POE Matla holim'a ts'ireletso ea Ethernet

Tsoelo-pele ea theknoloji ea Power over Ethernet (POE) e matla haholo.Tsoelo-pele ea theknoloji ena e ka nolofatsa ho kenngoa le ho tsamaisoa ha lisebelisoa tsa motlakase, kahoo ho felisa tlhokahalo ea melapo ea phetisetso e ikemetseng.Matsatsing ana, theknoloji ea phepelo ea motlakase (POE) e sebelisoa haholo lits'ebetsong tsa indasteri tse kang ts'ireletso, puisano, le marang-rang a bohlale ho fihlela data, phetiso ea video, taolo ea phallo, le phepelo ea motlakase ka libese ka har'a sistimi.Leha ho le joalo, ka lebaka la tikoloho e thata ea ts'ebetso ea Industrial Ethernet, ts'ireletso le ts'ireletso e tsitsitseng ea boema-kepe ba POE e bohlokoa.Mona ke kenyelletso e khuts'oane ea leano la ts'ireletso la sistimi ea POE:
Boemo:
(1) IEC61000-4-2: LEVEL4: Ikopanye le 8kV;Moea: 15kV
(2) IEC61000-4-5: 10/700us LEVELX: 6KV
Molao-motheo: Merero ena e 'meli e ka holimo e amohela motsoako oa ts'ireletso ea mekhahlelo e' meli, 'me sethala se ka pele e le electrostatic silicon suppressor SET le NVCS e mpe ea clamp voltage suppressor, ho monya le ho lokolla matla a maholo.Sesebelisoa sa ts'ireletso sa sethala se ka morao ke ESD ea mosireletsi oa electrostatic, e nang le "clamp voltage" e nepahetseng le lebelo la karabelo e potlakileng, e nka matla a setseng a sethala se fetileng, fokotsa motlakase ho isa sebakeng seo potoloho ea morao-rao e ka e mamellang, 'me e sirelletsa le mokokotlo. qetellong chip.Ts'ireletsong ea phepelo ea motlakase ea 48V ea setso, lisebelisoa tse sirelletsang tse eketsehileng li sebelisoa ho ntlafatsa boemo ba tlhahlobo, bo nkang molumo o moholo ebile bo na le phello e mpe ea taolo holim'a motlakase o setseng, e leng se bakang ho eketseha ha monyetla oa tšenyo ea chip ea morao-rao.Ka lebaka lena, SPSEMI Instant Thunder Electronics e hlahisitse letoto la li-clamp voltage suppressor NVCS tse khethehileng bakeng sa POE (48V power supply).Boitsebiso bona bo na le sekhahla se seholo sa phallo le molumo o monyenyane, o kentsoeng ka SMC.Mabapi le taolo ea motlakase e setseng, e ka ba 20V e tlase ho feta lisebelisoa tsa setso tsa TVS, tse ka sireletsang chip ea morao-rao ka katleho.
Boemo:
(1) IEC61000-4-2: LEVEL4: Ikopanye le 8kV;Moea: 15kV
(2) IEC61000-4-5: 10/700us LEVELX: 6KV
Molao-motheo: Merero e 'meli e ka holimo e sebelisa tšireletso ea mekhahlelo e' meli.Mokhahlelo o ka pele ke "clamp voltage suppressor" e mpe ea NVCS, e monyang le ho ntša matla a maholo.Sesebelisoa sa ts'ireletso sa sethala se ka morao ke "electrostatic protector ESD", e nang le "clamping voltage" e nepahetseng le lebelo la karabelo le potlakileng.E monya matla a setseng a sethaleng se ka pele, e fokotsa motlakase ho ea ka har'a moeli oo potoloho ea morao-rao e ka e mamellang, 'me e sireletsa chip ea morao-rao.
Ho latela maemo a machaba a IEC61000-4-5, matla a matla a lehalima hangata a entoa ka mokhoa o tloaelehileng.Ka moralo oa morero, tlhokomelo e lefshoa ho ts'ireletso ea mokhoa o tloaelehileng.Mosireletsi oa electrostatic TUSD03FB o eketsoa lipakeng tsa mela e ka thoko bakeng sa ts'ireletso ea mefuta e fapaneng, e felisang matla a setseng a kopantsoeng le morao nakong ea ho otla ha lehalima, le ho sireletsa phapang ea khatello lipakeng tsa mela hore e se fetohe.Morero o ka holimo oa ts'ireletso o netefalitsoe ke SPSEMI Transient Thunder Electronics Laboratory.
Lintlha tse ka holimo ke kakaretso e khutšoanyane ea POE Power over Ethernet Surge Protection, e ka sebetsang e le moelelo oa motho e mong le e mong.Khamphani ea rona e na le sehlopha se matla sa tekheniki mme e ka fana ka lits'ebeletso tsa botekgeniki ho bareki.Hajoale, k'hamphani ea rona e na le lihlahisoa tse fapaneng: onu e bohlale, puisano ea Optical module, optical fiber module, sfp Optical module, lisebelisoa tsa olt, switjha ea Ethernet le lisebelisoa tse ling tsa marang-rang.Haeba u hloka, u ka ba le kutloisiso e tebileng.