Kodi zizindikiro zobisika za kusintha kwa POE ndi ziti?

Chizindikiro chofunikira kwambiri chobisika cha kusintha kwa POE ndi mphamvu yonse yoperekedwa ndi POE.Pansi pa muyezo wa IEEE802.3af, ngati mphamvu yonse ya POE ya 24-port POE switch ifika 370W, imatha kupereka madoko 24 (370/15.4=24), koma ngati ili doko limodzi molingana ndi IEEE802.3at. muyezo, mphamvu yayikulu Mphamvu yamagetsi imawerengedwa pa 30W, ndipo imatha kupereka mphamvu kumadoko 12 nthawi imodzi (370/30=12).

Komabe, pakugwiritsa ntchito kwenikweni, kugwiritsa ntchito mphamvu kwambiri pazida zambiri zotsika mphamvu ndizochepa.Mwachitsanzo, mphamvu ya single-frequency APs ndi 6 ~ 8W.Ngati doko lililonse la POE likusungira magetsi malinga ndi kuchuluka kwa mphamvu panthawiyi, zidzawonekera Mphamvu ya POE ya madoko ena sangathe kugwiritsidwa ntchito, pamene mphamvu ya madoko ena sangathe kuperekedwa.Ma switch ambiri a POE amathandizira Dynamic Power Allocation (DPA).Mwanjira imeneyi, doko lililonse limangopereka mphamvu zomwe zimagwiritsidwa ntchito, kuti mphamvu yoperekedwa ndi chosinthira cha POE igwiritsidwe ntchito bwino.

Tiyeni tingolingalira, ngati tigwiritsa ntchito 24-port POE switchJHA-P420024BTHndi gulu la gulu limodzi JHA-MB2150X.Tikuganiza kuti mphamvu ya POE ya JHA-P420024BTH ndi 185W (Zindikirani: mphamvu ya 24-port POE switch JHA-P420024BTH ndi 380W).Madoko 12 amayendetsedwa, ndipo pambuyo pa kugawa mphamvu kwamphamvu kutengera, chifukwa kugwiritsa ntchito mphamvu kwambiri kwa JHA-MB2150X ndi 7W, JHA-P420024BTH kumatha mphamvu mapanelo 24 a JHA-MB2150X (185/7=26.4).

JHA-P420024BTH


Nthawi yotumiza: Mar-14-2022