RJ-45 PoE: Kulimbitsa kulumikizana kwanu kwa Ethernet
2024-04-21 17:47:29
Doko la RJ-45 Ethernet ndi mawonekedwe akuthupi omwe amathandizira kulumikizana kwa zida zolumikizirana pogwiritsa ntchito zingwe zopotoka. Zapangidwa kuti zigwirizane ndi mawaya asanu ndi atatu, omwe amagwiritsidwa ntchito potumiza ndi kulandira deta. Doko nthawi zambiri limapezeka kumbuyo kwa zida zolumikizirana ndipo limagwiritsidwa ntchito kukhazikitsa mawaya olumikizana ndi netiweki yapafupi (LAN) kapena intaneti.
Mphamvu pa Efaneti (PoE) ndiukadaulo womwe umalola kufalitsa kwa data munthawi yomweyo ndi mphamvu zamagetsi pa chingwe chomwecho cha Efaneti. Izi zimatheka pogwiritsa ntchito mawaya osagwiritsidwa ntchito mu chingwe cha Efaneti kuti anyamule mphamvu yamagetsi, kuthetsa kufunikira kwa chingwe chamagetsi chosiyana. Zipangizo zomwe zimathandizira PoE zitha kuyendetsedwa molunjika kuchokera ku doko la Efaneti, kumathandizira kukhazikitsa ndikuchepetsa kufunikira kwa malo owonjezera magetsi.





Pankhani ya RJ-45 PoE, doko la Efaneti silimangogwiritsidwa ntchito potumiza deta komanso popereka mphamvu ku zida zogwirizana. Izi ndizothandiza makamaka pazida monga makamera a IP, malo opanda zingwe, ndi mafoni a VoIP, omwe amatha kuyendetsedwa mosavuta pogwiritsa ntchito chingwe chimodzi cha Ethernet. RJ-45 PoE imakhazikika pansi pa IEEE 802.3af ndi IEEE 802.3at, yomwe imatanthawuza zaukadaulo popereka mphamvu pa Ethernet.
Ikaphatikizidwa ndi ukadaulo wa PoE, imakhala mawonekedwe osunthika omwe amathanso kupereka mphamvu pazida zomwe zimagwirizana, kuphweka kuyika ndi kuchepetsa kusanja kwa zingwe. Kaya mukukhazikitsa netiweki yakunyumba kapena malo opangira malonda, RJ-45 PoE imapereka yankho losavuta komanso lothandiza pakuwongolera zida zanu zolumikizidwa ndi Efaneti.