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    Mokhoa oa ts'ebeliso le nts'etsopele ea POE ho Marang-rang a Lintho

    Nako ea poso: Jun-10-2021

    1.Kakaretso

    Marang-rang a Lintho a hlomella li-sensor bakeng sa lintho tse fapaneng tsa 'nete tse kang marang-rang a motlakase, liporo, marokho, lithanele, litsela tse kholo, meaho, lits'ebetso tsa phepelo ea metsi, matamo, liphaephe tsa oli le khase, le lisebelisoa tsa ka tlung, le ho li hokela ka Marang-rang, ebe li tsamaisa. mananeo a itseng a ho fihlella taolo e hole Kapa ho fihlella puisano e tobileng pakeng tsa dintho. Ka Inthanete ea Lintho, k'homphieutha e bohareng e ka sebelisoa ho laola le ho laola mechine, lisebelisoa le basebetsi, hammoho le taolo e hole ea thepa ea lapeng le likoloi, hammoho le lits'ebetso tse fapaneng tse kang ho fumana libaka le ho thibela lintho ho utsuoa. . Likopong tse ngata tse ka holimo, ha ho na khaello ea theknoloji ea phepelo ea matla, 'me POE (POwerOverEthernet) ke theknoloji e ka fetisang matla le data ho sesebelisoa ka para e sothehileng ho Ethernet. Ka theknoloji ena, ho kenyeletsoa mehala ea Marang-rang, liteishene tse se nang mohala, lik'hamera tsa marang-rang, li-hubs, li-terminals tse bohlale, lisebelisoa tsa morao-rao tse bohlale tsa ofisi, likhomphutha, joalo-joalo, theknoloji ea POE e ka sebelisoa ho fana ka matla ho phethela tšebetso ea lisebelisoa tse fapaneng. Thepa ea elektronike e tsamaisoang ke marang-rang e ka sebelisoa ntle le lisebelisoa tse eketsehileng tsa matla, kahoo ka nako e ts'oanang e ka boloka nako le chelete bakeng sa ho lokisa mohala oa motlakase, e le hore litšenyehelo tsa tsamaiso eohle ea lisebelisoa li fokotsehile. Ka ts'ebeliso e atileng ea Ethernet, li-sockets tsa marang-rang tsa RJ-45 li sebelisoa haholo lefatšeng, kahoo mefuta eohle ea lisebelisoa tsa POE lia lumellana. POE ha e hloke ho fetola mohaho oa cable oa potoloho ea Ethernet ho sebetsa, kahoo tšebeliso ea tsamaiso ea POE ha e boloke litšenyehelo feela, e bonolo ho terata le ho kenya, empa hape e na le matla a ho tima le ho tima ka thōko.

    2.Tsebeliso e kholo ea POE Inthaneteng ea Lintho

    Ka nts'etsopele ea thekenoloji le lits'ebetso, moelelo oa Inthanete oa Lintho o ntse o eketseha, 'me kutloisiso e ncha e hlahile-Inthanete ea Lintho ke ts'ebeliso ea katoloso le katoloso ea marang-rang ea marang-rang a puisano le Marang-rang. E sebelisa theknoloji ea ho lemoha le lisebelisoa tse bohlale ho lemoha le ho lemoha lefatše la 'mele. Phetiso ea marang-rang le khokahanyo, lipalo, ts'ebetso le meepo ea tsebo, hlokomela tšebelisano ea tlhahisoleseling le khokahano e se nang moeli lipakeng tsa batho le lintho, lintho le lintho, le ho fihlela sepheo sa taolo ea nako ea nnete, taolo e nepahetseng le ho etsa liqeto tsa mahlale tsa lefats'e. . Ka hona, marang-rang a ke ke a hlola a khotsofatsa litlhoko tsa basebelisi, empa a tla bona liphetoho maemong a basebelisi, a tsamaise tšebelisano ea tlhahisoleseling, 'me a fe basebelisi litšebeletso tse ikhethileng.

    Tšusumetso ea thekenoloji ea marang-rang e se nang mohala ho batho e ke ke ea qojoa. Lenane la ts'ebeliso ea marang-rang a sebaka se se nang mohala le ntse le eketseha, liofising tse kholo, matlong a polokelo a bohlale, likampong tsa univesithi, mabenkele a mabenkele, boema-fofane, litsi tsa kopano le lipontšo, lihotele, boema-fofane, lipetlele, joalo-joalo Libara, mabenkele a kofi, jj. litlhoko tsa batho tsa ho phenyekolla Marang-rang nako efe kapa efe, kae kapa kae. Ts'ebetsong ea ho kenya marang-rang a se nang mohala, mosebetsi oa bohlokoa ka ho fetisisa ke ho kenngoa ka mokhoa o utloahalang le o sebetsang oa wireless AP (AccessPOint). Sethala sa leru sa TG se ka fana ka taolo e felletseng ka mokhoa o bohareng, o utloahalang le o sebetsang. Mererong e meholoanyane ea ho fana ka marang-rang a se nang mohala, ho na le palo e kholo ea li-AP tse se nang mohala 'me li ajoa likarolong tse fapaneng tsa moaho. Ka kakaretso, li-AP li hloka likhoele tsa marang-rang ho hokela ho li-switches le likhokahano tsa kantle. Phepelo ea motlakase ea DC. Ho rarolla matla le tsamaiso hang-hang ho tla eketsa haholo litšenyehelo tsa kaho le tlhokomelo. Phepelo ea motlakase "UNIP".switjhae rarolla bothata ba phepelo ea motlakase e bohareng ea li-wireless AP ka phepelo ea matla a marang-rang (POE), e ka rarollang haholo mathata a phepelo ea motlakase ea lehae a kopaneng nakong ea kaho ea morero le mathata a nakong e tlang a taolo ea AP. Sena se thibela li-AP ka bomong ho hloleha ho sebetsa hantle nakong ea ho khaoha ho itseng ha motlakase. Tharollong ena, hoa hlokahala ho sebelisa lisebelisoa tsa AP tse tšehetsang mesebetsi ea protocol ea 802.3af/802.3af ho finyella mosebetsi oa phepelo ea motlakase oa marang-rang. Haeba AP e sa tšehetse tšebetso ea protocol ea 802.3af/802.3af, o ka kenya ka kotloloho data le synthesizer ea POE ho phethela tšebetso ena ea phepelo ea motlakase. Joalokaha ho bontšitsoe setšoantšong sa 1:

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    3. Tšebeliso ea li-terminals tse bohlale tsa POE Inthaneteng ea Lintho

    Ha o letsa lapeng, haeba motlakase o tima ka tšohanyetso, mohala o ke ke oa sitisoa. Sena se bakoa ke hore phepelo ea motlakase ea terminal ea mohala e fanoa ka kotloloho ke k'hamphani ea mehala (ofisi e bohareng)switjhaka mohala oa mohala. Ak'u inahanele hore haeba li-sensor tsa tšimo ea indasteri, li-controller le li-actuator tse bohlale li ka sebelisoa ka ho toba ke Ethernet bakeng sa lisebelisoa tsa morao-rao tsa ofisi, joale mohala oohle, phepelo ea motlakase, basebetsi le litšenyehelo tse ling li ka fokotsoa haholo, 'me Ho Atolosoa. ho beha leihlo lits'ebetsong tse ngata tse hole, ena ke pono e hlahisoang ke theknoloji ea POE ho sechaba sa taolo ea indasteri ea Marang-rang a Lintho. Ka 2003 le 2009, IEEE e ile ea amohela litekanyetso tsa 802.3af le 802.3at ka ho latellana, tse hlalosang ka ho hlaka lisebelisoa tsa ho lemoha le ho laola tsamaiso e hole, le ho sebelisa likhoele tsa Ethernetli-routers, li-switches, le li-hubs tsa ho buisana le lifono tsa IP, litsamaiso tsa tšireletso, le waelese Mokhoa oa phepelo ea motlakase bakeng sa lisebelisoa tse kang libaka tsa phihlello tsa LAN o laoloa. Ho lokolloa ha IEEE802.3af le IEEE802.3at ho khothalelitse haholo nts'etsopele le ts'ebeliso ea theknoloji ea POE.

     



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