Kusintha kwa PoEndi chipangizo chogwiritsidwa ntchito kwambiri m'makampani achitetezo masiku ano, chifukwa ndikusintha komwe kumapereka mphamvu ndi kutumizira deta kwa masinthidwe akutali (monga mafoni a IP kapena makamera), ndipo imagwira ntchito yofunika kwambiri.Mukamagwiritsa ntchito masiwichi a PoE, masiwichi ena a PoE amalembedwa ndi PoE, ndipo ena amalembedwa ndi PoE+.Ndiye, pali kusiyana kotani pakati pa kusintha kwa PoE ndi PoE +?

1. Kusintha kwa PoE ndi chiyani

Kusintha kwa PoE kumatanthauzidwa ndi mulingo wa IEEE 802.3af ndipo kumatha kupereka mpaka 15.4W yamagetsi a DC padoko lililonse.

2. Chifukwa chiyani mugwiritse ntchito chosinthira cha PoE

Kwazaka makumi angapo zapitazi, zinali zachilendo kuti mabizinesi aziyika ma waya awiri osiyana, imodzi yamagetsi ndi ina ya data.Komabe, izi zinawonjezera zovuta pakukonza.Kuti athetse izi, kuyambitsidwa kwa kusintha kwa PoE.Komabe, monga momwe mphamvu zimafunira machitidwe ovuta komanso apamwamba monga ma IP network, VoIP, ndi kusintha koyang'anira, kusintha kwa PoE kwakhala gawo lofunikira la mabizinesi ndi malo opangira deta.

3. Kodi POE+ switch ndi chiyani

Ndi chitukuko chaukadaulo wa PoE, mulingo watsopano wa IEEE 802.3at ukuwonekera, wotchedwa PoE +, ndipo masiwichi otengera mulingo uwu amatchedwanso ma switch a PoE +.Kusiyana kwakukulu pakati pa 802.3af (PoE) ndi 802.3at (PoE +) ndikuti zipangizo zamagetsi za PoE + zimapereka mphamvu pafupifupi kuwirikiza kawiri kuposa zipangizo za PoE, zomwe zikutanthauza kuti mafoni a VoIP omwe amagwiritsidwa ntchito kawirikawiri, WAPs ndi makamera a IP adzayenda pamadoko a PoE + .

4. Chifukwa chiyani mukufunikira ma switch a POE +?

Ndi kufunikira kokulirapo kwa ma switch amphamvu a PoE m'mabizinesi, zida monga mafoni a VoIP, malo ofikira a WLAN, makamera a netiweki ndi zida zina zimafunikira masiwichi atsopano okhala ndi mphamvu zapamwamba kuti zithandizire, motero kufunikira uku kunatsogolera mwachindunji kubadwa kwa ma switch a PoE +.

5. Ubwino wa masiwichi a PoE +

a.Mphamvu zapamwamba: Ma switch a PoE + amatha kupereka mphamvu mpaka 30W pa doko lililonse, pomwe ma switch a PoE amatha kupereka mphamvu mpaka 15.4W padoko lililonse.Mphamvu yochepa yomwe ikupezeka pa chipangizo chogwiritsira ntchito poE switch ndi 12.95W pa doko, pomwe mphamvu yocheperako yopezeka posinthira PoE + ndi 25.5W padoko lililonse.

b.Kugwirizana kwamphamvu: PoE ndi PoE + masiwichi amagawa magawo kuchokera ku 0-4 malinga ndi kuchuluka kwa mphamvu yomwe ikufunika, ndipo chipangizo chamagetsi chikalumikizidwa ndi chipangizo chamagetsi, chimapereka kalasi yake ku chipangizo chamagetsi kuti chida chopangira magetsi akhoza kupereka mphamvu yoyenera.Zida za Layer 1, Layer 2, ndi Layer 3 zimafuna mphamvu zochepa kwambiri, zochepa, komanso zochepetsetsa, motero, pamene mawotchi a Layer 4 (PoE +) amafunikira mphamvu zambiri ndipo amangogwirizana ndi magetsi a PoE +.

c.Kuchepetsanso mtengo: PoE+ yosavuta iyi imagwiritsa ntchito cabling wamba (Mphaka 5) kuti igwire ntchito ndi ma Ethernet wamba, kotero palibe "waya watsopano" wofunikira.Izi zikutanthauza kuti ma network cabling omwe alipo atha kugwiritsidwa ntchito popanda kufunika koyendetsa mphamvu yamagetsi yamagetsi yamagetsi yamagetsi yamagetsi yamagetsi yamagetsi yamagetsi yamagetsi kapena maulumikizidwe apadera amagetsi pa switch iliyonse yophatikizidwa.

d.Zamphamvu kwambiri: PoE + imagwiritsa ntchito chingwe cha CAT5 chokha (chomwe chili ndi mawaya amkati a 8, poyerekeza ndi mawaya a 4 a CAT3), omwe amachepetsa mwayi wa impedance ndi kuchepetsa kugwiritsa ntchito mphamvu.Kuphatikiza apo, PoE + imalola oyang'anira ma netiweki kuti apereke magwiridwe antchito ochulukirapo, monga kupereka zowunikira zatsopano zakutali, malipoti amtundu, komanso kasamalidwe kamagetsi (kuphatikiza kuyendetsa magetsi akutali kwa ma switch ophatikizidwa).

Pomaliza, ma switch a PoE ndi ma switch a PoE + amatha kuyatsa ma switch pamanetiweki monga makamera a netiweki, ma APs, ndi mafoni a IP, ndipo amakhala ndi kusinthasintha kwakukulu, kukhazikika kwakukulu, komanso chitetezo chokwanira ku kusokonezedwa ndi ma elekitiroma.