Dab tsi yog network cabling
Nrog cov kev txhim kho tsis tu ncua ntawm cov khoom lag luam hauv network xws li cov servers thiab hloov chaw, txhawm rau txuag ntau qhov chaw, qhov loj ntawm cov khoom lag luam tau dhau los me dua thiab me dua, thiab cov xov tooj ntawm cov khoom lag luam tau tuav los ntawm cov ntaub ntawv chaw yog ntau thiab ntau dua. Yog li no, lub network generic cabling tshuab tuaj mus rau hauv nws tau.Nws muaj kev coj ua, yoog raws, kev nthuav dav thiab qhib siab. Nws tuaj yeem ua kom tau raws li qhov xav tau ntawm kev muaj peev xwm loj thiab kev kub ceev sab hauv kis ntawm cov ntaub ntawv, duab thiab multimedia, thiab tseem tuaj yeem txuas nrog kev sib txuas lus sab nraud, kom ua tiav cov yam ntxwv ntawm kev hloov pauv tau yooj yim, nthuav kom yooj yim, tswj tau yooj yim thiab yooj yim txij nkawm. Cov.
Cov cabling dav dav yog cov xov xwm qhia yooj yooj yim thiab yoog raws txoj hauv kev lossis nyob hauv cov tsev. Nws tsis tuaj yeem txuas lub suab nkaus xwb, cov ntaub ntawv, cov cuab yeej siv duab thiab hloov khoom siv nrog lwm cov ntaub ntawv kev tswj hwm, tab sis kuj txuas cov khoom siv no nrog sab nraud. Nws tseem suav nrog txhua tus xov tooj hluav taws xob thiab cov kab sib txuas ntawm qhov sib txuas ntawm qhov sib txuas ntawm qhov sib txuas sab nraud los yog kev sib txuas xov tooj ntawm lub tsev thiab cov ntawv thov cov cuab yeej. Cov tsheb ciav hlau dav dav muaj cov khoom sib txawv ntawm cov koob sib txawv thiab cov lus qhia tshwj xeeb, nrog rau cov xov xwm sib kis, cov khoom sib txuas uas muaj feem xyuam (xws li cov ncej txuas, txuas txuas, txuas ntsaws, txuas ntsaws, txuas) thiab cov khoom siv hluav taws xob tiv thaiv. Cov cheebtsam no tuaj yeem siv los tsim ntau txoj kab ke, uas muaj lawv lub hom phiaj tshwj xeeb. Lawv tsis yog yooj yim los siv, tab sis kuj tuaj yeem hloov kho kom zoo nrog kev hloov ntawm qhov yuav tsum tau ua. Lub tshuab hluav taws xob (cabling system) yog cov qauv qhib, uas tuaj yeem txhawb nqa xov tooj thiab ntau lub koos pij tawj cov ntaub ntawv xov xwm, nrog rau lub rooj sib tham hauv TV, kev saib xyuas TV thiab lwm lub.
Kev faib tawm:
Lub tshuab hluav taws xob cab hluav taws xob feem ntau tau muab faib ua 6 txoj kab ke: qhov chaw ua haujlwm thaj tsam; thaiv hluav taws xob (kab rov tav) cov kab ke; pob tw (ntsug) qhov hauv av; cov cuab yeej siv kho chav; kev tswj hwm hauv lub tshuab; lub tsev pab pawg kab ke; kho qhov muag cable kis kab ke
Kev xa xov fiber ntau
Thaum cov khoom siv kho vajtse ntawm cov hluav taws xob cabling dav dav siv cov txheej txheem kho qhov muag cable, cov khoom siv hauv chav tsev tuaj yeem raug siv los ua qhov chaw teeb tsa ntawm qhov tseem ceeb thauj khoom ntawm cov kho qhov muag cable. Lub pob hluav taws xob kho qhov muag txuas rau lwm cov plag tsev los ntawm qhov kev txiav nruab nrab thiab muab cov khoom ntshuam thiab xa tawm, thiab cov kab hluav taws xob tau muab faib rau tav toj hauv txhua pem teb los ntawm qhov kho qhov muag cable theem kev txuas.
Lub khoos phis hluav taws xob xa hluav taws xob yuav siv cov cuab yeej hluav taws xob kho qhov muag txuas cable, uas tuaj yeem txiav tawm nyob rau hauv cov kab ke cable kho qhov muag, thiab cov txuas ntawm taub hau txuas yuav tsum ua kom paub meej ntawm txhua qhov kev sib txuas tsis ntau dua 0.4db. Lub attenuation ntawm txhua qhov sib txuas ntawm qhov txuas nrog lub taub hau yas yuav tsum tsis txhob ntau dua 0.5dB. Lub tshuab hluav taws xob feem ntau yuav tsum tau siv cov kev hloov maj mam hloov ua kom zoo rau multimode optical cable nrog 62.5 μ m fiber ntau lub cheeb thiab 125 μ m fiber ntau rau txoj kab uas hla, nrog cov nominal wavelength ntawm 850nm lossis 1300nm; nws kuj tseem tuaj yeem saws cov tib-hom kho qhov muag cable nrog nominal wavelength ntawm 1310nm lossis 1550nm.
Xoob tes tsho hom lossis pob txha mos hom optical fiber bundle cable yuav tsum tau saws rau kho qhov muag kis kab hluav taws xob, thiab cov kab ntsig kho qhov txhab fiber ntau siv tau. Hauv qhov kho qhov muag cable kis, cov khoom siv kho vajtse ntawm cov txheej txheem optical cable txuas txuas tsis tas yuav txhawb nqa lub txuas, tab sis kuj ncaj qha txhawb nqa cov kab ke kho qhov muag cable thiab jumper cable. Lub thawv hluav taws xob optical cable dav dav yuav tsum tau siv rau qhov kev sib txuas ntawm ntau yam kho qhov muag hluav taws xob kom muaj kev sib txuas zoo thiab kev tiv thaiv zoo rau cov pob qij txha ntawm cov kab txuas kho qhov muag, cov hlua kho qhov muag lossis kab txuas hluav taws xob. Qhov kho qhov muag cable nkag tau los ntawm lub thawv them nqi kho qhov muag dav dav yuav tsum muaj peev xwm kom haum rau ntau lub tsev cov kab hluav taws xob nyob rau tib lub sijhawm.
Qhov zoo ntawm network cabling
Raws li cov qauv kev cai hauv tebchaws tam sim no thiab cov cai, qhov zoo ntawm qhov kev sib koom ua ke ntawm kev faib khoom yog feem ntau cuam tshuam rau hauv cov hauv qab no.
1. Cov qauv siv hluav taws xob tag nrho tau txais yuav, uas tuaj yeem ua tus txheej txheem kev sib koom ua ke rau txhua qhov system, thiab ua kom zoo dua qub kev nyab xeeb thiab nqi tsim nyog ntawm lub khoos phis tawj network dav dav cabling system.
2. Txoj kev hloov pauv thiab kev txhim kho ntawm cov cabling dav dav yog cov yam ntxwv tseem ceeb tshaj plaws, tuaj yeem ua tiav raws li qhov xav tau tshwj xeeb ntawm cov neeg siv sib txawv thiab txoj haujlwm sib txawv.
3. Nws ua tau zoo txo tus nqi ntawm cov xov hlau thiab qhov nyuaj ntawm kev saib xyuas tom qab, uas tsim nyog rau kev nce qib thiab daim ntawv thov.
Dab tsi yog hom kev faib tawm haujlwm hauv network dav dav cabling?
Kev faib khoom yog ib qho khoom nruab nrab rau kev txiav thiab txuas ntawm cov cab hluav taws xob lossis cov cab hluav taws xob. Nws tuaj yeem txhais tau tias yog cov khoom siv xa khoom haum rau jumper txuas thiab sib txuas. Kev faib khoom thav duab tau muab faib feem ntau raws li ob qhov hauv qab no:
1. Tooj liab faib ncej
Lub tooj liab cable faib thav duab feem ntau siv nyob rau hauv network generic cabling project yog tsuas yog twisted khub tis thav duab, namely RJ45 tus qauv khoom xaib. Tooj liab tooj tis kab hlau yuav muab faib ua 110 hom faib ncej thiab modular ceev ncej ncej (los ntawm hom tis ncej). 110 hom khoom faib ncej yog qhov tseem ceeb ntawm 110 kev tswj kev sib txuas system. Cov khoom siv theem pib ntawm 110 hom kev tswj hwm kev tswj hwm yog cov qauv faib, txuas kab txuas, jumper thiab daim ntawv lo. Modular vas nthiv faib thav duab, tseem hu ua txee (ncej) khoom faib ncej, yog ib hom ntawm modular thiab embedded tis thav duab, uas yog tus cwj pwm los ntawm cov khoom sib txuas tiv thaiv tau teeb tsa ntawm cov ntawv luam tawm Circuit Circuit (PWB) nyob tom qab tus ncej.
2. Optical fiber faib ncej
Nws muab faib ua optical fiber ntau module thiab tub rau khoom hom tis ncej. Optical fiber faib ncej yog feem ntau ua ke ntawm kev txheeb xyuas feem, kho qhov muag fiber txuas, kho qhov muag fiber kho cov khoom, fusion chav, thiab lwm yam, uas tuaj yeem pab txhawb kev dhia, kho thiab kev tiv thaiv ntawm optical fiber.
Ntxiv rau ob yam saum toj no, tus ncej faib khoom tseem tuaj yeem muab faib ua hom modular tis ncej thiab IDC hom kev faib khoom ncej los ntawm cov kab kev txiav txoj kab; cov phab ntsa mounted lossis cov txee rau cov chaw faib khoom tau faib los ntawm txoj haujlwm nruab; lub tsev faib ncej thiab pem teb faib ncej yog faib los ntawm qhov chaw; thiab cov tsoos kev faib khoom siv thiab thav duab hluav taws xob tau faib raws li kev tswj hwm hom.
Cov kev ua haujlwm ntawm kev faib tawm ncej hauv network dav dav cabling
1. Kev faib khoom thav duab tuaj yeem pab txhawb kev tswj hwm lub network, txhim kho kev tswj kom ua tau zoo thiab txo qhov tsis ua hauj lwm hauv network.
2. Kev faib khoom yog qhov tseem ceeb tshaj plaws hauv kev tswj hwm qhov kev tswj hwm ntawm cov kab hluav Nws yog lub hub kom paub qhov kev sib txuas ntawm cov kab ntsug thiab kab rov tav Cabling subystem, thiab nws yog tus choj nruab nrab ntawm lub network cable thiab cov khoom siv hauv network.
3. Lub cable tuaj yeem hloov pauv tau los ntawm thaj phaj.
4. Kev siv cov khoom faib tawm tuaj yeem ua rau thaj chaw ua haujlwm, khoom siv chav tsev thiab lwm qhov chaw ua kom huv thiab muaj txheej txheem, thiab zam kev cuam tshuam ntawm ntau yam cable. Tib lub sijhawm, cov cim kev ua haujlwm thiab kev sib txuas ua rau cov tswj hwm kev qhia kom pom tseeb ntawm kev saib xyuas thiab tswj, uas ua rau kev hloov ntawm network Circuit Court yooj yim dua thiab txo tus nqi zog.
Cov lus ntawm kev teeb tsa ntawm kev faib khoom ncej hauv network dav dav cabling
1. Qhov tseeb ntawm kev txuas sib txuas ntawm cov khoom faib tawm yog: Hloov - lub rooj sib faib (sab pem hauv ntej) - lub xaib (rov qab) - cov ntaub ntawv txuas - cov neeg siv computer. Ua ntej tshaj plaws, txuas cov xaim nruab nrab ntawm sab pem hauv ntej ntawm qhov hloov mus thiab tus ncej faib nrog cov hlau ntawm cov ncej faib.
Hauv EIA / 682, nws yog qhov yuav tsum tau siv tib qho qauv hauv EIA / EIA network.
3. Cov kab ke tswj hwm cable yog cov khoom siv ntawm cov khoom faib tawm, tab sis nws muaj peev xwm txo cov cable deformation, txhim kho kev ua haujlwm ruaj khov ntawm kev sib txuas network txuas, thiab zam kev ua txhaum network los ntawm cable looseness thiab deformation.
4. Raws li tag nrho cov naj npawb ntawm cov ntsiab lus network thiab cov xa tawm ntawm cov plag tsev, cov ncej faib yuav tsum teeb tsa. Thaum xam xyuas tus naj npawb, yuav tsum muaj npoo muaj kev hloov kho rau kev nthuav dav yav tom ntej ntawm lub network.
5. Hauv daim paib ntawm daim ntawv tshaj tawm cov thawv, cov txee rau tooj, tus ncej qhov chaw nres nkoj thiab lwm cov ntaub ntawv feem ntau cim. Yog li, hauv tib lub network tes haujlwm, txhua yam kev cai ntawm kev cai yuav tsum sib sau ua ke. Nws yog ib qho txiaj ntsig los txiav txim qhov chaw thiab ua haujlwm ntawm tis ncej thiab hloov los ntawm daim ntawv lo tom ntej siv thiab txij nkawm.
7. Tom qab qhov kev txiav tawm ntawm lub rooj xa tawm tau ua tiav, qhov ntev ntawm cov pov tseg network cable yuav tsum txiav txim siab raws li tus naj npawb ntawm cov kab ntawv faib tawm, qhov siab thiab qhov chaw ntawm lub txee, uas yuav tsum tsis txhob luv, thiaj li ua kom tias thaum lub network ceev cia rau yav tom ntej, thaum muaj teeb meem nrog qhov txiav tawm module, ntu kev ua haujlwm yuav raug txiav tawm thiab txoj kab hluav taws xob tuaj yeem nqa nyob ze rau kev txiav tawm tshiab.
8. Thaum faib thiab pab pawg sib koom tes sib koom tes sib txuas cable, thiab winding lawv ntsug mus rau hauv cov nplhaib, nws yog qhov tsim nyog los txiav txim siab qhov khoov ntawm lub nplhaib raws li tus txheej txheem xaim, thiaj li kom zam tau qhov khoov cuam tshuam rau hluav taws xob kev ua haujlwm.
HTF' s khoom yog customized, qhov zoo tshaj yog lav, thiab cov khoom siv tau ntshuam.
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