Yav dhau los, peb tau tsim lub zog tshaj Ethernet thev naus laus zis hauv peb cov keyboards tsuas yog nyob rau hauv kev coj ua kom muaj zog xa mus. Tab sis thaum lub sijhawm ua haujlwm ntawm kev daws teeb meem nrog PoE thiab PoE +, nws tau pom tseeb tias qhov no tsis txaus. Peb cov neeg tau ntsib tsis tau tsuas yog tsis muaj peev xwm siv nyiaj txiag xwb, tab sis kuj nrog cov txheej txheem kev txwv ntawm Ethernet tes hauj lwm - cov ntaub ntawv kis tau tus mob ntawm 100 m. Nyob rau hauv tsab xov xwm no peb yuav qhia koj yuav ua li cas kom tau txais ib ncig ntawm qhov kev txwv no thiab ntsuas qhov ntev ntawm PoE hauv xyaum.
Vim li cas peb thiaj xav tau PoE ntev siv tshuab?
Qhov deb ntawm ib puas meters yog ntau heev. Ntxiv mus, nyob rau hauv kev muaj tiag lub cable yeej tsis nteg nyob rau hauv ib tug ncaj kab: koj yuav tsum mus ncig tag nrho cov khoov ntawm lub tsev, sawv los yog poob los ntawm ib tug cable channel mus rau lwm tus, thiab hais txog. Txawm nyob hauv cov tsev nruab nrab, qhov kev txwv ntawm qhov ntev ntawm Ethernet ntu tuaj yeem ua rau mob taub hau rau tus thawj coj.
Peb tau txiav txim siab siv cov piv txwv ntawm lub tsev kawm ntawv kom pom tseeb tias cov cuab yeej twg yuav tuaj yeem tau txais hluav taws xob siv PoE thiab txuas rau lub network (cov hnub qub ntsuab), thiab qhov twg yuav tsis (cov hnub qub liab). Yog tias cov khoom siv network tsis tuaj yeem nruab nruab nrab ntawm cov rooj plaub, tom qab ntawd ntawm cov ntsiab lus siab, cov khoom siv yuav tsis tuaj yeem txuas tau:
Txhawm rau hla dhau qhov txwv tsis pub dhau, Long Range PoE thev naus laus zis tau siv: nws tso cai rau koj nthuav dav thaj tsam ntawm cov kab txuas txuas thiab txuas cov neeg siv khoom nyob ntawm qhov deb txog li 250 meters. Thaum siv Long Range PoE, cov ntaub ntawv thiab hluav taws xob raug xa mus rau ob txoj hauv kev:
- Yog hais tias lub interface ceev yog 10 Mbps (ib txwm Ethernet), ces ib txhij kis tau tus mob ntawm ob lub zog thiab cov ntaub ntawv yog ua tau nyob rau hauv segments mus txog 250 meters ntev.
- Yog hais tias lub interface ceev yog teem rau 100 Mbps (rau cov qauv TL-SL1218MP thiab TL-SG1218MPE) los yog 1 Gbps (rau qauv TL-SG1218MPE), ces tsis muaj cov ntaub ntawv hloov lwm lub tsev - tsuas yog lub zog hloov. Hauv qhov no, yuav tsum muaj lwm txoj hauv kev los xa cov ntaub ntawv, piv txwv li, ib kab sib txuas kho qhov muag. Long Range PoE nyob rau hauv rooj plaub no tsuas yog siv rau tej thaj chaw deb fais fab.
Yog li, thaum siv Long Range PoE nyob rau thaj tsam ntawm tib lub tsev kawm ntawv, cov khoom siv network uas txhawb nqa qhov nrawm ntawm 10 Mbps tuaj yeem nyob ntawm txhua qhov chaw.
Dab tsi hloov pauv uas txhawb Long Range PoE tuaj yeem ua tau
Qhov Ntev Ntev PoE muaj nuj nqi muaj nyob rau ntawm ob lub keyboards hauv TP-Txuas kab: ΠΈ .
TL-SL1218MP yog qhov hloov tsis tau. Nws muaj 16 qhov chaw nres nkoj, nws cov peev nyiaj PoE tag nrho yog 192 W, uas tso cai rau nws muab lub zog mus txog 30 W rau ib qhov chaw nres nkoj. Yog tias cov peev nyiaj siv hluav taws xob tsis dhau, tag nrho 16 Fast Ethernet ports tuaj yeem tau txais lub zog.
Kev teeb tsa yog ua los ntawm kev siv cov keyboards ntawm lub vaj huam sib luag pem hauv ntej: ib qho qhib qhov Long Range PoE hom, thiab qhov thib ob teeb tsa qhov tseem ceeb ntawm cov chaw nres nkoj thaum faib cov hloov pauv lub zog siv nyiaj.
TL-SG1218MPE belongs rau Easy Smart keyboards. Koj tuaj yeem tswj hwm lub cuab yeej ntawm lub vev xaib interface lossis cov khoom siv tshwj xeeb.
Hauv seem System interface, cov thawj coj tau nkag mus rau cov txheej txheem niaj hnub ua haujlwm: hloov tus ID nkag mus thiab lo lus zais rau tus thawj tswj hwm tus account, teeb tsa IP chaw nyob ntawm tus tswj module, hloov kho lub firmware, thiab lwm yam.
Chaw nres nkoj kev khiav hauj lwm hom yog teem nyob rau hauv lub Switching β Port Setting section. Siv cov tabs ntxiv ntawm ntu, koj tuaj yeem pab / lov tes taw IGMP thiab sib txuas lub cev sib cuam tshuam rau hauv pab pawg.
Tshooj Saib Xyuas muab cov ntaub ntawv txheeb xyuas txog kev ua haujlwm ntawm cov chaw hloov chaw. Koj tseem tuaj yeem tsom iav tsheb, pab lossis lov tes taw kev tiv thaiv lub voj voog, thiab khiav lub built-in cable tester.
TL-SG1218MPE hloov pauv txhawb ntau hom kev sib txuas hauv virtual: 802.1q tagging, chaw nres nkoj raws VLAN, thiab MTU VLAN. Thaum ua haujlwm hauv MTU VLAN hom, qhov hloov pauv tsuas yog tso cai sib pauv kev sib pauv ntawm cov neeg siv cov chaw nres nkoj thiab cov uplink interface, uas yog, kev sib pauv ntawm cov neeg siv cov chaw nres nkoj ncaj qha. Lub tshuab no tseem hu ua Asymmetric VLAN lossis Private VLAN. Nws yog siv los txhim kho kev ruaj ntseg network kom thaum lub cev txuas nrog qhov hloov, tus neeg tawm tsam yuav tsis tuaj yeem txeeb tswj cov khoom siv.
Hauv ntu QoS, koj tuaj yeem teeb tsa qhov tseem ceeb ntawm kev sib tshuam, teeb tsa cov neeg siv kev txwv ceev, thiab cuam tshuam nrog cua daj cua dub.
Hauv seem PoE Config, tus thawj tswj hwm tuaj yeem txwv lub zog siab tshaj plaws uas muaj rau cov neeg siv khoom tshwj xeeb, teeb tsa lub zog tseem ceeb ntawm kev sib txuas, txuas lossis txiav cov neeg siv khoom.
Kev Xeem Ntev
Ntawm TL-SL1218MP peb tau qhib kev txhawb nqa Long Range rau thawj yim qhov chaw nres nkoj. Peb lub xov tooj IP xeem tau ua tiav. Los ntawm kev teeb tsa hauv xov tooj, peb pom tias qhov kev pom zoo ceev yog 10 Mbps. Peb mam li muab qhov Long Range PoE hloov mus rau Off thiab tshawb xyuas qhov tshwm sim rau lub xov tooj kuaj tom qab ntawd. Cov cuab yeej booted ua tiav thiab tshaj tawm siv 100 Mbps hom ntawm nws lub network interface, tab sis cov ntaub ntawv tsis tau kis los ntawm cov channel thiab lub xov tooj tsis tau sau npe nrog chaw nres tsheb. Yog li, cov neeg siv khoom siv hluav taws xob txuas nrog ntev Ethernet channels tuaj yeem ua tau yam tsis ua rau Long Range PoE hom, tab sis qhov no tsuas yog lub zog yuav kis tau los ntawm cov channel, tsis yog cov ntaub ntawv.
Hauv cov qauv hluav taws xob dhau Ethernet hom (thaum ntu ntev tsis tshaj 100 meters), lub zog thiab cov ntaub ntawv hloov pauv tshwm sim ntawm qhov nrawm mus txog 1 Gbps suav nrog. Kev sim ua haujlwm ntawm lub xov tooj siv los ntawm PoE thiab txuas nrog lub cable ntawm qhov ntev tshaj plaws tau ua tiav.
Ntawm TL-SG1218MPE hloov peb hloov qhov chaw nres nkoj mus rau 10 Mbps Ib Nrab Duplex hom - cov cuab yeej txuas tau tiav.
Lawm, peb xav paub ntau npaum li cas lub zog ntawm lub xov tooj siv nrog qhov kev sib txuas no, nws tau pom tias nws tsuas yog 1,6 W.
C:>ping -t 192.168.1.10
Pinging 192.168.1.10 with 32 bytes of data:
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Reply from 192.168.1.10: bytes=32 time<1ms TTL=64
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 192.168.1.10:
Packets: Sent = 16, Received = 9, Lost = 7 (43% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
Control-C
Tab sis yog tias koj hloov qhov hloov pauv mus rau 100 Mbps Ib Nrab Duplex lossis 100 Mbps Full Duplex kev ua haujlwm hom, kev sib txuas nrog lub xov tooj tam sim ntawd ploj thiab tsis rov qab los.
Lub interface nws tus kheej yog nyob rau hauv lub xeev Link Down.
Yuav luag tib yam tshwm sim yog hais tias lub interface yog hloov mus rau tsis siv neeg ceev thiab duplex kev sib tham hom. Yog li ntawd, tib txoj hauv kev los siv cov ntu ntev Ethernet yog los tswj kev sib txuas ceev rau 10 Mbps.
Hmoov tsis zoo, xws li cov kab ntev ntev no tsis pom los ntawm cov khoom siv hauv cable tester.
Hloov kho lwm yam PoE keyboards
Txij li thaum tus naj npawb ntawm cov khoom siv los ntawm PoE tau nce tas li, peb tau hloov kho cov khoom siv hluav taws xob ntawm cov qauv qub. Tam sim no, tsis yog 110 W thiab 192 W cov khoom siv hluav taws xob, txhua tus qauv yuav muaj 150 W thiab 250 W units. Tag nrho cov kev hloov no tuaj yeem pom hauv lub rooj:
Raws li PoE thev naus laus zis pib nkag mus rau cov neeg siv khoom, lwm qhov kev hloov pauv hauv kab yog kev qhia txog cov keyboards tsim rau cov chaw ua haujlwm me thiab siv hauv tsev.
Hauv xyoo 2019, cov qauv tau tshwm sim hauv kab ntawm kev tswj tsis tau ceev Ethernet keyboards ΠΈ rau 5 thiab 8 ports. Cov peev nyiaj siv hluav taws xob ntawm cov qauv yog 58 W, thiab nws tuaj yeem faib tawm ntawm plaub qhov sib cuam tshuam (txog 15,4 W ib qhov chaw nres nkoj). Cov keyboards tsis muaj kiv cua; lawv tuaj yeem tso ncaj qha rau hauv chaw ua haujlwm thiab chaw ua haujlwm, chav tsev thiab siv los txuas txhua lub koob yees duab IP thiab IP xov tooj. Cov keyboards tuaj yeem ua qhov tseem ceeb ntawm kev faib hluav taws xob: thaum muaj ntau dhau, cov khoom siv uas muaj qhov tseem ceeb raug muab tua.
Qauv ΠΈ , zoo li SF qauv, yog tsim los rau kev teeb tsa desktop, tab sis lawv muaj qhov hloov gigabit built-in, uas tso cai rau koj los txuas cov khoom siv hluav taws xob ceev uas txhawb nqa 802.3af.
Hloov Nws tuaj yeem muab tso rau ntawm ib lub rooj thiab hauv ib lub khib. Cov qauv no muaj yim Gigabit Ethernet chaw nres nkoj, txhua qhov tuaj yeem txuas nrog tus neeg siv khoom nrog IEEE 802.3af / ntawm kev txhawb nqa thiab lub zog txog li 30 W. Tag nrho cov peev nyiaj siv hluav taws xob ntawm lub cuab yeej yog 126 W. Ib qho tshwj xeeb ntawm qhov hloov pauv yog tias nws txhawb nqa lub zog txuag hom, nyob rau hauv qhov hloov pauv ib ntus pings nws cov chaw nres nkoj thiab tua lub zog yog tias tsis muaj cov cuab yeej txuas nrog. Qhov no tso cai rau koj txo qis kev siv hluav taws xob los ntawm 75%.
Ntxiv rau TL-SG1218PE, TP-Txuas kab ntawm kev tswj cov keyboards suav nrog cov qauv ΠΈ . Lawv muaj tib lub zog tag nrho ntawm cov cuab yeej - 55 W. Cov peev nyiaj no tuaj yeem muab faib rau ntawm plaub qhov chaw nres nkoj nrog lub zog tso tawm txog li 15,4 W ib qhov chaw nres nkoj. Cov keyboards no muaj tib lub firmware raws li TL-SG1218PE, raws li, thiab cov haujlwm yog tib yam: kev saib xyuas lub network, kev ua haujlwm tseem ceeb, QoS, MTU VLAN.
Cov lus piav qhia tiav ntawm TP-Txuas PoE ntaus ntawv muaj nyob ntawm .
Tau qhov twg los: www.hab.com