{"id":35772,"date":"2022-05-30T11:25:00","date_gmt":"2022-05-30T18:25:00","guid":{"rendered":"https:\/\/enableit.com\/?p=35772"},"modified":"2026-10-14T16:52:31","modified_gmt":"2026-10-14T23:52:31","slug":"quem-inventou-o-ethernet","status":"publish","type":"post","link":"https:\/\/enableit.com\/pt\/who-invented-ethernet\/","title":{"rendered":"Quem inventou o Ethernet \u2013 Robert Metcalfe \u2013 Quando foi inventado o Ethernet?"},"content":{"rendered":"<div class=\"product\"><div class=\"product\">\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"35772\" class=\"elementor elementor-35772\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5c43c83 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5c43c83\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7a827d3\" data-id=\"7a827d3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6ee7809 elementor-widget elementor-widget-heading\" data-id=\"6ee7809\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Hist\u00f3ria do Ethernet. Quem o inventou e quando foi inventado o Ethernet<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42014b0 elementor-widget elementor-widget-text-editor\" data-id=\"42014b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A inven\u00e7\u00e3o do Ethernet foi desenvolvida sob a supervis\u00e3o de Robert Metcalfe no Xerox Palo Alto Research Center em 1973 e, no pedido de patente de 1976, Metcalfe, David Boggs, Butler Lampson e Chuck Thacker foram listados como co-inventores. Com o desenvolvimento de servi\u00e7os de internet dom\u00e9sticos na d\u00e9cada de 1980 e 1990, essa tecnologia, que passou a incluir as op\u00e7\u00f5es de adaptador e porta nos novos PCs, come\u00e7ou a criar uma forma de conectar computadores dom\u00e9sticos. Isso ajudou a criar novas oportunidades para desenvolver essa tecnologia, pois ela existia antes de muitos outros tipos de conectividade de computador, como USB ou Universal Serial Bus. (Sim, USB, como a maioria dos cabos de conex\u00e3o de smartphones modernos.)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f33dea2 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f33dea2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18a99d6 elementor-widget elementor-widget-heading\" data-id=\"18a99d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Robert Metcalfe<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b0aa706 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b0aa706\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-22a1dad\" data-id=\"22a1dad\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d0aa58b elementor-widget elementor-widget-text-editor\" data-id=\"d0aa58b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Robert \u00e9 conhecido por ser co-inventor do Ethernet e tamb\u00e9m da 3Com. A empresa era um fabricante de eletr\u00f4nicos digitais americano que fabricava produtos de rede de computadores. A 3Com foi fundada em 1979 por Robert Metcalfe, Howard Charney e outros. O Sr. Metcalfe afirmou que o nome da empresa \u201c3Com\u201d fazia refer\u00eancia a \u201cComputador, Comunica\u00e7\u00e3o e Compatibilidade\u201d, com foco exclusivo na tecnologia Ethernet. <a href=\"https:\/\/www.ece.utexas.edu\/people\/faculty\/robert-metcalfe\" target=\"_blank\" rel=\"noopener noreferrer\">Robert Metcalfe<\/a> Atualmente, \u00e9 professor aposentado de Inova\u00e7\u00e3o e Empreendedorismo e Murchison Fellow of Free Enterprise na Cockrell School of Engineering da Universidade do Texas em Austin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3cda5b3\" data-id=\"3cda5b3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e7af0c elementor-widget elementor-widget-image\" data-id=\"3e7af0c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"355\" height=\"486\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2022\/05\/With_Bob_Metcalfe_cropped.webp\" class=\"attachment-large size-large wp-image-42332\" alt=\"Quem inventou o Ethernet - Robert Metcalfe - Quando foi inventado o Ethernet?\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2022\/05\/With_Bob_Metcalfe_cropped.webp 355w, https:\/\/enableit.com\/wp-content\/uploads\/2022\/05\/With_Bob_Metcalfe_cropped-219x300.webp 219w, https:\/\/enableit.com\/wp-content\/uploads\/2022\/05\/With_Bob_Metcalfe_cropped-150x205.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2022\/05\/With_Bob_Metcalfe_cropped-64x88.webp 64w\" sizes=\"(max-width: 355px) 100vw, 355px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Robert Metcalfe<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-24d407c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"24d407c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c9ddbd elementor-widget elementor-widget-text-editor\" data-id=\"5c9ddbd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><style>.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }<\/style><\/p><div class=\"embed-container\"><iframe src=\"https:\/\/www.youtube.com\/embed\/m_agCPNGOzU\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div><blockquote><p><em>\u201cNo final de 1972, Metcalfe e seus colegas do Xerox PARC desenvolveram o primeiro sistema experimental de Ethernet para interconectar o Xerox Alto, uma esta\u00e7\u00e3o de trabalho pessoal com uma interface gr\u00e1fica para o usu\u00e1rio. O sistema experimental de Ethernet foi utilizado para conectar os Altos uns aos outros, al\u00e9m de conectar os Altos a servidores e impressoras laser. O rel\u00f3gio de sinal para a interface experimental de Ethernet foi derivado do rel\u00f3gio de sistema do Alto, o que resultou em uma taxa de transmiss\u00e3o de dados no Ethernet experimental de 2,94 Mbps.\u201d<\/em> \u2013 <a href=\"https:\/\/www.iol.unh.edu\/sites\/default\/files\/knowledgebase\/ethernet\/ethernet_evolution.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Fonte<\/a><\/p><p><em>\u201cA primeira rede experimental de Metcalfe foi chamada de Alto Aloha Network. Em 1973, Metcalfe mudou o nome para \u201cEthernet\u201d, para deixar claro que o sistema poderia suportar qualquer computador \u2014 n\u00e3o apenas Altos \u2014, e para indicar que seus novos mecanismos de rede haviam evolu\u00eddo muito al\u00e9m do sistema Aloha. Ele optou por basear o nome na palavra \u201c\u00e9ter\u201d como forma de descrever uma caracter\u00edstica essencial do sistema: o meio f\u00edsico (ou seja, um cabo) transporta os bits para todas as esta\u00e7\u00f5es, da mesma forma que o antigo \u201c\u00e9ter lumin\u00edfero\u201d era pensado para propagar ondas eletromagn\u00e9ticas atrav\u00e9s do espa\u00e7o. Assim, nasceu o Ethernet.\u201d<\/em> \u2013 <a href=\"https:\/\/www.iol.unh.edu\/sites\/default\/files\/knowledgebase\/ethernet\/ethernet_evolution.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Fonte<\/a><\/p><\/blockquote>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17a8b3d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"17a8b3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0b49de elementor-widget elementor-widget-heading\" data-id=\"f0b49de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">A ideia<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-701393d elementor-widget elementor-widget-text-editor\" data-id=\"701393d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Metcalfe recebeu a tarefa de desenvolver uma forma de que computadores pudessem se comunicar entre si a longas dist\u00e2ncias. Na \u00e9poca, o m\u00e9todo principal de transmiss\u00e3o de dados era atrav\u00e9s de linhas telef\u00f4nicas, que n\u00e3o eram adequadas para transmitir grandes quantidades de dados a altas velocidades.<\/p><p>A solu\u00e7\u00e3o de Metcalfe consistiu em criar um novo tipo de rede que utilizava cabos coaxiais para transmitir dados. Essa rede foi chamada de Ethernet e permitia que os computadores se comunicassem uns com os outros com velocidades de at\u00e9 10 megabits por segundo (Mbps). Essa tecnologia representou uma melhoria significativa em rela\u00e7\u00e3o ao m\u00e9todo anterior de transmiss\u00e3o de dados e abriu novas possibilidades para a cria\u00e7\u00e3o de redes de computadores.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a14c6e5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a14c6e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c487ba2 elementor-widget elementor-widget-heading\" data-id=\"c487ba2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Como funciona o Ethernet?<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51bf3d0 elementor-widget elementor-widget-text-editor\" data-id=\"51bf3d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Conex\u00f5es complexas com diferentes redes locais s\u00e3o poss\u00edveis devido \u00e0 tecnologia Ethernet. Da mesma forma que funciona uma linha telef\u00f4nica, um cabo Ethernet ou um cabo Ethernet conecta um computador a um roteador. A gama de produtos Ethernet ligados pode ser ampliada usando acess\u00f3rios como splitters e <a href=\"\/pt\/extensor-de-ethernet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Extensores Ethernet<\/a>. \u00c9 poss\u00edvel conectar um dispositivo por meio de uma conex\u00e3o Ethernet com uma conex\u00e3o Ethernet quando o dispositivo estiver conectado a um roteador. Muitas dispositivos eletr\u00f4nicos, como TVs, consoles de videogame, c\u00e2meras de vigil\u00e2ncia, telefones VOIP, impressoras, equipamentos industriais e muito mais, utilizam conex\u00f5es Ethernet, embora a maioria das pessoas saiba e as associe apenas a computadores.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5210f3a elementor-widget elementor-widget-image\" data-id=\"5210f3a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"\/pt\/what-is-ethernet\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1280\" height=\"217\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-in-simple-terms.webp\" class=\"attachment-large size-large wp-image-42473\" alt=\"O que \u00e9 Ethernet? Ethernet explicado em termos simples\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-in-simple-terms.webp 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-in-simple-terms-300x51.webp 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-in-simple-terms-768x130.webp 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-in-simple-terms-500x85.webp 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-in-simple-terms-150x25.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-in-simple-terms-64x11.webp 64w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" title=\"\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a41a444 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a41a444\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bae9030 elementor-widget elementor-widget-heading\" data-id=\"bae9030\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">O impacto do Ethernet na rede moderna<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42f4bec elementor-widget elementor-widget-text-editor\" data-id=\"42f4bec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O Ethernet teve um impacto profundo na rede moderna. Tornou-se o fundamento da LAN, que \u00e9 uma componente essencial em empresas e organiza\u00e7\u00f5es em todo o mundo. As LANs permitem que v\u00e1rios computadores se conectem e compartilhem dados entre si, facilitando a colabora\u00e7\u00e3o e o trabalho em projetos.<\/p><p>O Ethernet tamb\u00e9m tornou poss\u00edvel o funcionamento da internet. A internet \u00e9 essencialmente uma enorme rede de redes conectadas atrav\u00e9s do Ethernet e de outras tecnologias de redes. Sem o Ethernet, a internet como a conhecemos hoje n\u00e3o existiria.<\/p><p>Al\u00e9m de seu impacto nas redes LAN e na internet, o Ethernet tamb\u00e9m influenciou outras tecnologias de redes. Por exemplo, o Wi-Fi, que \u00e9 uma tecnologia de redes sem fio, \u00e9 baseado no Ethernet. O Wi-Fi utiliza ondas de r\u00e1dio em vez de cabos para transmitir dados, mas a tecnologia subjacente ainda \u00e9 o Ethernet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8e65df elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d8e65df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdebec1 elementor-widget elementor-widget-heading\" data-id=\"bdebec1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Como o 802.3 Ethernet \u00e9 usado atualmente?<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9dbb640 elementor-widget elementor-widget-text-editor\" data-id=\"9dbb640\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O Ethernet costumava ser usado principalmente em escrit\u00f3rios e institui\u00e7\u00f5es educacionais. Hoje em dia, \u00e9 uma maneira muito popular de conectar computadores e diversos outros dispositivos. Nos \u00faltimos anos, o Ethernet tornou-se ainda mais popular. A demanda por redes com fio em vez de sem fio est\u00e1 aumentando, e o Ethernet Gigabit est\u00e1 se tornando cada vez mais comum. Para aqueles que precisam de largura de banda de rede elevada, o Ethernet Gigabit \u00e9 uma excelente op\u00e7\u00e3o, pois \u00e9 muito mais r\u00e1pido e permite conectar mais dispositivos do que o Ethernet normal.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37eb8bb elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"37eb8bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0caa944 elementor-widget elementor-widget-heading\" data-id=\"0caa944\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">FAQ sobre Ethernet<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ef8147 elementor-widget elementor-widget-heading\" data-id=\"1ef8147\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">O que \u00e9 o IEEE 802.3 Ethernet?<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc0977c elementor-widget elementor-widget-text-editor\" data-id=\"dc0977c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O IEEE 80-2.3 (Ethernet) \u00e9 um protocolo de LAN que permite que computadores se comuniquem entre si atrav\u00e9s de uma conex\u00e3o com fio. \u00c9 o tipo mais comum de rede utilizado em resid\u00eancias e escrit\u00f3rios e \u00e9 usado para conectar servidores. Os cabos Ethernet s\u00e3o respons\u00e1veis por transmitir dados entre dois pontos atrav\u00e9s de sinais el\u00e9tricos. Os cabos Ethernet geralmente s\u00e3o de cor amarela e possuem um conector RJ-45 ou RJ-48 em cada extremidade. As redes Ethernet podem ser conectadas por cabo, mas s\u00e3o mais comumente conectadas sem fio. A velocidade padr\u00e3o da conex\u00e3o Ethernet \u00e9 de 10 Mbit\/s, mas equipamentos de rede mais avan\u00e7ados foram desenvolvidos para aumentar a velocidade das conex\u00f5es Ethernet. <a href=\"\/pt\/what-is-ethernet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Saiba mais sobre a tecnologia Ethernet.<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04a0606 elementor-widget elementor-widget-image\" data-id=\"04a0606\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/enableit.com\/pt\/ethernet-cable-types-explained\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1280\" height=\"183\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-Cable-How-to-Choose-the-right-Type.webp\" class=\"attachment-large size-large wp-image-42471\" alt=\"Cabo Ethernet comprovado \u2013 Como escolher o tipo certo\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-Cable-How-to-Choose-the-right-Type.webp 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-Cable-How-to-Choose-the-right-Type-300x43.webp 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-Cable-How-to-Choose-the-right-Type-768x110.webp 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-Cable-How-to-Choose-the-right-Type-500x71.webp 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-Cable-How-to-Choose-the-right-Type-150x21.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Ethernet-Cable-How-to-Choose-the-right-Type-64x9.webp 64w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" title=\"\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a3d37f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2a3d37f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-955d4a5 elementor-widget elementor-widget-heading\" data-id=\"955d4a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">O que \u00e9 o Ethernet?<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d91914b elementor-widget elementor-widget-text-editor\" data-id=\"d91914b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O Ethernet \u00e9 utilizado para conectar dispositivos a uma rede local (LAN) ou uma rede de \u00e1rea ampla (WAN). O Ethernet \u00e9 uma tecnologia vers\u00e1til que pode ser utilizada para diversas aplica\u00e7\u00f5es. \u00c9 comumente utilizado para conectar computadores, mas tamb\u00e9m pode ser utilizado para dispositivos que n\u00e3o sejam computadores.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf20762 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"cf20762\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28c4ef0 elementor-widget elementor-widget-heading\" data-id=\"28c4ef0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Qual \u00e9 melhor: Ethernet ou Wi-Fi?<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4953f9 elementor-widget elementor-widget-text-editor\" data-id=\"a4953f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O Ethernet geralmente supera o Wi-Fi em velocidade e confiabilidade porque conecta diretamente cada dispositivo com um cabo, o que reduz a interfer\u00eancia e garante que o sinal n\u00e3o perca velocidade e dados durante a transmiss\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-445f31e elementor-widget elementor-widget-text-editor\" data-id=\"445f31e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O advento do Ethernet trouxe um impacto transformador na comunica\u00e7\u00e3o, compartilhamento de dados e conectividade. Concebido por Bob Metcalfe no in\u00edcio da d\u00e9cada de 1970, o Ethernet \u00e9 o elemento fundamental das redes de \u00e1rea local (LAN) contempor\u00e2neas. Sua import\u00e2ncia na comunica\u00e7\u00e3o moderna n\u00e3o pode ser subestimada, pois permite a transmiss\u00e3o r\u00e1pida de dados e facilita a colabora\u00e7\u00e3o perfeita em diversos projetos. A exist\u00eancia da internet de hoje deve muito \u00e0 exist\u00eancia do Ethernet. Em resposta \u00e0s demandas crescentes em termos de redes, o Ethernet continua evoluindo, com avan\u00e7os cont\u00ednuos em padr\u00f5es e tecnologias.<\/p><p>Sem d\u00favida, o Ethernet emergiu como uma inven\u00e7\u00e3o fundamental com aplica\u00e7\u00f5es difundidas tanto no \u00e2mbito pessoal quanto no profissional. Portanto, \u00e9 crucial aprofundar-se nos origens hist\u00f3ricos do Ethernet e compreender sua trajet\u00f3ria at\u00e9 a tecnologia atual em que nos baseamos. \u00c9 igualmente importante compreender como o Ethernet funciona e como ele pode ser integrado aos cen\u00e1rios da vida cotidiana.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e70452a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"e70452a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-878c019 elementor-widget elementor-widget-image\" data-id=\"878c019\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/enableit.com\/pt\/sobre-como-habilita-lo\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"222\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/About-Enable-IT-the-Brand.webp\" class=\"attachment-large size-large wp-image-42464\" alt=\"Sobre o Enable-IT: O Banner da Marca\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/About-Enable-IT-the-Brand.webp 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/About-Enable-IT-the-Brand-300x52.webp 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/About-Enable-IT-the-Brand-768x133.webp 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/About-Enable-IT-the-Brand-500x87.webp 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/About-Enable-IT-the-Brand-150x26.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/About-Enable-IT-the-Brand-64x11.webp 64w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" title=\"\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-294efcc elementor-widget elementor-widget-heading\" data-id=\"294efcc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-medium\">Pro longo qualquer cabo Ethernet al\u00e9m dos limites com as solu\u00e7\u00f5es Enable-IT !<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8d2b9d elementor-widget elementor-widget-text-editor\" data-id=\"f8d2b9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O benef\u00edcio de comprar um Extensor Ethernet a partir de <a href=\"https:\/\/ethernetextender.com\/why-use-ethernet-extenders\/\" target=\"_blank\" rel=\"noopener\">Enable-IT<\/a> porque nosso equipamento aproveita os sinais de telecomunica\u00e7\u00f5es de alta taxa de transfer\u00eancia atrav\u00e9s de qualquer cabo \u2013 incluindo coaxio, cerca de arame farpado, etc. Possibilita dist\u00e2ncias sem precedentes no mercado. Existem <a href=\"https:\/\/enableit.com\/pt\/extensor-de-ethernet\/\">Solu\u00e7\u00f5es de Extensores Ethernet<\/a> dispon\u00edvel, que pode ampliar esse limite de dist\u00e2ncia para 9.000 p\u00e9s ou 2.743 m.<\/p><p>As aplica\u00e7\u00f5es da ind\u00fastria s\u00e3o infinitas \u2013 j\u00e1 que todos necessitam de redes Ethernet por per\u00edodos mais longos ao longo da vida \u00fatil, e mais cedo ou mais tarde essa necessidade surgir\u00e1 e estamos prontos para ajud\u00e1-lo a selecionar a solu\u00e7\u00e3o ideal.<\/p><p>Entre os clientes da Diversa Industry est\u00e3o o Ex\u00e9rcito dos EUA, do Reino Unido e do Canad\u00e1; a NASA; fabricantes de produtos aeroespaciais; <a href=\"\/pt\/infraestrutura-nautica\/\">Infraestrutura Navais<\/a> (Marinas, iates de luxo, navios de cruzeiro, instala\u00e7\u00f5es portu\u00e1rias, frota nuclear dos EUA, etc.); <a href=\"https:\/\/enableit.com\/pt\/seguranca-por-videomonitoramento\/\">Peritos em Vigil\u00e2ncia por V\u00eddeo e Seguran\u00e7a<\/a>; Avan\u00e7ado <a href=\"https:\/\/enableit.com\/pt\/telecomunicacoes\/\">Empresas de telecomunica\u00e7\u00f5es<\/a>; <a href=\"https:\/\/enableit.com\/pt\/mineracao\/\">Minera\u00e7\u00e3o extrema<\/a> Operadores; Global <a href=\"https:\/\/enableit.com\/pt\/construction\/\">Empresas de constru\u00e7\u00e3o<\/a>; Comercial <a href=\"https:\/\/enableit.com\/pt\/agricultura\/\">Empresas do setor agr\u00edcola<\/a>; principal <a href=\"https:\/\/enableit.com\/pt\/saude\/\">Fornecedores de cuidados de sa\u00fade<\/a>; Em direto <a href=\"https:\/\/enableit.com\/pt\/entretenimento\/\">Entretenimento<\/a>, <a href=\"https:\/\/enableit.com\/pt\/live-action-sports-broadcasting-empowerment-unleashed\/\">Transmiss\u00e3o de televis\u00e3o<\/a>, e ag\u00eancias de not\u00edcias; Extremas <a href=\"https:\/\/enableit.com\/pt\/retail-point-of-sale-pos\/\">Organiza\u00e7\u00f5es de varejo\/POS<\/a>; Dist\u00e2ncia longa <a href=\"https:\/\/enableit.com\/pt\/educacao\/\">Empresas de Educa\u00e7\u00e3o<\/a>; Internacional <a href=\"https:\/\/enableit.com\/pt\/hospitalidade\/\">Empresas de hospitalidade<\/a>; <a href=\"https:\/\/enableit.com\/pt\/solucoes-de-elevadores\/\">Fabricantes de elevadores<\/a>, <a href=\"https:\/\/enableit.com\/pt\/solucoes-de-sinalizacao-digital\/\">Digital Signage<\/a> e <a href=\"\/pt\/por-que-habilita-lo\/\">muito mais<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ce0858 elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-widget elementor-widget-posts\" data-id=\"4ce0858\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_masonry&quot;:&quot;yes&quot;,&quot;classic_columns&quot;:&quot;3&quot;,&quot;classic_columns_tablet&quot;:&quot;2&quot;,&quot;classic_columns_mobile&quot;:&quot;1&quot;,&quot;classic_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;classic_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;classic_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-classic elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-62954 post type-post status-publish format-standard has-post-thumbnail hentry category-customerr-case-studies category-news category-industry-specific-solutions\" 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target=\"_blank\">\n\t\t\tLer mais \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-62323 post type-post status-publish format-standard has-post-thumbnail hentry category-news category-power-over-ethernet-poe-extender-solutions\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/enableit.com\/pt\/passive-poe\/\" tabindex=\"-1\">\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"150\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2026\/09\/In-Depth-Look-At-Power-Over-Ethernet-200x150.webp\" class=\"attachment-thumbnail size-thumbnail wp-image-62311\" alt=\"Uma vis\u00e3o detalhada sobre o Power Over Ethernet (PoE)\" title=\"\"><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a 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