Sau: Heming
Taw qhia: Vim li cas APC Tsis Hloov UPC raws li Kev Lag Luam Tus Qauv
CovAPC (Lub kaum ntse ntse txuas)tau pom tias muab tau zoo duarov poobtshaj qhovUPC (Ultra Polished Connector). Vim li cas tsis yog txhua qhov fiber ntau optic connectors ua nrog APC?
Covrov poob ntawm fiber ntau optic networkyog ib qho tseem ceeb tsis zoo-tshwj xeeb tshaj yog nyob rau hauv tes hauj lwm nrog cov teeb liab xav txog- qhov kev poob rov qab yog qhov tseem ceeb rau kev txiav txim siab qhov zoo ntawm kev sib kis, los yog ntau npaum li cas ntawm cov teeb liab optical rov qab mus rau qhov chaw, yog li muaj feem cuam tshuam qhov txuas.
IbAPC (Lub kaum ntse ntse txuas)muaj ib txwm rov poob ntawmsiab tshaj 60dB.
IbUPC (Ultra Polished Connector)muaj ib txwm rov poob ntawmsiab tshaj 50dB.
Nws yuav yog qhov xav tau, yog li ntawd, txij li APC muaj kev ua tau zoo dua li UPC; kev lag luam yuav tau txais APC connector raws li tus qauv. Qhov tseeb, txawm li cas los xij, yog tsis muaj ib qho laj thawj vim li cas APC tsis ua lag luam; Hloov chaw, kev xaiv ntawm APC piv rau UPC nyob ntawm ntau yam, suav nrogCov kev xav tau ntawm daim ntawv thov (tus nqi piv rau kev ua haujlwm), xav taucompatibility nrog cov cuab yeej uas twb muaj lawm (legacy systems), thiabkev xav txog kev ua haujlwm.
Kev xaiv ntawm cov khoom hauv fiber ntau optic engineering tsis yog tsuas yog nrhiav cov"zoo tshaj" feem; theej, nws yog xaiv cov"txoj cai" feemrau tag nrho fiber optic system.
Basic Technical Differences ntawm APC thiab UPC Connectors
Txhawm rau ua kom txaus siab ntxiv qhov sib txawv ntawm APC's thiab UPC's, ib qho yuav tsum xub nkag siab txog qhov sib txawv ntawm ob hom kev sib txuas:
IbUPC connectormuaj me ntsis convex ("curved") polished kawg-lub ntsej muag kom txo tau cov pa pa thiab Fresnel reflections; hos,
IbAPC connectormuaj ib8-degree angled polished kawg-ntsej muaguas directs rov qab lub teeb rau hauv lub cladding es tsis txhob rov qab mus rau qhov chaw laser.
Lub geometry tsim los ntawm lub kaum sab xis - kawg ntawm lubAPC connectortso cai rau kev xav rov qab qis heev, thiab yog li ua rau APC connectors tseem ceeb rau kev siv hauv cov tshuab kho qhov muag uas muaj kev cuam tshuam rau kev xav.
Daim ntawv thov Scenario txhais cov kev xav tau tiag tiag (Kev txiav txim siab tseem ceeb tshaj)
FTTH thiab PON Systems
Splitters hauv PON cheeb tsam ntawm aKev xa tawm FTTHua rau qhov tseem ceeb downstream teeb liab txo lub zog thiab tso cai rau ntau lub teeb liab ntws mus rau tib lub fiber ntau. Yog li ntawd, qhov tsawg tshaj plaws reflections tuaj yeem ua mob rau kev sib kis ntawm cov dej ntws, thaum tseem ntxiv suab nrov rau covOLT.
Qhov no txhais tau tias daim ntawv thov ntawm lubAPC connectortsis yog - sib tham tau thoob plaws hauv lub network nkag, los ntawm OLT chaw nres nkoj mus rauONU interface, raws li APC connector yuav khaws cov kev xav kom tsawg li tsawg tau.
CATV (Cable TV) Systems
Tsis tas li ntawd, vim lawv qhov xwm txheej,analog signalsmuaj ntau rhiab heev rau kev xav ntau dua li cov cim digital. Qhov zoo ntawm lub teeb liab analog yog degraded los ntawm kev taw qhia ntawm nonlinear distortion ntsiab tshwm sim los ntawm kev xav.
Yog li ntawd, qhov kev taw qhia ntawm cov ntsiab lus distortion hauv qab no yog qhov muaj nyob hauvCATV systems:
CSO (Composite Second Order)
CTB (Composite Third Beat)
Tag nrho cov kev puas tsuaj tau hais los saum toj no tshwm sim ntawm tus saib qhov kawg li:daus; dab dab; los yog duab distortion. Kev siv ntawmAPC connectorshauv cov kab ke no tsis yog - xaiv tau thiab yog li, qhov tseem ceeb.
Siab -Speed Coherent Optical Transmissions
Nrog rau kev qhia tsis ntev los no ntawm100G, 400G, thiab tshaj, coherent modulation formats xav tau cov teeb liab siab heev -rau - suab nrov piv. Backreflection tuaj yeem muaj cov txiaj ntsig ntawm kev cuam tshuam nrog lub laser qhov chaw thiab cov oscillator hauv zos ua rau muaj suab nrov ntau ntxiv thiab ua rau cov kab ke ua haujlwm tsis zoo.
Thaum txo qis cov khoom qub no,APC connectorstxuas ntxiv siv ntau zaus hauv cov xwm txheej uas yuav tsum tau xav txog qhov tseem ceeb thiab.
Qhov twg UPC Connectors yuav txaus
Reflection-Ib puag ncig kev kam rau siab - Data Centers
Feem ntau hauv covdata center ib puag ncig, qhov kev ncua deb ntawm fiber ntau txuas ntawm qhov hloov thiab cov servers yog luv; lub zog pob nyiaj siv ntawm cov ntaub ntawv chaw yog siab; thiab cov transceivers siv tau raug tsim los ua kom haum raws li kev xav.
Vim li no, kev ua haujlwm ntawmUPC connectorstau tshaj qhov yuav tsum tau ntawm cov ntaub ntawv chaw ib puag ncig. Xyaum, ntxiv rau cov nqi ntxiv thiab txo qis kev sib hloov ntawm koj cov khoom siv, APC tsim tsis muab cov txiaj ntsig ua haujlwm ntxiv.
Feem ntau cov chaw lag luam thiab tsev kawm ntawv ib puag ncig sivdigital{0}}cov ntaub ntawv kis tau tus mobqhov twg tsuas yog lub sij hawm uas xav txog (rov qab poob) yuav dhau los ua kev txhawj xeeb yog tias nws dhau ntawm tus neeg txais kev kaw - tawm ntau yam.
Vim li no, yog tias koj sivUPC connectors, uas muajntau dua -50 dB ntawm rov poob, koj yuav tsis tas txhawj txog kev rov qab poob ntau dhau ua rau koj cov ntaub ntawv lossis network infrastructure.
Raws li nrog rau kev qhuab qhia engineering, nws raug nquahu kom tshem tawm qhov tsis tsim nyog nyuaj ntawm txhua yam khoom. Yog li ntawd, thaum ntsuas koj cov kev xaiv kev sib txuas rau digital-cov ntaub ntawv xa mus, qhovUPC tsimyog ua raws li cov lus qhia no.
Mechanical Complexity vs. Manufacturing Nqis
Cov txheej txheem tsim khoom tsim nyog los tsimAPC connectorsyog ntev dua thiab nyuaj dua li cov uas siv los tsimUPC connectors, ua rau cov nqi tsim khoom nce ntxiv.
Txoj kev siv rau polishing kawg lub ntsej muag yog ntau yam ntxiv rau APC connectors dua li UPC connectors vim lub kaum sab xis ntawm lub ntsej muag kawg yuav tsum tau ib tug8-degree kaum.
Qhov kev tsis lees paub ntau dua los ntawm APC connector ntau lawm (ntau txoj haujlwm polishing nrog kev tswj nruj dua) ua rau cov khoom lag luam qis dua.
APC connector designs yog complex vim qhov yuav tsum tau muabkeyed interfaces thiab tiv thaiv - nta tsis phim.
Yog li ntawd, tag nrho cov teeb meem no ua rau APC connectors kim kim tshaj li UPC connectors. Ntawm qhov loj (piv txwv li, kev sib txuas cov ntaub ntawv chaw), qhov sib txawv ntawm tus nqi dhau los ua lub nra hnyav nyiaj txiag yam tsis muaj txiaj ntsig zoo raws li kev ua haujlwm - theem kev ua haujlwm.
Compatibility thiab Interoperability teeb meem
Sib tovAPC thiab UPC connectorstsis tso cai; qhov no yog ib qho ntawm cov ntsiab lus tseem ceeb tshaj plaws txog cov connector hom uas nquag plam lossis tsis quav ntsej.
IbAPC connector yuav tsum tsis txhob sib xyaw nrog UPC connector.
Yog tias APC Connector tau muab tso rau hauv UPC Connector, cov teeb meem hauv qab no yuav tshwm sim:
Qhov txawv ntawm huab cua
Tsis tshua muaj siab insertion poob
Cov kev xav tsis meej heev
Tej zaum yuav puas tsuaj rau lub ferrule kawg ntsej muag
Txhawm rau kom tsis txhob yuam kev tsis sib haum, txuas nrog ib qhoAngled Physical Connection (APC)sivntsuab vaj tse thiab txawv keying, hos cov nrog aUniform Physical Connection (UPC)feem ntau sivxiav.
Lub ecosystem nyob ib ncig ntawm UPC connector yog linear; tag nrho cov khoom siv network (Transceiver, Patch Vaj Huam Sib Luag, Jumper, thiab Test Equipment) yuav luag ib txwm tsim los ua haujlwm nrog UPC interface.
Thaum tsiv ib qho UPC uas twb muaj lawm -raws li kev tsim kho rau APC, koj yuav tsum tau hloov tawm ntau cov khoom nruab, uas yuav tsis tsuas yog them nyiaj xwb, tab sis nws kuj yuav tsis yog qhov kev siv dag zog tsim nyog hauv kev xav txog - kev ua siab ntev.
Kev ntxuav, tshuaj xyuas, thiab kev saib xyuas
Kev tu kom zoo thiab tshuaj xyuas yog tsim nyog rau txhua hom kev sib txuas; txawm li cas los xij,APC Connectorstau ntxiv cov kev sib tw hauv cheeb tsam ntawm kev tshuaj xyuas.
Ua ntej, lub kaum sab xis ntawm lub ntsej muag kawg ntawm APC Connector ua rau lub teeb tshuaj xyuas kom hloov mus deb ntawm lub tshuab tsom.
Qhov thib ob, yog tias tsis muaj cov cuab yeej tsim nyog thiab kev paub dhau los, nws yuav nyuaj dua los kuaj xyuas cov kab mob thiab khawb.
Qhov thib peb, cov kws tshaj lij hauv thaj chaw yuav tsum tau kawm kom raug txhawm rau txhawm rau tshuaj xyuas thiab txheeb xyuas qhov kawg ntawm APC Connector.
Cov txheej txheem tshuaj xyuas ntawm aUPC txuastuaj yeem kuaj pom pom tau yooj yim dua thiab yog li, yuav siv sijhawm tsawg dua los tswj thiab muaj sijhawm tsawg dua rau kev ua yuam kev hauv qhov chaw ua haujlwm siab - ntom ntom.
APC vs. UPC: Kev sib piv piv txwv
UPC Connectorsmuaj qhov kawg convex me ntsis -lub ntsej muag, yog li lawv rov qab los>50dB ib
APC Connectorsmuaj 8-degree angled kawg-lub ntsej muag nrog rov qab poob>60dB ib
UPC Connectors muabqee qhov kev thuam ntawm kev xav
APC Connectors muabtsis tshua muaj siab reflection suppression
Tej kev siv:
UPC Connectors: Data Centers, LANs, Enterprise Networks
APC Connectors: Fiber-To-Lub-Home (FTTH), Cable TV (CATV), Coherent Optics
Txhawm rau sib piv cov nqi,UPC Connectors pheej yig dua APC Connectors; txawm li cas los xij,UPC thiab APC tsis hloov pauvvim lawv tsis sib haum.
Engineering foundations: Kev ua tau zoo tshaj plaws vs. Kev xaiv zoo tshaj
Los ntawm Engineering foundations, lub sij hawm"Qhov zoo tshaj plaws Performance"tsis hais txog yam yuav raug hu"Qhov Zoo Tshaj Plaws".
Ib qho yuam kev hauv kev tsim cov fiber ntau optic tes hauj lwm yog xav tias qhov twg qhov siab tshaj -cov khoom ua tau zoo yuav tsum tau siv; txawm li cas los xij, qhov kev xav no tsimtshaj - engineering, inflated cost, thiab muaj kev pheej hmoo ua haujlwm ntxiv.
Qhov tseeb tias ob leegAPC thiab UPC Connectorstxuas ntxiv mus ua ke qhia tau tias muaj kev paub ntau dua Engineering lub tswv yim nyob ib puag ncig Duplex Connectors:
APC Connectorsyuav tsum tau siv qhov kev xav tau cuam tshuam rau kev ua haujlwm ntawm lub cev
UPC Connectorsyuav tsum tau siv qhov kev xav tsis cuam tshuam rau cov neeg siv kev paub thiab ua tau zoo thiab kev lag luam
Muaj kev sib raug zoo ntawm Engineering philosophy ntawm"Daim ntawv thov-Driven Design"nyob rau hauv cov nqe lus ntawmKev ntseeg tau, Tus nqi ua haujlwm tau zoo thiab ntev - Lub Sij Hawm Muaj Peev Xwm-Lub hom phiaj tseem ceeb ntawm kev tsim Optical Networks hnub no.
Qhov Kawg
APC Connectorskom meej meej outperformUPC Connectorsnyob rau hauv cov nqe lus ntawm rov qab poob; txawm li cas los xij,Optical Networks yuav tsum raug kho raws li Systems, tsis yog cov khoom ntiag tug.
Yog li ntawd, thaum txiav txim siab kev ua tau zoo, tag nrho cov kev ua tau zoo yuav tsum tau saib hauv cov ntsiab lus.
Yog tias qhov kev xav tau cuam tshuam qhov kev loj hlob ntawm cov teeb liab raug xa mus thoob plaws Connector, ces ib qhoAPC Connectoryuav tsum yog qhov kev xaiv.
Thaum cov kev xav tsis cuam tshuam qhov kev loj hlob ntawm cov teeb liab kis tau los ntawm ib qho Connector mus rau lwm qhov, ces siv ib qhoUPC txuasyuav tsum yog txoj kev xaiv raws liNqi, Practicability thiab Interoperability.
Yog vim li cas ob tus Qauv muaj qhov chaw hauv Kev Lag Luam yog vimsuab engineering txiav txim.
