Ndikukula kosalekeza kwaukadaulo wa PoE, masiwichi a PoE pakadali pano ali okhwima kwambiri, komabe, chifukwa cha msika womwe ukuwunika chifukwa chazovuta zamtengo, mtundu wa masiwichi a PoE kapena zingwe ndizotsika kwambiri, kapena kapangidwe kake komweko. nzosamveka, zomwe zidzachititsa kuti pakhale ntchito yolemetsa kwambiri yokonza mapulojekiti amagetsi a PoE. Ntchito yowunikira maukonde ndi yosiyana ndi mawaya wamba ophatikizika amawu, kuchuluka kwa data kufalikira, mphamvu ndi yayikulu, ndipo imafunikira ntchito yosasokonezeka nthawi yonseyi, kotero kuti malingaliro akuti magetsi a PoE sakhazikika. Koma kodi magetsi a POE ndi osakhazikika? Tiyeni tiwunikire momwe ma switch a PoE angalumikizidwe mokhazikika komanso ubwino wa chitetezo cha ma switch a PoE ndi ati? Tiyeni tiwone!

Momwe mungatsimikizire kulumikizidwa kokhazikika kwa switch ya PoE?

① Gwiritsani ntchito masiwichi wamba a PoE. Masiwichi a PoE osakhazikika alibe ma protocol a IEEE802.3af kapena IEEE802.3at. Mosasamala kanthu kuti chipangizo chothandizira chimathandizira magetsi a PoE, kukakamiza 48V kutulutsa mphamvu zamagetsi kumawononga chipangizo chotsiriza. Chifukwa chake, kugwiritsa ntchito masiwichi wamba a PoE polumikizana ndi gawo loyamba loonetsetsa kuti ma network akugwira ntchito mokhazikika.

②Gwiritsani ntchito zingwe zoyenelera. Pewani kugula zingwe zosayenera. Chifukwa samapangidwa mosamalitsa malinga ndi zofunikira za zingwe zapaintaneti zokhazikika, zitsulo zokhala ndi mkuwa / aluminiyamu / chitsulo zimatha kuchitika. Chifukwa chake, kukana kwa chingwe cha netiweki kudzakhala kwakukulu ndipo sikuli koyenera popereka mphamvu ya PoE.

③ Dziwani momwe magetsi amagwiritsidwira ntchito. Zosintha zosiyana za PoE zimakhala ndi mphamvu zotulutsa zosiyana, monga: IEEE802.3af standard POE switch ikhoza kupereka mphamvu ku zipangizo zogwiritsira ntchito mphamvu zambiri zosapitirira 15.4W; Kusintha kwa PoE komwe kumagwirizana ndi muyezo wa IEEE802.3at kumatha kupereka mphamvu ku zida zomwe mphamvu zake zochulukirapo sizidutsa 30W. Malingana ndi mtunda wotumizira ndi kutaya kwa zinthu, mphamvu yogwiritsira ntchito mphamvu yomwe ingaperekedwe ikhoza kukhala yochepa.

④ Fotokozani kuchuluka kwa zida zogwiritsira ntchito. Pansi pa muyezo wa IEEE802.3af, ngati mphamvu yonse ya PoE ya 24-port PoE switch ifika ku 370W, imatha kupereka madoko 24 (370/15.4=24),; Koma ngati iwerengedwa molingana ndi IEEE802.3at muyezo wa doko limodzi lalikulu lamagetsi a 30W, nthawi yomweyo, imatha kupereka mphamvu kumadoko 12 kwambiri (370/30=12).

⑤ Dziwani mtunda wotumizira. Mtunda wamagetsi wamagetsi a PoE umatsimikiziridwa ndi mtunda wotumizira wa chizindikiro cha data. Pamene mlingo wotumizira ndi 100Mbps, mtunda wautali umene chizindikiro cha deta chikhoza kufalikira ndi 100m. Choncho, kuweruza mtunda wotumizira kutengera kuchuluka kwa kufalikira ndi chimodzi mwazinthu zomwe zimatsimikizira kulumikizidwa kokhazikika kwa kusintha kwa PoE.

⑥Ali ndi IETF RFC2544 muyezo. Muyezowu utha kukupatsani njira yoyeserera yolumikizira kusokoneza kwa ntchito kuti muyese momwe zida zolumikizirana netiweki zimayendera, kuchuluka kwa mafelemu obwerera m'mbuyo, kutayika kwa paketi ndikuchedwa kugwira ntchito, ndikuwunika kulumikizidwa kokhazikika kwa ma switch a PoE.