{"id":224409,"date":"2012-05-31T22:00:00","date_gmt":"2012-05-31T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-poe-simple-port\/"},"modified":"2012-05-31T22:00:00","modified_gmt":"2012-05-31T22:00:00","slug":"controleur-poe-simple-port","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/controleur-poe-simple-port\/","title":{"rendered":"Contr\u00f4leur PoE+ simple port"},"content":{"rendered":"<p>Les dispositifs aliment&eacute;s par Ethernet, ou PD, prolif&egrave;rent dans les march&eacute;s SOHO (small office\/home office) et SMB (small-to-medium), ce qui g&eacute;n&egrave;re un besoin en solutions d&rsquo;alimentation PoE\/PoE+ embarqu&eacute;es simple port, faciles &agrave; utiliser. Avec la popularit&eacute; croissante de la version haute puissance du standard IEEE 802.3at, dite PoE+, et l&rsquo;arriv&eacute;e de PD consommant jusqu&rsquo;&agrave; 30&nbsp;watts, les d&eacute;veloppeurs recherchent des contr&ocirc;leurs PSE assez souples pour offrir la possibilit&eacute; de mesurer et de surveiller l&rsquo;alimentation, et qui soient en m&ecirc;me temps conformes aux standards et sans probl&egrave;mes d&rsquo;interop&eacute;rabilit&eacute;. Le contr&ocirc;leur Si3462 est une solution d&rsquo;alimentation PoE et PoE+ simple port compl&egrave;te et &eacute;conomique. Lorsqu&rsquo;il est d&eacute;ploy&eacute; en mode &quot;&nbsp;classification optionnelle&nbsp;&quot;, il &eacute;limine jusqu&rsquo;&agrave; 10 composants discrets, r&eacute;duisant le co&ucirc;t de nomenclature d&rsquo;un PSE embarqu&eacute; &agrave; tout juste 1,60&nbsp;$ (US). Dans ce mode, lorsque le contr&ocirc;leur Si3462 d&eacute;tecte un PD valide connect&eacute; &agrave; l&rsquo;extr&eacute;mit&eacute; du c&acirc;ble, il applique imm&eacute;diatement une alimentation pr&eacute;d&eacute;termin&eacute;e. Ce mode optimise le co&ucirc;t et simplifie les applications qui n&rsquo;exigent pas de classification, comme les syst&egrave;mes propri&eacute;taires &agrave; nombre fixe de p&eacute;riph&eacute;riques aliment&eacute;s.&nbsp; <br \/>\nL&rsquo;architecture innovante du contr&ocirc;leur Si3462 &eacute;vite d&rsquo;utiliser un MCU s&eacute;par&eacute; et le logiciel associ&eacute;, ce qui simplifie l&rsquo;int&eacute;gration syst&egrave;me globale, all&egrave;ge les co&ucirc;ts et les risques du d&eacute;veloppement de logiciel , et acc&eacute;l&egrave;re la mise sur le march&eacute;. Les processus de d&eacute;tection de p&eacute;riph&eacute;rique, de classification, d&rsquo;allumage, de surveillance de panne, de protection et de d&eacute;connexion int&eacute;gr&eacute;s au Si3462 fonctionnent avec des configurations de broches hardware sans assistance d&rsquo;un processeur ou d&rsquo;un MCU h&ocirc;te. Le Si3462 surveille continuellement l&rsquo;alimentation d&eacute;livr&eacute;e aux PD, &nbsp;en s&rsquo;assurant du fonctionnement s&ucirc;r de chacun et du respect de toutes les sp&eacute;cifications de PoE\/PoE+ de l&rsquo;IEEE.<br \/>\n&quot;&nbsp;Le nouveau contr&ocirc;leur Si3462 facilite l&rsquo;adoption de l&rsquo;alimentation haute puissance PoE+ dans les syst&egrave;mes PSE embarqu&eacute;s, et la rend plus &eacute;conomiques que jamais, tout en lib&eacute;rant les d&eacute;veloppeurs des risques et de la complexit&eacute; de mise en conformit&eacute; aux standards des autres solutions PSE,&nbsp;&quot; d&eacute;clare Jim Judkins, directeur Produits d&rsquo;Acc&egrave;s chez Silicon Labs. &quot;&nbsp;Les PSE sont d&eacute;sormais d&eacute;ploy&eacute;s avec la simplicit&eacute; du plug-and-play, sans n&eacute;cessiter de MCU h&ocirc;te ni de t&acirc;ches logicielles suppl&eacute;mentaires.&nbsp;&quot; Le contr&ocirc;leur Si3462 poss&egrave;de une vari&eacute;t&eacute; de modes de fonctionnement faciles &agrave; mettre en &oelig;uvre, s&eacute;lectionnables par broche, et il est assez souple pour s&rsquo;utiliser dans les &eacute;quipements sources d&rsquo;alimentation aussi bien que dans les &quot;&nbsp;midspan&nbsp;&quot; ou injecteurs. Bien que destin&eacute; en premier lieu aux &eacute;quipements d&rsquo;extr&eacute;mit&eacute; PSE, le Si3462 supporte directement les &eacute;quipements interm&eacute;diaires ou injecteurs d&rsquo;alimentation, tr&egrave;s utilis&eacute;s dans les petits r&eacute;seaux locaux d&rsquo;entreprises et de PME. Les midspans permettent d&rsquo;alimenter des p&eacute;riph&eacute;riques reli&eacute;s &agrave; un commutateur Ethernet existant, d&eacute;pourvu de capacit&eacute; d&rsquo;alimentation sur ses ports Ethernet, en s&rsquo;ins&eacute;rant entre le commutateur et le p&eacute;riph&eacute;rique. &nbsp;<\/p>\n<p><a href=\"http:\/\/www.silabs.com\" target=\"_blank\" title=\"www.silabs.com\" rel=\"noopener\">www.silabs.com <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Silicon Laboratories introduit un contr\u00f4leur Power over Ethernet (PoE) simple port qui simplifie la conception d&rsquo;\u00e9quipements PSE (source d&rsquo;alimentation par Ethernet) embarqu\u00e9s, \u00e0 la fois plug-and-play et \u00e9conomiques. Le contr\u00f4leur Si3462 facilite le d\u00e9veloppement d&rsquo;\u00e9quipements PSE d&rsquo;extr\u00e9mit\u00e9 tels que passerelles r\u00e9sidentielles, bo\u00eetiers d\u00e9codeurs, convertisseurs m\u00e9dia \/ fibres optiques et syst\u00e8mes de surveillance et de s\u00e9curit\u00e9, connect\u00e9s \u00e0 une vari\u00e9t\u00e9 de dispositifs aliment\u00e9s ou PD (\u00a0\u00bb powered devices \u00ab\u00a0), comme \u00a0les t\u00e9l\u00e9phones VoIP, les cam\u00e9ras de surveillance, les claviers, les \u00e9quipements de stockage en r\u00e9seau et les points d&rsquo;acc\u00e8s WiFi.<\/p>\n","protected":false},"author":22,"featured_media":224410,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-224409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leur PoE+ simple port ...<\/title>\n<meta name=\"description\" content=\"Silicon Laboratories introduit un contr\u00f4leur Power over Ethernet (PoE) simple port qui simplifie la conception d&#039;\u00e9quipements PSE (source d&#039;alimentation par...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/224409\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contr\u00f4leur PoE+ simple port\" \/>\n<meta property=\"og:description\" content=\"Silicon Laboratories introduit un contr\u00f4leur Power over Ethernet (PoE) simple port qui simplifie la conception d&#039;\u00e9quipements PSE (source d&#039;alimentation par Ethernet) embarqu\u00e9s, \u00e0 la fois plug-and-play et \u00e9conomiques. Le contr\u00f4leur Si3462 facilite le d\u00e9veloppement d&#039;\u00e9quipements PSE d&#039;extr\u00e9mit\u00e9 tels que passerelles r\u00e9sidentielles, bo\u00eetiers d\u00e9codeurs, convertisseurs m\u00e9dia \/ fibres optiques et syst\u00e8mes de surveillance et de s\u00e9curit\u00e9, connect\u00e9s \u00e0 une vari\u00e9t\u00e9 de dispositifs aliment\u00e9s ou PD (&quot; powered devices &quot;), comme \u00a0les t\u00e9l\u00e9phones VoIP, les cam\u00e9ras de surveillance, les claviers, les \u00e9quipements de stockage en r\u00e9seau et les points d&#039;acc\u00e8s WiFi.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/224409\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2012-05-31T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci3255_silicon_labs.jpg\" \/>\n\t<meta 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