwj xeeb tshaj yog rau sab nraum zoov txee deployment).
Fiber Optic Terminal Boxes: Qhov kawg Meter
Covfiber optic davhlau ya nyob twg boxyog qhov chaw passive network ntsib tus neeg siv khoom. Mounted rau ntawm phab ntsa sab nrauv, sab hauv lub tsev txoj kev hauv tsev, los yog ntawm lub rooj - sab qhov hluav taws xob, lub thawv davhlau ya nyob twg muab kev tiv thaiv ib puag ncig rau qhov kawg splice thiab connector interface ntawm cov xaim xaim thiab cov neeg siv khoom txuas rau ONT.
Lub thawv zoo-tsim lub davhlau ya nyob twg koom ua ke fiber ntau routing channels uas tswj qhov tsawg kawg nkaus khoov vojvoog (feem ntau yog 30 hli rau cov qauv fiber ntau, 15 hli rau khoov- tsis pom kev), lub tais splice rau kev ruaj ntseg pigtail- rau -tej - kev sib txuas rau ib qho kev sib txuas, thiab fusions Muaj peev xwm nyob ntawm ib qho -chaw nres nkoj nyob hauv rosettes mus rau 24-chaw nres nkoj phab ntsa-mount enclosures rau ntau lub tsev nyob (MDUs).
Rau kev xa tawm sab nraum zoov, nrhiav IP65- ntsuas cov ntaub thaiv npog nrog cov vaj tsev tiv thaiv UV. Rau cov chaw nyob sab hauv tsev, cov thawv ntim cov thawv ntim nrog cov SC / APC adapters muab cov ntsiab lus huv, kev tshaj lij uas cov neeg siv khoom tuaj yeem nkag siab thiab hwm.
Yuav qhia li cas:Chaw nres nkoj suav, mounting style (phab ntsa-mount, rooj-mount, los yog DIN-rail), adapter hom pre-loaded, ingress tiv thaiv ntsuas, splice tais muaj peev xwm, thiab cable nkag configuration (sab saum toj, hauv qab, los yog sab).
Tsim kom muaj Smarter FTTH Bill of Materials
Qhov feem ntau yuam kev ntawm kev yuav khoom hauv FTTH cov haujlwm yog qhia txhua yam hauv kev sib cais. Connectors, adapters, pigtails, patch cords, splitters, thiab davhlau ya nyob twg lub thawv tsis yog kev yuav khoom ywj pheej - lawv tsim ib qho kev sib txuas kho qhov muag uas txhua qhov sib txuas yuav tsum muaj lub cev thiab kho qhov muag sib xws.
Ua ntej tshaj tawm kev txiav txim, daim ntawv qhia koj lub network tsim kawg - mus rau - kawg: OLT chaw nres nkoj → ODF (pigtails + adapters) → pob tw cable → splitter (connectors + ntim) → faib cable → davhlau ya nyob twg lub thawv (adapter + pigtail splice) → poob thaj qaum → ONT. Ntawm txhua lub ntawm, paub meej tias cov hom sib txuas sib phim, hom polish zoo ib yam (tsis txhob sib xyaw APC thiab UPC hauv tib qhov txuas), thiab koj qhov kev nkag nkag tsis tau nyob hauv cov peev nyiaj kho qhov muag.
Ua haujlwm nrog cov chaw tsim khoom uas muab tag nrho cov khoom ntawm FTTH passive Cheebtsam - los ntawmcov khoom sib txuasthiabadaptersrauPLC splittersthiabterminal thawv- txo qhov kev pheej hmoo ntawm cov teeb meem sib raug zoo, ua kom yooj yim rau kev thauj mus los, thiab feem ntau qhib tus nqi zoo dua los ntawm kev txiav txim sib sau. Nws kuj txhais tau hais tias ib qho kev sib cuag rau kev txhawb nqa kev lag luam thaum muaj teeb meem tshwm sim, tsis yog ntiv tes - taw tes ntawm tsib tus neeg muag khoom sib txawv.
Koj cov khoom siv passive yuav dhau mus ntau tiam neeg ntawm cov khoom siv nquag. Qhia kom meej lawv ua tib zoo, muab lawv los ntawm tus khub uas nkag siab txog ODN cov saw hlau ua tiav, thiab koj lub FTTH network yuav xa cov broadband txhim khu kev qha rau ntau xyoo tom ntej.
Evolux Fiber muab ntau yam ntawm FTTH passive optical Cheebtsam - suav nrogfiber ntau optic connectors, adapters, pigtails, patch kab, PLC splitters, thiabterminal thawv- ua haujlwm rau cov neeg siv xov tooj thiab ISP hauv ntau dua 50 lub teb chaws.Tiv tauj pebrau customized FTTH tivthaiv kev daws teeb meem thiab kev sib tw nqi project.
