Cov Kev Cuam Tshuam thiab Cov Txuas Rau Hauv Fiber Optic Jumpers
Raws li cov txheej txheem txhim kho, Cov Txheej Txheem tshiab rau Cov Khoom Siv Khoos Phis Tawm los yog Mainframe network cabling tau tshwm sim. Qhov no yog qhov tseem ceeb hauv kev fwm nram qab no.
1) Hauv chav tsev neeg rau zaub mov, hloov cov kab txuas thiab kab txuas txuas tau mus txog tus qauv gigabit.
2) Siv fiber ntau ntawm cov iav fiber txuas rau hauv kev sib txuas, SC interface tau raug tshem tawm. SC-SC interface tsis siv ntxiv lawm. SC-LC interfaces tau siv nrog kev ceev faj hauv qee qhov kev hloov qub. LC interface yog siv feem ntau, thaum siv raws li daim npav network fiber ntau tau hloov, LC-LC fiber jumper yog siv dav.
3) UTP cable tau nres siv. Hauv kev hloov pauv fiber ntau-mus-nkag mus, siv txhua tus rau-dhia.
4) ST fiber ntau lub thawv rau kev siv, tab sis tsuas yog siv mus ntev ntev, thiab siv tau nrog cov sib xyaw fiber ntau.
Txawm hais tias ntau qhov ntau ntawm cov tswv tsev chav kab yog, qhov ntau nws yog qhov ruaj khov thiab yooj yim rau kev tswj hwm, tab sis rau kev sib txuam fiber ntau thiab cov fiber ntau cov khoom dhia, peb yuav tsum muaj qee qhov kev nkag siab.
Cov pa roj carbon fiber ntau txuas
FC: Round xov (qhov feem ntau dav siv los ntawm MDF)
ST: Snap-kab
SC: Snap-xwmfab (feem ntau siv rau ntawm cov hloov chaw routers)
PC: Micro-kheej kheej polishing
APC: 8 qib thiab micro-kheej kheej polishing
MT-RJ: Xwmfab, ib khub fiber ntau transceiver (siv ntawm Huawei 8850)
Fiber ntau optic modules (dav dav yog kub-hloov tau)
GBIC: Giga Bitrate Interface Hloov Pauv, siv cov khoom siv kho qhov muag ntawm SC lossis ST
SFP: Pob me me SFP GBIC, siv LC hom kho qhov muag
Optical fiber
Ib Leeg-Txheej: L, wavelength 1310; LH, singlemode ntev nrug, ntev ntev 1310,1550
Multimode: SM, Wavelength 850
Fiber ntau optic interfaces
Fiber optic interface yog lub cev sib txuas uas siv los txuas cov fiber ntau cable.
ST (AT & T Copyright), yog cov khoom siv sib txuas feem ntau hauv ntau hom network. Nws muaj cov tuav bayonet, thiab 2.5 hli ntev cylindrical ceramic lossis polymer ferrule kom muaj tag nrho cov fiber. ST qee zaum txhais tau tias "Stab & Twist", cov lus piav qhia meej heev ntawm thawj zaug ntxig thiab zawm.
FC yog cov khoom siv sib txuas feem ntau hauv lub network tib hom. Nws kuj siv 2.5 hli ferrule, tab sis ib feem ntawm FC txuas yog tsim rau cov ceramic nkag hauv daim npav stainless thaum ntxov. Tam sim no nyob rau hauv feem ntau cov ntawv thov, FC tau hloov nrog SC thiab LC txuas. FC yog qhov luv luv ntawm Ferrule Connector, qhia tias qhov cuab lub zog sab nraud yog ua los ntawm cov tes tsho hlau, thiab ua kom nrawm nrog lub ntsej muag.
SC kuj muaj lub taub hau 2.5 hli. Tsis zoo li ST / FC, nws yog cov cuab yeej siv tau, siv dav rau nws qhov kev ua haujlwm siab. Nws yog TIA-568-A tus qauv sib txuas, tab sis tsis tau dav siv vim tias thawj tus nqi yog kim (ob zaug nqi ntawm ST). SC qee zaum txhais tau tias "Square Connector", vim hais tias SC ib txwm zoo li xwmfab.
Ntau hom txuas ntxiv:
Cov las poom fiber ntau
Cov khoom siv fiber ntau yog qhov tseem ceeb heev uas hloov cov cuab yeej thiab cov txuas txuas nrog hauv kab. Yog tias tsis muaj lub tshuab hluav taws xob dhia tsim nyog, qhov kev pabcuam tsis kam ua haujlwm. Ntawm no yog cov ntsiab fiber ntau jumpers hom.
LC-LC: LC yog cov xov tso rau hauv SFP (mini GBIC) uas tau siv hauv cov kab routers.
FC-SC: FC kawg yog txuas nrog lub fiber ntau optic cabling racks, thiab SC kawg rau GBIC.
ST-FC: Rau 10Base-F kev sib txuas, hom txuas yog feem ntau ST, thiab lwm qhov kawg txuas nrog FC fiber optic cabling racks.
SC-SC: Ob qhov kawg txuas nrog GBIC.
SC-LC: Ib qho yog GBIC kawg, thiab lwm qhov yog SFP kawg.
Ntxiv:
Ntawm daim ntawv lo ntawm cov xov tooj sib txuas pigtail, peb tuaj yeem pom zoo li "FC / PC", "SC / PC" thiab lwm yam.
“/” Sab pem hauv ntej qhia cov txuas pigtail yam
"SC" qhov txuas yog qhov sib txawv square txuas, siv engineering plastics, siab kub, tsis yooj yim oxidized zoo. Cov khoom siv thauj khoom sidelight SC connector interface feem ntau siv.
"LC" cov khoom sib txuas muaj cov duab zoo sib xws nrog SC txuas, tab sis me dua tus SC txuas.
"FC" txuas yog lub txuas hlau, feem ntau siv nyob rau hauv ODF sab. Lub Pluggable lub sijhawm ntawm cov hlau txuas yog ntau tshaj li cov yas txuas.
Ntau ntau yam ntawm cov teeb liab txuas, ntxiv rau cov saum toj no piav peb, muaj MTRJ, ST, MU thiab li ntawd.
“/” Qhia pom tias cov hlua hluav taws xob fiber ntau txuas tom qab txoj haujlwm tiav, uas zom hom.
"PC" nyob rau hauv kev sib tham xov tooj rau cov cuab yeej siv tau dav siv, qhov kev sib koom ua ke sib tiaj.
"UPC" qhov piv ntawm "PC" kom tsawg, feem ntau siv rau cov khoom siv nrog cov kev xav tau tshwj xeeb, qee cov tuam txhab txawv teb chaws dhia fiber ntau ODF ntawm kev siv sab hauv yog FC / UPC, feem ntau txhawm rau txhim kho ODF ntaus khoom nws tus kheej ntsuas.
Ib qho ntxiv, "APC" qauv yog thov tshaj plaws hauv CATV kev tshaj tawm thaum ntxov. Nws siv cov pigtail taub hau sib dhos lub ntsej muag, uas tuaj yeem txhim kho qhov zoo ntawm lub teeb liab TV. Qhov laj thawj tseem ceeb yog tias TV teeb liab yog cov qauv siv hluav taws xob (analog optical modulation), thiab thaum sib koom ua ke lub dav hlau kab rov tav yog ntsug, cov teeb pom kev zoo rov qab raws txoj kev qub. Vim tias muaj fiber ntau yuav ua dua ib zaug rov mus rau qhov tsis sib luag ntawm txoj kev txuas ntawm qhov txuas, txawm tias lub zog yog tsawg heev nyob rau lub sijhawm no tab sis vim yog cov teeb liab analog tsis tag yuav tshem tawm lub suab nrov, yog li qhov tseeb sib luag hauv lub teeb liab qub superimposed ntawm lub zog lub teeb liab nrog kev ncua sijhawm, qhov kev ntsuas ntawm lub vijtsam yog dab. Pigtail headband qhia tau teeb pom kev zoo tsis tuaj yeem rov qab mus raws li txoj kev qub. Cov teeb liab digital feem ntau tsis muaj qhov teeb meem no.
"SC" sawv cev tias tus qauv pigtail txuas yog SC txuas. Cov khoom siv txau khoom xa tawm kev lag luam sidelight cuam tshuam dav siv SC txuas. SC cov khoom sib txuas yog tshuab hluav taws xob nrog qhov ntsuas kub zoo, thiab tsis yooj yim oxidized; ODF sab optical interfaces feem ntau siv FC txuas. FC yog lub txuas hlau. ODF tsis muaj teeb meem kub, thiab tib lub sijhawm Pluggable lub sijhawm ntawm cov hlau txuas rau ntau dua yas. Kev saib xyuas ntawm ODF pigtail yog ntau tshaj qhov fiber ntau optic pigtail.