Fluke Copper Cable Test: Hom, Txheej Txheem & Cov txiaj ntsig

Copper cabling yog cov caj qaum ntawm feem ntau cov kab hluav taws xob. Txawm hais tias nws ua tau raws li qhov xav tau yog nyob ntawm ua tau raws li TIA / ISO cov qauv kev sib kis. CovFluke xeemyog kev lag luam- qauv txheej txheem los xyuas qhov no. Cov lus qhia no suav nrog qhov kev xeem Fluke yog dab tsi, peb hom kev xeem tseem ceeb, thiab yuav ua li cas nyeem cov ntawv xeem.

Dab tsi yog Fluke Test rau Copper Cable?

Kev xeem Fluke yog ib qho kev ntsuas kev ua tau zoo ntawm cov tooj liab twisted -pair cabling sivFluke network test khoomxws li DSX CableAnalyzer series. Tus tester xa cov teeb liab los ntawm cable thiab ntsuas cov hluav taws xob tseem ceeb xws li teeb liab poob, crosstalk, rov poob, thiab xaim daim ntawv qhia.

Txhua qhov txuas txuas tau txais qhov kev txiav txim "Pass" lossis "Fail" tawm tsam TIA lossis ISO tus qauv rau cov kab hluav taws xob uas raug kuaj (Cat5e, Cat6, Cat6A, thiab lwm yam). Tag nrho cov ntaub ntawv xeem raug kaw thiab tuaj yeem xa tawm raws li daim ntawv tshaj tawm kev xeem dhau los ntawm Fluke's LinkWare software rau cov ntaub ntawv, kev tshuaj xyuas ua raws, thiab kev siv yav tom ntej.

Vim li cas Fluke Test Matters

Muaj peb qhov laj thawj ua tau zootooj liab hlau kuajnrog Fluke analyzer.

Ua raws

TIA thiab ISO cov qauv qhia txog kev ua haujlwm tshwj xeeb rau txhua hom cable. Rau kev teeb tsa kev lag luam, muab cov txiaj ntsig kev xeem ntawv pov thawj feem ntau yog daim ntawv cog lus lossis kev tswj hwm yuav tsum tau ua thaum lub sijhawm ua haujlwm. Tsis muaj ntaub ntawv los ntawm aFluke ntawv pov thawj tester, kev teeb tsa tsis tuaj yeem raug lees paub raws li cov qauv- ua raws.

Kev tiv thaiv kev pheej hmoo

Ib lub cable uas zoo nkaus li zoo rau sab nraud tseem tuaj yeem muaj teeb meem zais - kev txiav tsis zoo, ntau dhau untwisting ntawmcov khoom sib txuas, los yog substandard conductor khoom. Cov teeb meem no ua rau cov pob ntawv tsis sib xws, cov khoom siv tsawg, thiab PoE undervoltage, tag nrho cov uas nyuaj rau kev kuaj mob tom qab xa mus. Ib tug meejkab xeemnrog Fluke analyzer ntes cov teeb meem no ua ntej lub network mus nyob. Nws kuj yog ib txoj hauv kev txhim khu kev qha tshaj plaws los txheeb xyuas cov tooj liab clad aluminium (CCA) cables, uas nquag ua haujlwm tsis kam thiab kev ntsuas crosstalk vim tsis zoo conductivity.

Nqi

Nrhiav thiab kho lub faulty cable khiav thaum lub sij hawm installation yuav siv sij hawm feeb. Nrhiav tib qhov teeb meem tom qab lub qab nthab raug kaw thiab cov khoom siv ntau lawm txuas nrog yuav siv sij hawm ntau teev lossis txawm hnub - ntxiv rau cov nqi poob qis. Kev nqis peev uas tsim nyogtooj liab cable kuaj khoomupfront yog deb dua pheej yig dua li kev daws teeb meem tom qab qhov tseeb.

Fluke Test Hom

Fluke cable testerstxhawb peb qhov kev sim teeb tsa. Txhua qhov ntsuas qhov sib txawv ntawm qhov txuas cable thiab siv qhov sib txawv ntawm qhov kev ua haujlwm. Xaiv hom kev xeem yog nyob ntawm seb qhov twg ntawm lub network koj yuav tsum tau txheeb xyuas.

Patch Cord Test

Patch cord kuaj xyuas qhov ua tau zoo ntawm ib tus neeg thaj cables. Vim tias cov kab hluav taws xob luv luv yuav tsum ua kom paub cov teeb liab tsawg tsawg, qhov dhau / tsis ua tiav yog qhov nruj tshaj plaws ntawm peb hom kev xeem. Qhov kev sim no feem ntau yog siv rau hauv cov chaw khaws ntaub ntawv kom siv tau cov kab hluav taws xob sib txuas ntawm cov khoom siv ntawm cov racks uas nyob ib sab. Ib qho cable ntev dua 10 meters yuav tsum tsis txhob sim uapatch kab- nws yuav tsum tau sim rau cov kev qhia tshwj xeeb ntawm cov channel.

Kev Ntsuam Xyuas Txuas Txuas Txuas Mus Ib Txhis

Kev ntsuas qhov txuas mus tas li ntsuas cov txheej txheem ruaj khov: kab rov tav kab khiav los ntawm thaj vaj huam sib luag mus rau phab ntsa qhov hluav taws xob, suav nrog cov kev sib txuas nruab nrab xws li cov ntsiab lus sib sau. Nws tsis suav nrog cov khoom siv hloov tau yooj yim ntawm txhua qhov kawg. Qhov no yog qhov kev sim installers ua thaum lub sij hawm tsim kho tshiab los yog cable cog hloov kho kom pom tseeb tias cov cabling ntsia tau raws li cov qauv ua ntej cov khoom siv txuas nrog. Qhov txuas mus tas li adapter ntawm Fluke tester them nyiaj rau cov khoom siv ntsuas kab kom lawv tsis cuam tshuam rau kev ntsuas. Nws yog ib qho tseem ceeb uas yuav tsum tau siv qhov tseeb txuas txuas txuas txuas txuas txuas ntxiv - siv lub channel adapter rau qhov kev xeem txuas mus tas li yuav ua rau cov txiaj ntsig tsis raug.

Kev Xeem Channel

Kev ntsuam xyuas channel ntsuas tag nrho cov teeb liab txoj hauv kev los ntawm lub cuab yeej mus rau lub cuab yeej, suav nrog txhua qhov txuas txuas, hla - txuas, thiab txuas mus tas li nyob nruab nrab ntawm. Nws muaj kev cuam tshuam tiag tiag -lub ntiaj teb kev ua haujlwm. Vim hais tias cov channel suav nrog kev sib txuas ntau dua thiab ntev cable ntev, qhov kev ua haujlwm tau zoo dua qub dua li kev kuaj kab hluav taws xob. Ib lub cable uas dhau qhov kev xeem channel yuav tsis tas yuav dhau qhov kev kuaj kab hluav taws xob. Kev ntsuam xyuas channel feem ntau yog siv rau qhov system- siv tau dav dav, kev daws teeb meem, thiab txheeb xyuas qhov ua tau zoo tom qab hloov kho lub network.

Yuav Ua Li Cas Nyeem Daim Ntawv Qhia Fluke Test

A Fluke network testtsab ntawv ceeb toom qhia tag nrho Pass lossis Fail tshwm sim rau qhov txuas, nrog rau cov txiaj ntsig ntawm tus kheej rau txhua qhov ntsuas ntsuas. Daim ntawv hla nrog lub hnub qub (*) qhia txog cov kab hluav taws xob ntsuas qhov tseeb (PASS*), txhais tau tias qhov tshwm sim yog marginal - tus nqi ntsuas tau ze rau qhov txwv.

Hlau Daim Ntawv Qhia

Qhia tus pin-rau-pin kev sib txuas ntawm cable. Nws txheeb xyuas qhov qhib, luv, hla tus khub, thiab sib cais ua khub. Daim ntawv qhia xaim tsis ua haujlwm yuav luag ib txwm taw qhia rau qhov kev txiav txim yuam kev - lub cable raug punched los yog crimped tsis raug. Qhov no feem ntau yog qhov tsis ua haujlwm yooj yim tshaj plaws los kho: rov- xaus qhov cuam tshuam kawg.

Insertion Loss

Ntsuas ntau npaum li cas lub teeb liab lub zog poob thaum lub teeb liab tawm ntawm ib kawg ntawm lub cable mus rau lwm qhov, qhia hauv dB. Ntau zaus cov cim qhia tau poob ntau dua. Insertion poob tsis ua hauj lwm feem ntau qhia tau hais tias lub cable khiav ntev dhau lawm, lub cable tsis zoo, los yog cov khoom siv conductor yog substandard. Yog hais tias lub cable ntev nyob rau hauv specification thiab insertion poob tseem ua tsis tau, xav tias lub cable nws tus kheej.

Tom ntej (Nyob ze -End Crosstalk)

Ntsuas cov teeb liab cuam tshuam ntawm cov khub hlau ntawm qhov kawg xa tawm. Qhov no yog qhov teeb meem ntawm ib khub xau mus rau hauv ib khub uas nyob ib sab. Tom ntej no kev ua tsis tiav yog feem ntau tshwm sim los ntawm kev ua haujlwm tsis zoo ntawm kev txiav tawm - tshwj xeeb, ntau dhau untwisting ntawm khub ntawm lub connector lossis thaj vaj huam sib luag. Tus nqi twist nyob rau hauv txhua khub yog engineered kom tshem tawm crosstalk; tshem tawm ntau twist tshaj qhov tsim nyog degrades qhov kev ua tau zoo. Re- xaus nrog tsawg kawg nkaus untwist yog tus qauv kho.

PS NEXT (Power Sum NEXT)

Xam cov nyhuv crosstalk ua ke los ntawm tag nrho lwm cov khub mus rau ib khub ntawm qhov kawg. Nws muab cov duab tiag tiag ntawm crosstalk thaum tag nrho plaub khub ua haujlwm ib txhij, zoo li muaj nyob hauv 10GBASE-T thiab PoE daim ntawv thov.

ACR-N (Attenuation to Crosstalk Ratio, Ze -End)

ACR-N yog qhov sib txawv ntawm NEXT thiab qhov poob. Nws sawv cev muaj zog npaum li cas qhov teeb liab tau txais yog piv rau ze - lub suab nrov crosstalk kawg. ACR siab dua-N tus nqi txhais tau hais tias zoo dua cov teeb liab-rau- suab nrov ua haujlwm. Qhov parameter no feem ntau ua tsis tau ntawm ntau zaus ua ntej.

PS ACR-N (Power Sum ACR-N)

Lub hwj chim sum version ntawm ACR-N, accounting rau crosstalk contributions los ntawm tag nrho cov khub. Nws yog qhov kev ntsuas xav tau ntau dua thiab tshwj xeeb tshaj yog rau cov ntawv thov uas xa mus rau tag nrho plaub khub.

ACR-F (Attenuation to Crosstalk Ratio, Far{1}}End)

Zoo ib yam li ACR-N tab sis ntsuas ntawm qhov kawg ntawm kab. Nws ntsuam xyuas qhov sib piv ntawm deb-kawg crosstalk (FEXT) rau qhov poob ntawm cov khub cuam tshuam. ACR-F yog qhov tseem ceeb tshaj plaws nyob rau hauv tag nrho -duplex kis scenarios.

PS ACR-F (Power Sum ACR-F)

Qhov sib xyaw ua ke deb-kawg crosstalk piv los ntawm txhua tus khub. Zoo li PS ACR-N, nws cuam tshuam qhov phem tshaj- rooj plaub thaum txhua tus khub nqa cov teeb liab ib txhij.

RL (Rov Los Loss)

Ntsuas ntau npaum li cas lub teeb liab lub zog yog rov qab mus rau lub transmitter vim impedance mismatches raws cable. Cov laj thawj feem ntau ntawm kev rov qab tsis ua haujlwm suav nrog cov neeg tsis zoo- cov khoom sib txuas tsis zoo, kinked lossis bent ntau dhau, thiab kev tsis sib haum xeeb hauv kev tsim kho cable. Yog tias rov qab poob tsis tiav, tshawb xyuas cov kab hluav taws xob rau kev khoov ntse thiab tshuaj xyuas cov khoom txuas ntawm ob qho kawg.

Resistance thiab Resistance Unbalance

DC lub voj tsis kam ntsuas tag nrho cov tsis kam ntawm txhua tus khub hlau. Resistance unbalance qhia seb ib tug neeg xyuas pib hauv ib khub muaj qhov sib txawv heev dua li lwm tus. Ob qhov kev ntsuas yog qhov tseem ceeb rau cov ntawv thov PoE - kev tiv thaiv ntau dhau ua rau qhov hluav taws xob poob, thiab qhov kev tiv thaiv tsis sib npaug tuaj yeem ua rau cov khoom siv sib txuas puas. Kev tsis sib haum xeeb tsis ua haujlwm thoob plaws ntau khub yog qhov taw qhia muaj zog ntawm cov khoom siv tsis zoo, xws li tooj liab clad aluminium (CCA) es tsis yog tooj liab.

DIMI Summary

Kev xeem Fluke yog tus qauv qauv rau kev txheeb xyuas cov kev ua haujlwm ntawm tooj liab tiv thaiv TIA thiab ISO cov cai. Atooj liab cable certifierzoo li Fluke DSX series txhawb peb hom kev sim - thaj qaum, txuas mus tas li, thiab channel - txhua qhov ua haujlwm sib txawv nyob ntawm seb qhov twg ntawm cov kab hluav taws xob koj xav tau los txheeb xyuas. Kev nkag siab txog cov ntaub ntawv tseem ceeb tsis pab koj txheeb xyuas tsis yog seb lub cable ua tsis tiav, tab sis vim li cas nws ua tsis tiav thiab qhov twg yuav pib daws teeb meem. Kev sim thaum lub sijhawm teeb tsa es tsis yog tom qab xa tawm yuav txuag lub sijhawm, txo kev pheej hmoo, thiab ua kom lub network infrastructure ua tau raws li qhov xav tau.