Network cable yog qhov tseem ceeb rau kev siv Internet. Cov kab sib luag network yog muab faib ua peb yam: kab twisted cable, coaxial cable, thiab optical cable. Cov kab twisted cable muab faib rau hauv kev sib koom ua ke (UTP) thiab thaiv kev sib tsoo (STP). Cov kab txuas shielded yog muab faib ua ib qho Shielded network txuas thiab ob chav shielded network cable. Li ntawd, qhov txawv nruab nrab ntawm ib qho kev sib tiv thaiv kev sib txuas ntawm lub network thiab kab ob npaug kab thaiv network?
1. Yam Ntxim Saib Ntxim Ua
Lub shielding txheej ntawm ib qho shielded network cable muaj tsuas yog ib txheej ntawm cov ntawv txhuas ntawv ci.
Cov kab thaiv ob npaug kab thaiv network yog qhwv nrog ib txheej ntawm cov ntawv ci txhuas sab nraum cov khub uas twisted thiab muaj ib cov hlau khov hlau.
Tsuas muaj 4 leeg ntawm cov cab hlua hauv sab hauv cov hlua khib nyiab.
2. Nta
Ob chav shielded network cable muaj cov nram qab no zoo:
Shielded tsho loj, lub dav loj, kab laug sab loj
Hnyav hnyav, nyuaj rau nruab
Hlau ntawv ci (aluminium ntawv ci tawm tsam kev cuam tshuam cov teeb meem loj, hlau hlau kom tsis txhob muaj kev cuam tshuam tsawg zaus
Haum kev thaiv rau hauv qhov chaw tshwj xeeb
Pheej yig
Unshielded network cables muaj qhov zoo li hauv qab no:
Unshielded tsho nrog me me lub hwv chaw qhov chaw
Lub teeb yuag, yooj yim khoov, yooj yim rau nruab
Tsawg minus crosstalk los yog tshem tawm nws
Tig nplaim qab
Ywj siab thiab yoog rau kev teeb tsa ua tus qauv
3. Ua Ntawv Thov
Ob chav shielded cable yog tsim rau cov chaw hauv qab no:
Industrial thiab mining enterprises yuav tsum tau siv cov hlua thaiv kab thaiv
Thaum qhov kev sib txuas lus bandwidth ntau dua 500MHz, los yog thaum txhawb daim ntawv sau npe xws li 2.5G / 5G thiab 10GBASE-T
Qhov tshwj xeeb yuav tsum raug muab thaiv kom thaiv cov ntaub thaiv thaum nws tuaj yeem ua video sources thiab suab suab.
Cov ntaub thaiv npog yuav pom tau tias yog siv cov ntaub ntawv npog cia
Cov hlua thaiv kab thaiv yuav tsum tau siv thaum muaj qhov cuam tshuam kev nyab xeeb ntawm ib puag ncig
Qee lub subsystems nyob rau hauv lub zog qeeb hluav taws xob ntiav network tau xav txog kev tiv thaiv thaiv kab thaiv
Kab rov tav ntawm qhov chaw zov me nyuam yuav tsum xav txog kev tiv thaiv kab mob
Cov tsev kho mob yuav tsum siv cov thaiv kab thaiv nyob hauv qhov tseem ceeb
Unshielded cable yog tsim rau cov chaw hauv qab no:
sab hauv tsev
Chaw muaj zog lossis txhua qhov chaw uas muaj teebmeem teebmeem kev cuam tshuam
Cov xov tooj xaim hauv lub network cable yog nruj nreem nyob rau hauv lub tsheb npav sab nraud. Cov kev sib tw ntawm ob txoj kab sib txuas tau zoo heev kom txo tau cov pob zeb hauv tsev thiab txo cov kev cuam tshuam sab nrauv. Nyob rau hauv qhov chaw nruab nrab ntawm network, qaug zog electromagnetic cuam tshuam rau lub tshuab tsis sib thooj. Nws tsis cuam tshuam dab tsi. Cov hauv paus hauv cable yog qhov mob los ntawm ob lossis ob. Lub twist ntawm lub cable yog hais txog qhov ntev ntawm lub puab khub. Nws yog qhov ntev ntev, uas yog siv los qhia qhov ceev ntawm txhua khub. .
Txhua tus khub ntawm cov hlua khi hauv lub network cable yog nyob rau hauv ib qho chaw sib txeeb, thiab tw tw twv ntawm txhua khub txawv. Qhov kev sib hloov ntawm kev sib hloov no yeej hloov cov twj hluav taws xob hauv hluav taws xob thiab muaj peev xwm tiv taus qee cov hluav taws xob sab nrauv. Nws tuaj yeem siv los txo qhov teebmeem ntawm qhov teebmeem ntawm nws qhov teebmeem.
Thaum muaj kev cuam tshuam loj hauv qhov chaw nyob, nws yuav cuam tshuam qhov kev sib kis ntawm lub network, uas yuav cuam tshuam cov teeb meem kis kab mob. Thaum qhov chaw nyob muaj hluav taws xob muaj hluav taws xob los yog cov cuab yeej ntawm cov khoom siv suab, cov teeb liab network tsis ruaj tsis khov. Hauv qhov no, kab ob npaug kab thaiv network siv los tiv thaiv cov teeb liab ntawm qhov muaj zog cuam tshuam kom lub teeb liab kis tau los ntawm lub network qub.
Lus Ceebtoom Tshwj Xeeb: Tsis txhob siv cov ntaub thaiv shielded thaum nws tsis tsim nyog, vim qhov thaiv cov ntaub thaiv kab thaiv cov ntaub thaiv kab mob siab heev, tsis yog cov khoom siv hauv lub system xwb. Hauv kev siv, nws nyuaj rau hauv pem teb hauv av. Yog tias qhov av ua tsis zoo ntawm lub hauv paus grounding lossis lub hauv paus av peev xwm yuav ua tsis tau, cov suab hauv av yuav raug tsim, uas yog, qhov txawv txav yuav tsim los ntawm qee cov ntsiab lus ob ntawm txoj kev sib txuas lus, ua cuam tshuam ntawm cov hlau shielding txheej , yog li ntawd lub shielding txheej nws tus kheej ua lub loj tshaj plaws cuam qhov chaw. Cov kev ua tau tshwm sim los kuj tsis yog tias yuav zoo li cov neeg tsis muaj kev sib tw.