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PoE-kytkimet

PoE-kytkimet (Power over Ethernet) mahdollistavat langallisten verkkolaitteiden virransyötön samalla kaapelilla, jota käytetään verkkoliikenteeseen. PoE-kytkimet sopivat esimerkiksi valvontakameroiden, IP-puhelinten, IoT-laitteiden ja langattomien tukiasemien liittämiseen.

Suosituimpia tuotealueita

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Tesksti:"Pidetyin, monipuolisin ja laadukkain valikoima". Vieressä kuva hampurilais menusta (kolme viivaa päällekkäin) ja hiiren kursorista.

PoE-kytkimet verkkolaitteiden virransyöttöön

PoE-kytkin eli Power over Ethernet -kytkin yhdistää verkkoliikenteen hallinnan ja laitteiden virransyötön yhdeksi kokonaisuudeksi. Kun sekä data että sähkö kulkevat samaa ethernet-kaapelia pitkin, erilliset virtajohdot jäävät tarpeettomiksi. Tämä yksinkertaistaa asennusta erityisesti tiloissa, joissa pistorasioita on rajoitetusti tai kaapelointi halutaan pitää siistinä ja hallittuna.

PoE-kytkimiä käytetään tyypillisesti IP-valvontakameroiden, langattomien tukiasemien, VoIP-puhelimien ja muiden verkkoon kytkettävien laitteiden virransyöttöön. Yhdellä kytkimellä voidaan hallita useita laitteita samanaikaisesti, mikä tekee ratkaisusta joustavan niin pieniin toimistoihin kuin laajempiin verkkoympäristöihin.

PoE-standardit ja teho

PoE-kytkimiä on saatavilla eri standardeilla, jotka määrittävät yksittäiselle portille tarjottavan maksimitehon.

IEEE 802.3af tarjoaa enintään 15,4 W porttia kohden perustarpeisiin

IEEE 802.3at (PoE+) nostaa tehon 30 W:iin porttia kohden

IEEE 802.3bt (PoE++) mahdollistaa jopa 60–90 W:n tehon porttia kohden vaativammille laitteille

Kytkimen kokonaisbudjetti eli niin sanottu PoE-budjetti kertoo, kuinka paljon tehoa kytkin pystyy jakamaan kaikkien porttien kesken yhteensä. Tämä on tärkeä tekijä, kun suunnitellaan useamman PoE-laitteen samanaikaista käyttöä.

Hallittavat ja hallitsemattomat PoE-kytkimet

PoE-kytkimet jaetaan hallittaviin ja hallitsemattomiin malleihin. Hallitsemattomat kytkimet ovat suoraviivainen ratkaisu pienempiin verkkoihin: ne toimivat heti kytkettäessä ilman erillisiä konfigurointitoimenpiteitä. Hallittavat kytkimet puolestaan tarjoavat laajemmat mahdollisuudet verkon valvontaan, VLAN-asetuksiin, porttien priorisointiin ja etähallintaan, mikä tekee niistä sopivan valinnan yrityskäyttöön ja monimutkaisempiin verkkoympäristöihin.

Löydä sopiva PoE-kytkin Verkkokauppa.comista

Verkkokauppa.comin valikoimasta löydät PoE-kytkimet erikokoisiin tarpeisiin, eri porttimäärillä ja eri PoE-standardeilla. Valikoimassa on malleja niin kotikäyttöön, pienyrityksille kuin vaativampaan ammattikäyttöön. Tilaa PoE-kytkin edulliseen hintaan ja nopealla toimituksella.