ThePoE chinjais a switch inotsigira magetsi kune network tambo.Kana ichienzaniswa neyakajairwa switch, iyo magetsi ekugamuchira terminal (yakadai seAP, digitaalinen kamera, nezvimwewo) haidi kuve newaya kune magetsi, uye kuvimbika kwetiweki yese kwakakwira.
Musiyano uripo pakati pePoE switch uye zvakajairwa switch
PoE switch yakasiyana neyakajairwa switch, PoE switch haingogone kupa basa rekufambisa reyakajairwa switch, asiwo inopa simba rekupa basa kune imwe mugumo wetiweki tambo.Semuyenzaniso, kune dhijitari yekuongorora kamera (inoda magetsi shanda zvakajairika), asi haina kubatana kune magetsi, asi yakabatana kune yakajairwa switch kuburikidza netiweki tambo.Muchiitiko ichi, kamera haishande.Kana iyo kamera isina kubatana kune magetsi, asi yayo yekufambisa network tambo yakabatana nePoE switch, kamera inogona kushanda zvakajairika.
PoE yakakamurwa kuva yakajairwa uye isiri-yakajairwa.Iyo yakajairwa inozoona kana iyo yakabatana network michina ine PoE yekugamuchira simba kupera.Kana iripo, ichave inofambiswa, kana isiri, haizove nemagetsi uye inopa chete kutapurirana data.Izvo zvisiri-standard zvichapihwa zvakananga simba.Kana iyi link ikasaonekwa, mudziyo unogona kupiswa.
POE chinja tekinoroji uye zvakanakira
Pane zviyero zviviri zveiyo mainstream PoE switch pamusika, IEEE802.3af uye 802.3at, iyo inotsanangudza simba rekupa magetsi e15.4W uye 30W, asi nekuda kwekurasikirwa kweiyo nzira yekufambisa, iyo chaiyo magetsi inosvika 12.95W. uye 25．5W, rated voltage is DC 48v.
Paunenge uchishandisa PoE switch inotsigira IEEE802.3af chiyero, simba remuchina wemagetsi haugone kudarika 12.95W;zvakafanana, kana uchishandisa PoE switch yeIEEE802.3at chiyero, simba reiyo powered device haigoni kudarika 25.5W.
Kazhinji, poE switch inotsigira IEEE802.3af/pachiyero panguva imwe chete, simba rekushandisa rinogadziriswa.Semuenzaniso, kana yakabatana kune 5W mudziyo, inopa 5W yesimba;kana yakabatana kune 20W mudziyo, ipapo inopa 20W yesimba.
PoE switch switch inotsigira magetsi kune network tambo.Zvichienzaniswa neakajairika switch, zviteshi (zvakadai seAPs, makamera edhijitari, nezvimwewo) hazvidi kuvharwa newaya yemagetsi, uye anovimbika kune network yese.ThePoE chinjahaingogone kupa chete basa rekutapurirana reyakajairwa switch, asi zvakare kupa simba rekupa basa kune imwe mugumo wetiweki tambo.
Iyo PoE yekumashure-yekupedzisira mudziyo inongoda imwe tambo yetiweki, inochengetedza nzvimbo uye inogona kutamiswa pakuda (nyore uye nyore), kuchengetedza mari.
Chero bedzi iyo PoE switch yakabatana neUPS, inogona kupa simba kune ese kumashure-kumagumo ane hukama nePOE kana simba radzimwa.Vashandisi vanogona kusanganisa otomatiki uye zvakachengeteka michina yepakutanga nePoE midziyo panetiweki, uye michina iyi inogona kugarisana netambo dzeEthernet dziripo.