{"id":48745,"date":"2024-10-30T07:32:21","date_gmt":"2024-10-30T14:32:21","guid":{"rendered":"https:\/\/enableit.com\/?p=48745"},"modified":"2026-09-11T14:54:30","modified_gmt":"2026-09-11T21:54:30","slug":"poe-ativo-vs-poe-passivo","status":"publish","type":"post","link":"https:\/\/enableit.com\/pt\/active-poe-vs-passive-poe\/","title":{"rendered":"PoE Ativo \u2013 PoE Passivo \u2013 Principais Insights para Maximizar a Efici\u00eancia da Sua Rede"},"content":{"rendered":"<div class=\"product\"><div class=\"product\">\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"48745\" class=\"elementor elementor-48745\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a747325 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a747325\" 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-96f4dd6\" data-id=\"96f4dd6\" 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-ba97bca elementor-widget elementor-widget-text-editor\" data-id=\"ba97bca\" 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 class=\"p1\">No mundo conectado de hoje, a tecnologia Power over Ethernet (PoE) desempenha um papel fundamental na simplifica\u00e7\u00e3o do implanta\u00e7\u00e3o de dispositivos de rede, como c\u00e2meras IP, pontos de acesso sem fio e telefones VoIP. Ao fornecer tanto energia quanto dados por meio de um \u00fanico cabo Ethernet, a PoE elimina a necessidade de cabos adicionais de energia, agilizando as instala\u00e7\u00f5es e reduzindo os custos. No entanto, nem todos os sistemas PoE s\u00e3o iguais \u2014 existem duas principais categorias: <b>PoE ativo<\/b> e <b>PoE Passivo<\/b>. Entender as diferen\u00e7as entre eles \u00e9 fundamental para escolher a solu\u00e7\u00e3o certa de acordo com suas necessidades espec\u00edficas.<\/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-a8fb8c4 elementor-widget elementor-widget-image\" data-id=\"a8fb8c4\" 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\/the-advantages-of-power-over-ethernet\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1280\" height=\"224\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-PoE.webp\" class=\"attachment-large size-large wp-image-42463\" alt=\"Uma vis\u00e3o detalhada sobre o Power Over Ethernet (PoE) Banner\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-PoE.webp 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-PoE-300x53.webp 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-PoE-768x134.webp 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-PoE-500x88.webp 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-PoE-150x26.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-PoE-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-4683332 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4683332\" 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-e30e399 elementor-widget elementor-widget-heading\" data-id=\"e30e399\" 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\">O que \u00e9 o Power over Ethernet (PoE)?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-189677b elementor-widget elementor-widget-text-editor\" data-id=\"189677b\" 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 class=\"p1\">O PoE funciona utilizando cabos Ethernet de par tran\u00e7ado padr\u00e3o, que normalmente consistem em quatro pares de fios (oito fios individuais). Dois desses pares s\u00e3o utilizados para transmiss\u00e3o de dados, enquanto os dois restantes podem ser utilizados para alimenta\u00e7\u00e3o el\u00e9trica. Dependendo do padr\u00e3o PoE, a energia pode ser fornecida atrav\u00e9s dos mesmos pares utilizados para transmiss\u00e3o de dados ou atrav\u00e9s dos pares adicionais.<\/p><ul class=\"ul1\"><li class=\"li2\"><b><\/b><em><b>Transmiss\u00e3o de Dados<\/b>:<\/em> Os cabos Ethernet transmitem dados com taxas de 100 Mbps, 1 Gbps ou mais, dependendo do tipo de cabo e da infraestrutura da rede.<\/li><li class=\"li2\"><b><\/b><em><b>Power Delivery<\/b>:<\/em> Atrav\u00e9s do PoE, a energia \u00e9 transmitida ao longo do cabo de forma que n\u00e3o interfira na transmiss\u00e3o de dados. A quantidade de energia entregue pode variar de alguns watts a at\u00e9 100 watts, dependendo do padr\u00e3o PoE utilizado.<\/li><\/ul><p class=\"p3\"><span style=\"text-decoration: underline;\"><b>Componentes-chave do PoE<\/b><\/span><\/p><p class=\"p1\">Para que o PoE funcione, s\u00e3o necess\u00e1rios v\u00e1rios componentes:<\/p><ol class=\"ol1\"><li class=\"li1\"><b><\/b><em><b>Equipamento de fonte de alimenta\u00e7\u00e3o (PSE)<\/b>:<\/em> Este \u00e9 o dispositivo que fornece energia atrav\u00e9s do cabo Ethernet. Os tipos comuns de PSEs incluem switches de rede com suporte ao PoE, inje\u00e7\u00f5es ou dispositivos de meio-ponto. Esses dispositivos s\u00e3o respons\u00e1veis por fornecer a tens\u00e3o e a corrente corretas para alimentar os dispositivos conectados.<\/li><li class=\"li1\"><b><\/b><em><b>Dispositivo alimentado (PD)<\/b>:<\/em> S\u00e3o os dispositivos finais que recebem energia atrav\u00e9s do cabo Ethernet, como c\u00e2meras IP, pontos de acesso sem fio, telefones VoIP e outros equipamentos conectados \u00e0 rede. Os PDs possuem uma porta Ethernet compat\u00edvel com PoE que permite que eles recebam energia sem a necessidade de um adaptador de energia separado.<\/li><\/ol><p class=\"p3\"><span style=\"text-decoration: underline;\"><b>Padr\u00f5es de PoE<\/b><\/span><\/p><p class=\"p1\">Com o tempo, o PoE evoluiu com diferentes padr\u00f5es que definem a quantidade de energia que pode ser transmitida atrav\u00e9s de cabos Ethernet. Os padr\u00f5es de PoE mais comuns incluem:<\/p><ul class=\"ul1\"><li class=\"li1\"><b><\/b><em><b>IEEE 802.3af (PoE)<\/b>:<\/em> Introduzido em 2003, este padr\u00e3o fornece at\u00e9 15,4 W de pot\u00eancia, tornando-o adequado para dispositivos com baixo consumo de energia, como telefones IP e pontos de acesso sem fio b\u00e1sicos.<\/li><li class=\"li1\"><b><\/b><em><b>IEEE 802.3at (PoE+)<\/b>:<\/em> Criado em 2009, este padr\u00e3o aumenta a pot\u00eancia de entrega para 25,5 W, permitindo que ele suporte dispositivos com requisitos de pot\u00eancia mais elevados, como pontos de acesso sem fio mais avan\u00e7ados ou c\u00e2meras de seguran\u00e7a com fun\u00e7\u00e3o de pan-tilt-zoom (PTZ).<\/li><li class=\"li1\"><b><\/b><em><b>IEEE 802.3bt (PoE++)<\/b>:<\/em> Introduzido em 2018, este padr\u00e3o aumenta ainda mais a pot\u00eancia dispon\u00edvel para os dispositivos, com duas variantes: Tipo 3 (at\u00e9 60W) e Tipo 4 (at\u00e9 100W). Estes n\u00edveis de pot\u00eancia mais elevados tornam o PoE++ adequado para dispositivos como sistemas de ilumina\u00e7\u00e3o LED, c\u00e2meras PTZ de alto desempenho e at\u00e9 mesmo computadores ou monitores de pequeno porte.<\/li><\/ul>\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-c782720 elementor-widget elementor-widget-image\" data-id=\"c782720\" 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\/poe-vs-poe-vs-passive-poe\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1131\" height=\"277\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Difference-Between-Varying-Types-Of-PoE-PoE-POE-And-Passive-PoE-Banner.png\" class=\"attachment-large size-large wp-image-42618\" alt=\"A diferen\u00e7a entre os diferentes tipos de PoE, PoE+, POE++ e PoE Passivo\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Difference-Between-Varying-Types-Of-PoE-PoE-POE-And-Passive-PoE-Banner.png 1131w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Difference-Between-Varying-Types-Of-PoE-PoE-POE-And-Passive-PoE-Banner-300x73.png 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Difference-Between-Varying-Types-Of-PoE-PoE-POE-And-Passive-PoE-Banner-768x188.png 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Difference-Between-Varying-Types-Of-PoE-PoE-POE-And-Passive-PoE-Banner-500x122.png 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Difference-Between-Varying-Types-Of-PoE-PoE-POE-And-Passive-PoE-Banner-150x37.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Difference-Between-Varying-Types-Of-PoE-PoE-POE-And-Passive-PoE-Banner-64x16.webp 64w\" sizes=\"(max-width: 1131px) 100vw, 1131px\" 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-488b0a4 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"488b0a4\" 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-3c864a9 elementor-widget elementor-widget-heading\" data-id=\"3c864a9\" 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\">Como a energia \u00e9 entregue atrav\u00e9s do Ethernet<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f6a3fb8 elementor-widget elementor-widget-text-editor\" data-id=\"f6a3fb8\" 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 class=\"p1\">Os cabos Ethernet consistem em oito fios (quatro pares torcidos). No caso do PoE, a energia pode ser transmitida atrav\u00e9s de dois desses pares de uma das seguintes maneiras:<\/p><ul class=\"ul1\"><li class=\"li2\"><b><\/b><em><b>Modo A (Endspan)<\/b>:<\/em> Neste modo, a energia \u00e9 transmitida atrav\u00e9s dos mesmos fios utilizados para a transmiss\u00e3o de dados (pinos 1, 2, 3 e 6). Este m\u00e9todo \u00e9 comumente utilizado por switches PoE, onde a energia vem do pr\u00f3prio switch.<\/li><li class=\"li2\"><b><\/b><em><b>Modo B (Midspan)<\/b>:<\/em> Aqui, a energia \u00e9 fornecida atrav\u00e9s dos pares livres que n\u00e3o s\u00e3o utilizados para transmiss\u00e3o de dados (pinos 4, 5, 7 e 8). Isso \u00e9 frequentemente utilizado em inje\u00e7\u00f5es de meio espelho que adicionam funcionalidade PoE a switches de rede que n\u00e3o utilizam PoE.<\/li><\/ul><p class=\"p3\"><span style=\"text-decoration: underline;\"><b>Classes de alimenta\u00e7\u00e3o PoE<\/b><\/span><\/p><p class=\"p1\">Para gerenciar melhor a distribui\u00e7\u00e3o de energia, os padr\u00f5es PoE definem diferentes \u201cclasses de pot\u00eancia\u201d, que categorizam as necessidades de energia dos dispositivos conectados. Essas classes ajudam a garantir que os dispositivos recebam a quantidade adequada de energia, evitando, ao mesmo tempo, sobrecarregar a fonte de alimenta\u00e7\u00e3o externa (PSE). Por exemplo:<\/p><ul class=\"ul1\"><li class=\"li2\"><b><\/b><em><b>Classe 0<\/b>:<\/em> Classe padr\u00e3o, at\u00e9 15,4 W (PoE)<\/li><li class=\"li2\"><b><\/b><em><b>Classe 1<\/b>:<\/em> Dispositivos de baixa pot\u00eancia, at\u00e9 4 W<\/li><li class=\"li2\"><b><\/b><em><b>Classe 2<\/b>:<\/em> Dispositivos de baixa pot\u00eancia, at\u00e9 7W<\/li><li class=\"li2\"><b><\/b><em><b>Classe 3<\/b>:<\/em> Dispositivos de pot\u00eancia m\u00e9dia, at\u00e9 15,4 W (PoE)<\/li><li class=\"li2\"><b><\/b><em><b>Classe 4<\/b>:<\/em> Dispositivos de pot\u00eancia superior, at\u00e9 25,5 W (PoE+)<\/li><li class=\"li2\"><b><\/b><em><b>Classes 5 e 6<\/b>:<\/em> At\u00e9 60W e 100W, respetivamente (PoE++)<\/li><\/ul>\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-6e993ee elementor-widget elementor-widget-image\" data-id=\"6e993ee\" 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-b50e029 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b50e029\" 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-a35ee83 elementor-widget elementor-widget-heading\" data-id=\"a35ee83\" 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\">O que \u00e9 o PoE Ativo?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-701edfb elementor-widget elementor-widget-text-editor\" data-id=\"701edfb\" 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 class=\"p1\"><b>Pot\u00eancia ativa via Ethernet (PoE)<\/b> refere-se a um m\u00e9todo padronizado de fornecimento de energia el\u00e9trica atrav\u00e9s de cabos Ethernet para dispositivos de rede, de acordo com os padr\u00f5es IEEE 802.3af\/at\/bt. Esses padr\u00f5es definem como a energia \u00e9 distribu\u00edda de forma segura e eficiente atrav\u00e9s dos cabos Ethernet, garantindo compatibilidade entre o Equipamento de Fonte de Energia (PSE) e os Dispositivos Alimentados (PD). O PoE ativo \u00e9 comumente utilizado em ambientes profissionais e comerciais onde a confiabilidade, seguran\u00e7a e regula\u00e7\u00e3o de energia s\u00e3o essenciais.<\/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-56eb532 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"56eb532\" 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-aa94e36 elementor-widget elementor-widget-heading\" data-id=\"aa94e36\" 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\">Como funciona o PoE ativo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6907538 elementor-widget elementor-widget-text-editor\" data-id=\"6907538\" 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 class=\"p1\">O PoE ativo funciona atrav\u00e9s do uso de um processo conhecido como <b>Negocia\u00e7\u00e3o de poder<\/b>, O processo de alimenta\u00e7\u00e3o de energia \u00e9 realizado por meio de um \u201chandshake\u201d entre o PSE (como um switch ou injector PoE) e o PD (como uma c\u00e2mera IP ou ponto de acesso). Veja como isso funciona:<\/p><ol class=\"ol1\"><li class=\"li1\"><b><\/b><em><b>Detec\u00e7\u00e3o inicial<\/b>:<\/em> Quando um PSE com tecnologia PoE \u00e9 conectado a um dispositivo via Ethernet, ele emite um pequeno fluxo de corrente de teste (geralmente de 2 a 10 volts) para verificar se o dispositivo conectado suporta o PoE. Esta fase de detec\u00e7\u00e3o evita que o PSE forne\u00e7a toda a pot\u00eancia ao dispositivo n\u00e3o compat\u00edvel com PoE, o que poderia causar danos.<\/li><li class=\"li1\"><b><\/b><em><b>Classifica\u00e7\u00e3o<\/b>:<\/em> Se o dispositivo conectado for compat\u00edvel com PoE, o PSE identifica as suas necessidades de energia. Os dispositivos PoE s\u00e3o classificados em diferentes classes de pot\u00eancia (que variam de Class 0 a Class 6), dependendo das suas necessidades de consumo de energia. Com base nessa classifica\u00e7\u00e3o, o PSE determina a quantidade de energia a ser enviada ao dispositivo.<\/li><li class=\"li1\"><b><\/b><em><b>Power Delivery<\/b>:<\/em> Uma vez estabelecida a classe de pot\u00eancia correta, o PSE come\u00e7a a fornecer energia com a voltagem e pot\u00eancia exigidas. A pot\u00eancia fornecida atrav\u00e9s do PoE Ativo varia tipicamente entre 44 e 57 volts. Se o dispositivo precisar de menos pot\u00eancia do que a m\u00e1xima dispon\u00edvel, o PSE ajustar\u00e1 a sa\u00edda de pot\u00eancia de acordo.<\/li><li class=\"li1\"><b><\/b><em><b>Monitoramento e Prote\u00e7\u00e3o<\/b>:<\/em> Os sistemas PoE ativos monitoram continuamente a entrega de energia para garantir que ela permane\u00e7a est\u00e1vel e dentro dos requisitos operacionais do dispositivo. Caso sejam detectadas quaisquer irregularidades ou falhas (como curto-circuito ou sobrecarga de energia), o PSE ir\u00e1 automaticamente desligar a fonte de alimenta\u00e7\u00e3o para proteger o dispositivo e a infraestrutura de rede.<\/li><\/ol>\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-8de9be2 elementor-widget elementor-widget-image\" data-id=\"8de9be2\" 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\/poe-in-medical-devices\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"189\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-1280x189.jpg\" class=\"attachment-large size-large wp-image-48753\" alt=\"Inova\u00e7\u00e3o no campo do PoE em dispositivos m\u00e9dicos com a EnableIT 2024 banner\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-1280x189.jpg 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-300x44.jpg 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-768x113.jpg 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-1536x227.jpg 1536w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-2048x302.jpg 2048w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-500x74.jpg 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-150x22.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Breakthrough-PoE-In-Medical-Devices-By-EnableIT-2024-banner-64x9.jpg 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-0264072 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0264072\" 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-3093e32 elementor-widget elementor-widget-heading\" data-id=\"3093e32\" 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\">Tipos de PoE ativo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ed604f elementor-widget elementor-widget-text-editor\" data-id=\"0ed604f\" 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 class=\"p1\">Existem tr\u00eas padr\u00f5es principais dentro do Active PoE, cada um definindo um intervalo de pot\u00eancia e um caso de uso espec\u00edfico:<\/p><p><em><b>1. IEEE 802.3af (PoE)<\/b>:<\/em><\/p><ul><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li2\">Lan\u00e7ado em 2003, este padr\u00e3o fornece at\u00e9 15,4 watts de pot\u00eancia aos dispositivos conectados.<\/li><li class=\"li2\">Utiliza cabos Ethernet Cat5 ou superiores para fornecer energia a dist\u00e2ncias de at\u00e9 100 metros (328 p\u00e9s).<\/li><li class=\"li2\">Algumas aplica\u00e7\u00f5es comuns incluem telefones IP, pontos de acesso sem fio b\u00e1sicos e c\u00e2meras IP simples com funcionalidades limitadas.<\/li><\/ul><\/li><\/ul><p><em><b>2. IEEE 802.3at (PoE+)<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li2\">Introduzido em 2009, o PoE+ fornece at\u00e9 25,5 watts de pot\u00eancia aos dispositivos, o que \u00e9 necess\u00e1rio para equipamentos mais exigentes.<\/li><li class=\"li2\">Al\u00e9m disso, utiliza cabos Cat5 ou superiores e suporta dist\u00e2ncias de at\u00e9 100 metros.<\/li><li class=\"li2\">O PoE+ \u00e9 comumente utilizado em dispositivos como c\u00e2meras IP avan\u00e7adas com recursos de pan-tilt-zoom (PTZ), pontos de acesso sem fio de alto desempenho e telefones com v\u00eddeo.<\/li><\/ul><\/li><\/ol><p><em><b>3. IEEE 802.3bt (PoE++)<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li2\">O padr\u00e3o mais recente, estabelecido em 2018, PoE++ amplia as capacidades de alimenta\u00e7\u00e3o para at\u00e9 60 watts (Tipo 3) ou 100 watts (Tipo 4), dependendo do dispositivo.<\/li><li class=\"li2\">O PoE++ \u00e9 particularmente \u00fatil para dispositivos de alta pot\u00eancia, como sistemas de ilumina\u00e7\u00e3o LED, sinaliza\u00e7\u00e3o digital, laptops, pontos de acesso de alta pot\u00eancia e at\u00e9 mesmo alguns equipamentos industriais.<\/li><li class=\"li2\">Este padr\u00e3o utiliza todos os quatro pares de fios torcidos em um cabo Ethernet para fornecer energia de forma eficiente em dist\u00e2ncias longas.<\/li><\/ul><\/li><\/ol>\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-938cb3c elementor-widget elementor-widget-image\" data-id=\"938cb3c\" 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\/extensor-de-poe-industrial\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"179\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner-1280x179.jpg\" class=\"attachment-large size-large wp-image-42822\" alt=\"Extensor de PoE Industrial Gigabit at\u00e9 4.000 p\u00e9s Banner\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner-1280x179.jpg 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner-300x42.jpg 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner-768x107.jpg 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner-1536x215.jpg 1536w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner-500x70.jpg 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner-150x21.jpg 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner-64x9.webp 64w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Industrial-Gigabit-PoE-Extender-To-4000FT-Banner.jpg 2048w\" 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-a1de3a2 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a1de3a2\" 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-8baa446 elementor-widget elementor-widget-heading\" data-id=\"8baa446\" 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\">Aplica\u00e7\u00f5es do PoE ativo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2fd20d elementor-widget elementor-widget-text-editor\" data-id=\"f2fd20d\" 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 class=\"p1\">O PoE ativo \u00e9 utilizado em diversas ind\u00fastrias e cen\u00e1rios em que \u00e9 necess\u00e1ria a entrega confi\u00e1vel de energia e a transmiss\u00e3o de dados. Alguns casos de uso comuns incluem:<\/p><ul class=\"ul1\"><li class=\"li1\"><b><\/b><em><b>Redes empresariais<\/b>:<\/em> As empresas utilizam o Active PoE para implementar telefones IP, pontos de acesso sem fio e outros dispositivos de rede em toda a empresa, sem a necessidade de infraestrutura el\u00e9trica adicional.<\/li><li class=\"li1\"><b><\/b><em><b>Sistemas de vigil\u00e2ncia<\/b>:<\/em> Nos sistemas de seguran\u00e7a, o PoE Ativo fornece energia \u00e0s c\u00e2meras IP, incluindo modelos PTZ de alto desempenho, garantindo opera\u00e7\u00e3o confi\u00e1vel e capacidades de controle remoto.<\/li><li class=\"li1\"><b><\/b><em><b>Sa\u00fade<\/b>:<\/em> Os hospitais utilizam o PoE para dispositivos m\u00e9dicos, monitores em rede e sistemas de comunica\u00e7\u00e3o, onde a entrega de energia consistente e a seguran\u00e7a s\u00e3o essenciais.<\/li><li class=\"li1\"><b><\/b><em><b>Edif\u00edcios inteligentes<\/b>:<\/em> O PoE fornece energia para sistemas de ilumina\u00e7\u00e3o LED, sensores de controle clim\u00e1tico e outros dispositivos IoT em edif\u00edcios inteligentes, permitindo uma gest\u00e3o centralizada da energia e melhorias na efici\u00eancia.<\/li><li class=\"li1\"><b><\/b><em><b>Espa\u00e7os P\u00fablicos<\/b>:<\/em> Em ambientes como aeroportos, hot\u00e9is e escolas, o PoE \u00e9 utilizado para alimentar sinaliza\u00e7\u00e3o digital, quiosques interativos e pontos de acesso Wi-Fi, reduzindo a necessidade de fontes de energia locais.<\/li><\/ul>\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-5812a6f elementor-widget elementor-widget-image\" data-id=\"5812a6f\" 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\/how-poe-ip-cameras-can-help-business\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"217\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-1280x217.jpg\" class=\"attachment-large size-large wp-image-48754\" alt=\"Como as c\u00e2meras IP PoE podem ajudar as empresas a se sentirem mais seguras e protegidas\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-1280x217.jpg 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-300x51.jpg 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-768x130.jpg 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-1536x261.jpg 1536w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-2048x348.jpg 2048w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-500x85.jpg 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-150x25.jpg 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/How-PoE-IP-Cameras-Can-Help-Business-Feel-Safer-Secure-banner-64x11.jpg 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-189d6d8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"189d6d8\" 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-9a396ea elementor-widget elementor-widget-heading\" data-id=\"9a396ea\" 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\">O que \u00e9 o PoE Passivo?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60a305e elementor-widget elementor-widget-text-editor\" data-id=\"60a305e\" 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 class=\"p1\"><b>Pot\u00eancia passiva via Ethernet (PoE)<\/b> \u00e9 um m\u00e9todo de entrega de energia atrav\u00e9s de cabos Ethernet sem aderir aos protocolos de negocia\u00e7\u00e3o de energia padronizados definidos pelos padr\u00f5es IEEE 802.3af\/at\/bt. Ao contr\u00e1rio do PoE ativo, o PoE passivo n\u00e3o detecta automaticamente e ajusta a tens\u00e3o ou os requisitos de energia do dispositivo conectado. Em vez disso, fornece uma tens\u00e3o fixa (normalmente 24V ou 48V) independentemente das necessidades de energia do dispositivo.<\/p><p class=\"p1\">Embora a tecnologia PoE Passiva possa ser uma op\u00e7\u00e3o mais econ\u00f4mica e simples para alimentar dispositivos, ela apresenta limita\u00e7\u00f5es e riscos, especialmente em termos de seguran\u00e7a e compatibilidade com os dispositivos.<\/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-262bd71 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"262bd71\" 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-73c04fd elementor-widget elementor-widget-heading\" data-id=\"73c04fd\" 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\">Como funciona o PoE Passivo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ccf6c0d elementor-widget elementor-widget-text-editor\" data-id=\"ccf6c0d\" 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 class=\"p1\">O PoE passivo funciona ao fornecer uma tens\u00e3o constante e pr\u00e9-definida atrav\u00e9s de um cabo Ethernet para alimentar os dispositivos. Isso significa que n\u00e3o h\u00e1 fase de negocia\u00e7\u00e3o ou detec\u00e7\u00e3o de energia entre o Equipamento de Fonte de Energia (PSE) e o Dispositivo Alimentado (PD), como acontece com o PoE ativo. Como resultado, o PoE passivo baseia-se no pressuposto de que o dispositivo conectado foi projetado para aceitar a tens\u00e3o espec\u00edfica fornecida.<\/p><ul class=\"ul1\"><li class=\"li1\"><b><\/b><em><b>Sem detec\u00e7\u00e3o de energia<\/b>:<\/em> Nos sistemas de PoE passivo, o PSE fornece energia imediatamente ap\u00f3s a conex\u00e3o do dispositivo, independentemente de este ser capaz de lidar com essa pot\u00eancia. Essa aus\u00eancia de uma primeira comunica\u00e7\u00e3o ou classifica\u00e7\u00e3o de energia significa que o uso inadequado pode causar danos ou falhas no dispositivo, caso seja conectado um dispositivo n\u00e3o compat\u00edvel com PoE ou um que requeira uma tens\u00e3o diferente.<\/li><li class=\"li1\"><b><\/b><em><b>Entrega de tens\u00e3o fixa<\/b>:<\/em> O PoE passivo normalmente fornece energia com um voltagem fixo, geralmente 24V ou 48V. Isso contrasta com o PoE ativo, que pode fornecer voltagens vari\u00e1veis dentro de um intervalo (44-57V), dependendo das necessidades do dispositivo.<\/li><li class=\"li1\"><b><\/b><em><b>Transmiss\u00e3o de energia simplificada<\/b>:<\/em> Como o PoE Passivo n\u00e3o possui as funcionalidades avan\u00e7adas de negocia\u00e7\u00e3o e prote\u00e7\u00e3o encontradas no PoE Ativo, os componentes s\u00e3o mais simples e frequentemente mais baratos. Os inje\u00e7\u00e3ores de energia ou PSE usados nos sistemas PoE Passivo geralmente possuem menos verifica\u00e7\u00f5es de seguran\u00e7a internas ou mecanismos de controle, reduzindo a complexidade e os custos.<\/li><\/ul>\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-2f5bb27 elementor-widget elementor-widget-image\" data-id=\"2f5bb27\" 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\/extensor-impermeavel-ip68\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"206\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-1280x206.jpg\" class=\"attachment-large size-large wp-image-43094\" alt=\"Extensores Ethernet e PoE \u00e0 prova d&#039;\u00e1gua com classifica\u00e7\u00e3o IP68\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-1280x206.jpg 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-300x48.jpg 300w, https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-768x124.jpg 768w, https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-1536x247.jpg 1536w, https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-2048x330.jpg 2048w, https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-500x81.jpg 500w, https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-150x24.jpg 150w, https:\/\/enableit.com\/wp-content\/uploads\/2021\/09\/Waterproof-IP68-Rated-Ethernet-PoE-Extenders-Banner-64x10.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-3a87582 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3a87582\" 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-ff7506e elementor-widget elementor-widget-heading\" data-id=\"ff7506e\" 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\">Componentes-chave do PoE Passivo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fecf40f elementor-widget elementor-widget-text-editor\" data-id=\"fecf40f\" 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 class=\"p1\">O PoE passivo utiliza os mesmos componentes fundamentais do PoE ativo, mas n\u00e3o possui as funcionalidades de intelig\u00eancia e comunica\u00e7\u00e3o para o gerenciamento de energia. Aqui est\u00e3o os componentes essenciais:<\/p><ol class=\"ol1\"><li class=\"li1\"><b><\/b><em><b>Equipamento de fonte de alimenta\u00e7\u00e3o (PSE)<\/b>:<\/em> Nos sistemas PoE passivos, este \u00e9 frequentemente um injector PoE b\u00e1sico ou um switch compat\u00edvel com PoE passivo. Estes dispositivos fornecem uma tens\u00e3o constante ao cabo Ethernet sem verificar os requisitos do dispositivo conectado.<\/li><li class=\"li1\"><b><\/b><em><b>Dispositivo alimentado (PD)<\/b>:<\/em> Os dispositivos que recebem energia, como c\u00e2meras IP, pontos de acesso sem fio ou sensores, devem ser projetados especificamente para aceitar a tens\u00e3o fixa fornecida pelo Passive PoE. Dispositivos incompat\u00edveis podem ser danificados se n\u00e3o forem projetados para lidar com a tens\u00e3o fornecida.<\/li><\/ol>\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-0545d52 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0545d52\" 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-c34264c elementor-widget elementor-widget-heading\" data-id=\"c34264c\" 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\">N\u00edveis de tens\u00e3o comuns no PoE passivo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83f8caf elementor-widget elementor-widget-text-editor\" data-id=\"83f8caf\" 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 class=\"p1\">O PoE passivo opera normalmente em um dos dois n\u00edveis de tens\u00e3o:<\/p><ul class=\"ul1\"><li class=\"li1\"><b><\/b><em><b>PoE Passivo de 24 V<\/b>:<\/em> Costuma ser usado em dispositivos de rede de baixa pot\u00eancia, como pontos de acesso sem fio ou c\u00e2meras IP b\u00e1sicas. Muitos sistemas de PoE passivo funcionam com 24 V, o que \u00e9 adequado para dispositivos que consomem menos energia.<\/li><li class=\"li1\"><b><\/b><em><b>PoE Passivo 48V<\/b>:<\/em> Essa tens\u00e3o mais alta \u00e9 utilizada em dispositivos mais exigentes que exigem mais pot\u00eancia. Essa tens\u00e3o est\u00e1 mais pr\u00f3xima da faixa fornecida pelo padr\u00e3o de PoE Ativo (44-57V), mas n\u00e3o h\u00e1 garantia de compatibilidade com dispositivos compat\u00edveis com o padr\u00e3o.<\/li><\/ul><p class=\"p1\">Importante ressaltar que, embora o PoE Passivo 48V possa parecer semelhante \u00e0 tens\u00e3o fornecida pelos sistemas PoE Ativos, a falta de negocia\u00e7\u00e3o de pot\u00eancia ainda representa um risco se dispositivos n\u00e3o compat\u00edveis forem conectados.<\/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-2610e8a elementor-widget elementor-widget-image\" data-id=\"2610e8a\" 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\/new-powerful-poe-extender-extend-surveillance-cameras\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"188\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/PoE-Extender-for-your-IP-Cameras.webp\" class=\"attachment-large size-large wp-image-42469\" alt=\"Novo Extensor POE Potente Aumente a Dist\u00e2ncia de suas C\u00e2meras de Vigil\u00e2ncia\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/PoE-Extender-for-your-IP-Cameras.webp 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/PoE-Extender-for-your-IP-Cameras-300x44.webp 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/PoE-Extender-for-your-IP-Cameras-768x113.webp 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/PoE-Extender-for-your-IP-Cameras-500x73.webp 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/PoE-Extender-for-your-IP-Cameras-150x22.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/PoE-Extender-for-your-IP-Cameras-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-bcc5deb elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bcc5deb\" 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-331b7c2 elementor-widget elementor-widget-heading\" data-id=\"331b7c2\" 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\">Limita\u00e7\u00f5es e riscos do PoE passivo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4459e9 elementor-widget elementor-widget-text-editor\" data-id=\"d4459e9\" 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 class=\"p1\">Embora o PoE Passivo possa ser uma op\u00e7\u00e3o vi\u00e1vel em algumas situa\u00e7\u00f5es, ele apresenta limita\u00e7\u00f5es e riscos significativos, especialmente em ambientes mais complexos ou profissionais:<\/p><ul class=\"ul1\"><li class=\"li1\"><b><\/b><em><b>Sem prote\u00e7\u00e3o de dispositivos<\/b>:<\/em> Como o PoE Passivo n\u00e3o inclui nenhum protocolo de negocia\u00e7\u00e3o de energia ou de seguran\u00e7a, existe o risco de danificar dispositivos que n\u00e3o foram concebidos para lidar com a tens\u00e3o fornecida. Por exemplo, conectar um dispositivo n\u00e3o PoE a um injector PoE Passivo pode resultar em danos permanentes.<\/li><li class=\"li1\"><b><\/b><em><b>Aus\u00eancia de normaliza\u00e7\u00e3o<\/b>:<\/em> O PoE passivo n\u00e3o segue os padr\u00f5es IEEE PoE, o que significa que n\u00e3o existe um padr\u00e3o universal para a tens\u00e3o ou a entrega de energia. Isso pode criar problemas de compatibilidade se dispositivos de fabricantes diferentes forem usados no mesmo sistema. Em contraste, o PoE ativo garante a interoperabilidade entre diferentes marcas e dispositivos, gra\u00e7as \u00e0 natureza padronizada do IEEE PoE.<\/li><li class=\"li1\"><b><\/b><em><b>Fornecimento de energia limitado<\/b>:<\/em> A maioria dos sistemas de PoE passivo fornece menos pot\u00eancia do que as solu\u00e7\u00f5es padr\u00e3o de PoE ativo. Por exemplo, um sistema PoE passivo de 24 V s\u00f3 pode fornecer at\u00e9 24 W de pot\u00eancia, o que \u00e9 insuficiente para dispositivos de alta pot\u00eancia, como c\u00e2meras IP avan\u00e7adas, pontos de acesso sem fio com v\u00e1rios r\u00e1dios ou equipamentos industriais.<\/li><li class=\"li1\"><b><\/b><em><b>Restri\u00e7\u00f5es de dist\u00e2ncia mais curtas<\/b>:<\/em> O PoE passivo \u00e0s vezes apresenta dificuldades para fornecer energia a dist\u00e2ncias mais longas. Enquanto o PoE ativo suporta dist\u00e2ncias de at\u00e9 100 metros (328 p\u00e9s) de energia e dados, o PoE passivo pode apresentar quedas de tens\u00e3o ao longo de cabos longos, especialmente em sistemas de baixa tens\u00e3o como sistemas de 24 V. Isso limita sua efic\u00e1cia em instala\u00e7\u00f5es de grande porte ou onde os dispositivos est\u00e3o espalhados em uma \u00e1rea ampla.<\/li><\/ul>\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-4aceae2 elementor-widget elementor-widget-image\" data-id=\"4aceae2\" 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\/iluminacao-led\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"200\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-1280x200.jpg\" class=\"attachment-large size-large wp-image-48755\" alt=\"A ilumina\u00e7\u00e3o LED \u00e9 ligada com os extensores PoE\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-1280x200.jpg 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-300x47.jpg 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-768x120.jpg 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-1536x239.jpg 1536w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-2048x319.jpg 2048w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-500x78.jpg 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-150x23.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/LED-Lighting-Gets-Turned-On-With-PoE-Extenders-banner-64x10.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-6693bb9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6693bb9\" 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-b9a0814 elementor-widget elementor-widget-heading\" data-id=\"b9a0814\" 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\">Diferen\u00e7as entre PoE ativo e passivo<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-024521c uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"024521c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div itemscope class=\"uael-table-wrapper\" itemtype=\"http:\/\/schema.org\/Table\">\n\t\t<table id=\"uael-table-id-024521c\" class=\"uael-text-break uael-column-rules uael-table\" data-sort-table=\"no\" data-show-entry=\"no\" data-searchable=\"no\" data-responsive=\"no\">\n\t\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t\t<tr class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"0\" class=\"sort-this elementor-repeater-item-11492bd uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Aspecto<\/span>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"1\" class=\"sort-this elementor-repeater-item-38a691a uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">PoE ativo<\/span>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"2\" class=\"sort-this elementor-repeater-item-1debe66 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">PoE Passivo<\/span>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t\t<tbody>\n\t\t\t<!-- ROWS -->\n\t\t\t\t\t\t\t\t\t\t<tr data-entry=\"1\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-b03f53c\" data-title=\"Aspect\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Padr\u00e3o<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-daa22e4\" data-title=\"Active PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">IEEE 802.3af\/at\/bt<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-5f022e6\" data-title=\"Passive PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">N\u00e3o convencional<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr><tr data-entry=\"2\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-b701247\" data-title=\"Aspect\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Negocia\u00e7\u00e3o de Pot\u00eancia<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-032012c\" data-title=\"Active PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Sim<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-903e0c4\" data-title=\"Passive PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">N\u00e3o<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr><tr data-entry=\"3\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-ac7d867\" data-title=\"Aspect\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Faixa de tens\u00e3o<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-77c0e7b\" data-title=\"Active PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Ajusta automaticamente (geralmente entre 44 e 57 V)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-cb32662\" data-title=\"Passive PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Tens\u00e3o fixa (24V, 48V, etc.)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr><tr data-entry=\"4\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-e4b926f\" data-title=\"Aspect\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Max Power<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-9b48818\" data-title=\"Active PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">At\u00e9 100W (com PoE++)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-ce904b6\" data-title=\"Passive PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Normalmente at\u00e9 24W<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr><tr data-entry=\"5\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-ed3b532\" data-title=\"Aspect\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Prote\u00e7\u00e3o do dispositivo<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-dd810d0\" data-title=\"Active PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Seguro, n\u00e3o danifica dispositivos que n\u00e3o utilizam PoE<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-9ebfa35\" data-title=\"Passive PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Risco de danos a dispositivos que n\u00e3o utilizam PoE<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr><tr data-entry=\"6\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-209e3d4\" data-title=\"Aspect\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Custo<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-3598a5a\" data-title=\"Active PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Maior<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-f4c49a0\" data-title=\"Passive PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Mais baixo<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr><tr data-entry=\"7\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-47593cb\" data-title=\"Aspect\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Casos de uso<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-beb0a62\" data-title=\"Active PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Implementa\u00e7\u00f5es de n\u00edvel profissional<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-ab9404a\" data-title=\"Passive PoE\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Configura\u00e7\u00f5es simples com menos requisitos de seguran\u00e7a<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t<\/tbody>\n\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f2160d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3f2160d\" 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-7bb298d elementor-widget elementor-widget-heading\" data-id=\"7bb298d\" 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\">Principais vantagens e desvantagens<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70e74c1 elementor-widget elementor-widget-text-editor\" data-id=\"70e74c1\" 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 class=\"p1\">Ao escolher entre a energia ativa e a energia passiva por meio do Ethernet (PoE), \u00e9 essencial avaliar suas vantagens e desvantagens em termos de seguran\u00e7a, custo, complexidade, entrega de energia e escalabilidade geral. Vamos analisar cada um deles em detalhes:<\/p><p class=\"p2\"><span style=\"text-decoration: underline;\"><b>PoE ativo<\/b><\/span><\/p><p class=\"p1\"><span style=\"text-decoration: underline;\"><b>Vantagens<\/b>:<\/span><\/p><p><em><b>1. Seguran\u00e7a e prote\u00e7\u00e3o do dispositivo<\/b>:<\/em><\/p><ul><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">O PoE ativo segue os r\u00edgidos padr\u00f5es IEEE 802.3, o que significa que os dispositivos passam por um processo de negocia\u00e7\u00e3o de energia. Isso garante que a energia seja fornecida apenas se o dispositivo conectado suportar o PoE e com o n\u00edvel de tens\u00e3o e pot\u00eancia corretos.<\/li><li class=\"li3\">O processo de negocia\u00e7\u00e3o protege os dispositivos que n\u00e3o utilizam PoE contra a entrega acidental de energia, minimizando o risco de danos.<\/li><li class=\"li3\">Os mecanismos de prote\u00e7\u00e3o incorporados, como prote\u00e7\u00e3o contra sobrecarga, subcarga, curto-circuito e desligamento autom\u00e1tico da alimenta\u00e7\u00e3o em caso de falha, tornam os sistemas PoE ativos muito mais seguros e confi\u00e1veis.<\/li><\/ul><\/li><\/ul><p><em><b>2. Normaliza\u00e7\u00e3o e Interoperabilidade<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">O PoE ativo \u00e9 estandardizado pela IEEE, o que garante que qualquer dispositivo compat\u00edvel com esse padr\u00e3o funcione perfeitamente com um switch ou injector PoE, independentemente do fabricante.<\/li><li class=\"li3\">Essa padroniza\u00e7\u00e3o garante que os usu\u00e1rios possam combinar equipamentos sem preocupa\u00e7\u00f5es com quest\u00f5es de compatibilidade, tornando-a ideal para instala\u00e7\u00f5es escal\u00e1veis e de grande porte.<\/li><\/ul><\/li><\/ol><p><em><b>3. Ajuste autom\u00e1tico de pot\u00eancia<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Os sistemas PoE ativos ajustam automaticamente a sa\u00edda de energia de acordo com as necessidades de energia do dispositivo conectado. Essa regula\u00e7\u00e3o din\u00e2mica evita o consumo de energia em excesso ou insuficiente, aumentando a vida \u00fatil do dispositivo e reduzindo o consumo de energia.<\/li><\/ul><\/li><\/ol><p><em><b>4. Maior disponibilidade de energia<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Com padr\u00f5es como PoE+ (IEEE 802.3at) e PoE++ (IEEE 802.3bt), o PoE ativo pode fornecer n\u00edveis de pot\u00eancia mais elevados (at\u00e9 100 watts em alguns casos), o que \u00e9 essencial para dispositivos como c\u00e2meras IP PTZ (Pan-Tilt-Zoom), sistemas de videoconfer\u00eancia, ilumina\u00e7\u00e3o inteligente e equipamentos industriais.<\/li><\/ul><\/li><\/ol><p><em><b>5. Dist\u00e2ncia maior<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">O PoE ativo pode fornecer tanto energia quanto dados em dist\u00e2ncias de at\u00e9 100 metros (328 p\u00e9s), mantendo o desempenho e a efici\u00eancia energ\u00e9tica ao longo de longas dist\u00e2ncias com cabos.<\/li><\/ul><\/li><\/ol><p><em><b>6. Gerenciamento centralizado de energia<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Os switches e dispositivos PoE ativos geralmente v\u00eam com recursos de gerenciamento centralizados que permitem aos administradores de rede controlar e monitorar a entrega de energia remotamente. Essa funcionalidade inclui reiniciar os dispositivos, agendar o uso de energia e acompanhar o consumo de energia, o que \u00e9 particularmente \u00fatil em redes de grande porte.<\/li><\/ul><\/li><\/ol><p class=\"p1\"><span style=\"text-decoration: underline;\"><b>Desvantagens<\/b>:<\/span><\/p><p><em><b>1. Custos mais elevados<\/b>:<\/em><\/p><ul><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Os inje\u00e7\u00e3ores e comutadores PoE ativos s\u00e3o mais caros do que os seus equivalentes PoE passivos devido \u00e0 complexidade dos circuitos de negocia\u00e7\u00e3o de energia e dos mecanismos de seguran\u00e7a. Este custo adicional pode ser significativo, especialmente para implementa\u00e7\u00f5es de pequena escala ou com um or\u00e7amento limitado.<\/li><\/ul><\/li><\/ul><p><em><b>2. Configura\u00e7\u00e3o ligeiramente mais complexa<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Embora o Active PoE simplifique a gest\u00e3o e ofere\u00e7a funcionalidades de seguran\u00e7a mais avan\u00e7adas, a configura\u00e7\u00e3o inicial pode ser um pouco mais complexa devido \u00e0 necessidade de garantir que todos os dispositivos conectados cumpram as normas da IEEE.<\/li><\/ul><\/li><\/ol><p><em><b>3. Consumo de energia<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Os sistemas PoE ativos consomem uma pequena quantidade de energia adicional para suportar fun\u00e7\u00f5es de negocia\u00e7\u00e3o e monitoramento de energia, embora isso geralmente seja m\u00ednimo.<\/li><\/ul><\/li><\/ol><p class=\"p2\"><span style=\"text-decoration: underline;\"><b>PoE Passivo<\/b><\/span><\/p><p class=\"p1\"><span style=\"text-decoration: underline;\"><b>Vantagens<\/b>:<\/span><\/p><p><em><b>1. Econ\u00f4mico<\/b>:<\/em><\/p><ul><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Uma das vantagens mais significativas do PoE Passivo \u00e9 o seu baixo custo. Como n\u00e3o segue os padr\u00f5es IEEE e n\u00e3o possui circuitos de negocia\u00e7\u00e3o de energia, os inje\u00e7\u00e3ores e switches de PoE Passivo s\u00e3o geralmente mais baratos de fabricar e comprar.<\/li><li class=\"li3\">Para instala\u00e7\u00f5es menores ou redes dom\u00e9sticas onde os requisitos de energia s\u00e3o conhecidos, o Passive PoE pode ser uma solu\u00e7\u00e3o econ\u00f4mica.<\/li><\/ul><\/li><\/ul><p><em><b>2. Simplicidade<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Os sistemas PoE passivos s\u00e3o mais simples de instalar e configurar. Como n\u00e3o h\u00e1 necessidade de negocia\u00e7\u00e3o ou gerenciamento de energia envolvidos, configurar um sistema PoE passivo \u00e9 t\u00e3o f\u00e1cil quanto conectar os dispositivos a um cabo Ethernet. Isso o torna uma op\u00e7\u00e3o atraente para instala\u00e7\u00f5es menores ou realizadas por usu\u00e1rios sem experi\u00eancia t\u00e9cnica.<\/li><\/ul><\/li><\/ol><p><em><b>3. \u00datil para dispositivos de baixa pot\u00eancia<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Em cen\u00e1rios em que os requisitos de energia s\u00e3o m\u00ednimos, como em pontos de acesso sem fio de pequena dimens\u00e3o ou c\u00e2meras IP b\u00e1sicas, o PoE Passivo pode fornecer energia suficiente sem a necessidade de uma infraestrutura de PoE Ativa mais cara.<\/li><\/ul><\/li><\/ol><p class=\"p1\"><span style=\"text-decoration: underline;\"><b>Desvantagens<\/b>:<\/span><\/p><p><em><b>1. Sem negocia\u00e7\u00e3o de poder ou prote\u00e7\u00e3o<\/b>:<\/em><\/p><ul><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Ao contr\u00e1rio do PoE Ativo, o PoE Passivo n\u00e3o verifica se o dispositivo conectado \u00e9 compat\u00edvel com o padr\u00e3o PoE ou se consegue lidar com a tens\u00e3o fornecida. Essa falta de negocia\u00e7\u00e3o de pot\u00eancia representa um risco significativo de danificar os dispositivos se eles n\u00e3o forem projetados para lidar com a tens\u00e3o fixa fornecida.<\/li><li class=\"li3\">N\u00e3o h\u00e1 ajuste autom\u00e1tico para dispositivos com pot\u00eancia insuficiente ou excessiva, o que pode levar a uma inefici\u00eancia operacional e a poss\u00edveis falhas do dispositivo.<\/li><\/ul><\/li><\/ul><p><em><b>2. Estandardiza\u00e7\u00e3o limitada<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">O PoE passivo n\u00e3o \u00e9 regulamentado por padr\u00f5es oficiais como o PoE ativo. Como resultado, diferentes fabricantes podem fornecer diferentes n\u00edveis de tens\u00e3o, o que pode causar problemas de compatibilidade entre os dispositivos. Sem uma estandariza\u00e7\u00e3o rigorosa, a interoperabilidade n\u00e3o \u00e9 garantida e a combina\u00e7\u00e3o de equipamentos de diferentes fornecedores pode ser problem\u00e1tica.<\/li><\/ul><\/li><\/ol><p><em><b>3. Tens\u00e3o fixa<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Como o PoE Passivo fornece uma tens\u00e3o constante (geralmente 24V ou 48V), ele n\u00e3o possui flexibilidade. Dispositivos que exigem um n\u00edvel de tens\u00e3o diferente estar\u00e3o com pot\u00eancia insuficiente, podendo causar falhas ou comprometerem a seguran\u00e7a devido a sobretens\u00f5es.<\/li><\/ul><\/li><\/ol><p><em><b>4. Fornecimento de energia mais baixo<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">A maioria dos sistemas de PoE passivo fornece menos pot\u00eancia do que os seus hom\u00f3logos de PoE ativo. Isso torna o PoE passivo inadequado para dispositivos com demandas de pot\u00eancia mais elevadas, como c\u00e2meras PTZ, pontos de acesso sem fio avan\u00e7ados ou dispositivos que exigem n\u00edveis de pot\u00eancia PoE++ (IEEE 802.3bt) de at\u00e9 100 watts.<\/li><li class=\"li3\">Al\u00e9m disso, os sistemas de PoE Passivo podem apresentar perda de energia em dist\u00e2ncias longas atrav\u00e9s de cabos, especialmente com sistemas de tens\u00e3o inferior, como o PoE Passivo de 24 V, o que limita a sua efic\u00e1cia em instala\u00e7\u00f5es maiores.<\/li><\/ul><\/li><\/ol><p><em><b>5. Sem gest\u00e3o centralizada<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Ao contr\u00e1rio dos switches PoE ativos, os sistemas PoE passivos n\u00e3o possuem recursos de gerenciamento centralizado de energia. Isso limita a capacidade de monitorar ou controlar remotamente o fornecimento de energia, tornando o diagn\u00f3stico de problemas na rede ou a gest\u00e3o de dispositivos mais desafiadores em instala\u00e7\u00f5es maiores.<\/li><\/ul><\/li><\/ol><p><em><b>6. Dist\u00e2ncia efetiva mais curta<\/b>:<\/em><\/p><ol class=\"ol1\"><li style=\"list-style-type: none;\"><ul class=\"ul1\"><li class=\"li3\">Os sistemas PoE passivos, especialmente aqueles que operam com tens\u00e3o de 24 V, podem apresentar dificuldades para fornecer energia a longas dist\u00e2ncias devido a quedas de tens\u00e3o. Isso reduz a dist\u00e2ncia efetiva de entrega de energia, tornando o PoE passivo menos adequado para implanta\u00e7\u00f5es generalizadas ou em larga escala.<\/li><\/ul><\/li><\/ol>\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-e84d773 elementor-widget elementor-widget-image\" data-id=\"e84d773\" 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\/the-advantages-of-power-over-ethernet\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"156\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner-1280x156.jpg\" class=\"attachment-large size-large wp-image-42821\" alt=\"Vantagens do Power over Ethernet Banner\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner-1280x156.jpg 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner-300x37.jpg 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner-768x94.jpg 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner-1536x188.jpg 1536w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner-500x61.jpg 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner-150x18.jpg 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner-64x8.webp 64w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/The-Advantages-of-Power-over-Ethernet-Banner.jpg 2048w\" 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-d227b66 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d227b66\" 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-077ee84 elementor-widget elementor-widget-heading\" data-id=\"077ee84\" 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\">Benef\u00edcios do uso do PoE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-040b055 elementor-widget elementor-widget-text-editor\" data-id=\"040b055\" 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 class=\"p1\">O uso da tecnologia PoE oferece in\u00fameras vantagens para empresas e organiza\u00e7\u00f5es:<\/p><ul class=\"ul1\"><li class=\"li2\"><b><\/b><em><b>Simplicidade<\/b>:<\/em> O PoE elimina a necessidade de fia\u00e7\u00e3o el\u00e9trica separada, reduzindo tanto o tempo quanto o custo das instala\u00e7\u00f5es.<\/li><li class=\"li2\"><b><\/b><em><b>Flexibilidade<\/b>:<\/em> Os dispositivos podem ser instalados em locais ideais, sem depender da disponibilidade de tomadas el\u00e9tricas.<\/li><li class=\"li2\"><b><\/b><em><b>Escalabilidade<\/b>:<\/em> \u00c0 medida que a demanda por redes cresce, o PoE facilita a expans\u00e3o da infraestrutura sem a necessidade de reestrutura\u00e7\u00e3o dispendiosa.<\/li><li class=\"li2\"><b><\/b><em><b>Gerenciamento Remoto<\/b>:<\/em> Muitos sistemas PoE permitem o controle e monitoramento centralizados dos dispositivos conectados, facilitando a manuten\u00e7\u00e3o e a solu\u00e7\u00e3o de problemas.<\/li><\/ul>\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-28405a1 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"28405a1\" 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-0bc8f8e elementor-widget elementor-widget-heading\" data-id=\"0bc8f8e\" 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\">Casos pr\u00e1ticos da vida real<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22aeb7c elementor-widget elementor-widget-text-editor\" data-id=\"22aeb7c\" 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<ul class=\"ul1\"><li class=\"li1\"><b><\/b><em><b>C\u00e2meras IP<\/b>:<\/em> Os sistemas de seguran\u00e7a frequentemente utilizam o PoE para simplificar a instala\u00e7\u00e3o de c\u00e2meras IP em locais dif\u00edceis de alcan\u00e7ar.<\/li><li class=\"li1\"><b><\/b><em><b>Ponto de Acesso Sem Fio<\/b>:<\/em> Redes sem fio de grande porte para empresas e escolas utilizam o PoE para instalar pontos de acesso sem a necessidade de tomadas de energia em todos os locais.<\/li><li class=\"li1\"><b><\/b><em><b>Telefones VoIP<\/b>:<\/em> Os escrit\u00f3rios podem usar o PoE para alimentar telefones de mesa, reduzindo a apar\u00eancia desorganizada e permitindo a coloca\u00e7\u00e3o flex\u00edvel.<\/li><li class=\"li1\"><b><\/b><em><b>Digital Signage<\/b>:<\/em> Lojares e estabelecimentos utilizam o PoE para instalar telas digitais em locais estrat\u00e9gicos sem a necessidade de tomadas de energia adicionais.<\/li><\/ul>\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-2036f4b elementor-widget elementor-widget-image\" data-id=\"2036f4b\" 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\/power-over-ethernet-enables-optimal-digital-signage\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"185\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-1280x185.jpg\" class=\"attachment-large size-large wp-image-48756\" alt=\"Pot\u00eancia badass atrav\u00e9s do Ethernet permite a utiliza\u00e7\u00e3o de banners de sinaliza\u00e7\u00e3o digital\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-1280x185.jpg 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-300x43.jpg 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-768x111.jpg 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-1536x222.jpg 1536w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-2048x295.jpg 2048w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-500x72.jpg 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-150x22.webp 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/09\/Badass-Power-over-Ethernet-Enables-Digital-Signage-banner-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-9e029cb elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9e029cb\" 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-cb8d1bd elementor-widget elementor-widget-heading\" data-id=\"cb8d1bd\" 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\">Recomenda\u00e7\u00f5es para escolher o tipo de PoE correto<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25abff7 elementor-widget elementor-widget-text-editor\" data-id=\"25abff7\" 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<ol class=\"ol1\"><li class=\"li1\"><b><\/b><em><b>Considere a compatibilidade do dispositivo<\/b>:<\/em> Se seus dispositivos suportarem PoE e exigirem diferentes n\u00edveis de pot\u00eancia, <b>PoE ativo<\/b> \u00c9 a op\u00e7\u00e3o mais segura e flex\u00edvel.<\/li><li class=\"li1\"><b><\/b><em><b>Avalie as necessidades de energia<\/b>:<\/em> Para dispositivos com demandas de pot\u00eancia mais altas, como algumas c\u00e2meras IP ou pontos de acesso, <b>PoE ativo<\/b> (especialmente o PoE+ ou o PoE++) \u00e9 necess\u00e1rio.<\/li><li class=\"li1\"><b><\/b><em><b>Considera\u00e7\u00f5es sobre o or\u00e7amento<\/b>:<\/em> Se voc\u00ea est\u00e1 trabalhando com um or\u00e7amento apertado e seus dispositivos suportam explicitamente <b>PoE Passivo<\/b>, No entanto, proceda com cautela e certifique-se de que apenas dispositivos compat\u00edveis estejam conectados.<\/li><li class=\"li1\"><b><\/b><em><b>Toler\u00e2ncia ao risco<\/b>:<\/em> Para aplica\u00e7\u00f5es de import\u00e2ncia fundamental, <b>PoE ativo<\/b> \u00c9 a melhor op\u00e7\u00e3o, oferecendo uma melhor prote\u00e7\u00e3o contra falhas de equipamentos.<\/li><\/ol>\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-60ec792 elementor-widget elementor-widget-image\" data-id=\"60ec792\" 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\/poe-extender\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"259\" src=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner-1280x259.jpg\" class=\"attachment-large size-large wp-image-42896\" alt=\"Extensor de energia via Ethernet - Banner PoE\" srcset=\"https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner-1280x259.jpg 1280w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner-300x61.jpg 300w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner-768x156.jpg 768w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner-1536x311.jpg 1536w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner-500x101.jpg 500w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner-150x30.jpg 150w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner-64x13.webp 64w, https:\/\/enableit.com\/wp-content\/uploads\/2024\/04\/Power-Over-Ethernet-Extender-PoE-Banner.jpg 1960w\" 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-feed05d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"feed05d\" 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-e5006a2 elementor-widget elementor-widget-heading\" data-id=\"e5006a2\" 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\">Considera\u00e7\u00f5es finais<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ced8220 elementor-widget elementor-widget-text-editor\" data-id=\"ced8220\" 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 class=\"p1\">O PoE ativo e o PoE passivo s\u00e3o tecnologias poderosas que atendem a necessidades diferentes. <b>PoE ativo<\/b> proporciona uma solu\u00e7\u00e3o padronizada e confi\u00e1vel com mecanismos de seguran\u00e7a integrados, tornando-a ideal para implanta\u00e7\u00f5es profissionais e escal\u00e1veis. <b>PoE Passivo<\/b>, Embora mais econ\u00f4mico, ele apresenta riscos e limita\u00e7\u00f5es que devem ser cuidadosamente gerenciados.<\/p><p class=\"p1\">Em conclus\u00e3o, embora <b>PoE ativo<\/b> \u00e9 a escolha preferida para a maioria das aplica\u00e7\u00f5es comerciais e industriais devido \u00e0 sua flexibilidade e aos seus recursos de seguran\u00e7a, <b>PoE Passivo<\/b> ainda pode oferecer valor para configura\u00e7\u00f5es de baixo consumo e n\u00e3o cr\u00edticas. A chave \u00e9 avaliar os seus requisitos espec\u00edficos, a compatibilidade do dispositivo e o or\u00e7amento antes de tomar uma decis\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-dc5ecc8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"dc5ecc8\" 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-3f16b82 elementor-widget elementor-widget-image\" data-id=\"3f16b82\" 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-3c975bf elementor-widget elementor-widget-heading\" data-id=\"3c975bf\" 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-83e52ec elementor-widget elementor-widget-text-editor\" data-id=\"83e52ec\" 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 da Enable-IT \u00e9 que nosso equipamento aproveita os sinais de telecomunica\u00e7\u00f5es de alta capacidade atrav\u00e9s de qualquer cabo \u2013 incluindo cabo coaxial, cerca de arame farpado, etc. Possui 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-0b310e3 elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-widget elementor-widget-posts\" data-id=\"0b310e3\" 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\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/enableit.com\/pt\/adot-roadside-connectivity-solutions\/\" tabindex=\"-1\" target=\"&quot;_blank&quot;\">\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\/11\/ADOT-Roadside-Connectivity-Solutions-200x150.webp\" class=\"attachment-thumbnail size-thumbnail wp-image-62960\" alt=\"ADOT Roadside Connectivity Solutions\" 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 href=\"https:\/\/enableit.com\/pt\/adot-roadside-connectivity-solutions\/\" target=\"&quot;_blank&quot;\">\n\t\t\t\tADOT Roadside Connectivity Solutions\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/enableit.com\/pt\/adot-roadside-connectivity-solutions\/\" aria-label=\"Leia mais sobre ADOT Roadside Connectivity Solutions\" tabindex=\"-1\" 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\" target=\"&quot;_blank&quot;\">\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 href=\"https:\/\/enableit.com\/pt\/passive-poe\/\" target=\"&quot;_blank&quot;\">\n\t\t\t\tEquipamento PoE Passivo: Desativar o PoE por Portas Pode Causar Desastre\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/enableit.com\/pt\/passive-poe\/\" aria-label=\"Leia mais sobre Passive PoE Equipment: Turning Off Per-Port PoE Can Spell Disaster\" tabindex=\"-1\" 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-62144 post type-post status-publish format-standard has-post-thumbnail hentry category-news category-industry-specific-solutions\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/enableit.com\/pt\/wildlife-camera\/\" tabindex=\"-1\" target=\"&quot;_blank&quot;\">\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\/Wildlife-Camera-by-Enable-IT-PoE-Extenders-200x150.webp\" class=\"attachment-thumbnail size-thumbnail wp-image-62165\" alt=\"C\u00e2mera de vida selvagem da Enable-IT com extensores 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 href=\"https:\/\/enableit.com\/pt\/wildlife-camera\/\" target=\"&quot;_blank&quot;\">\n\t\t\t\tO problema das c\u00e2meras de observa\u00e7\u00e3o de animais selvagens: os melhores locais s\u00e3o aqueles onde n\u00e3o h\u00e1 energia el\u00e9trica\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/enableit.com\/pt\/wildlife-camera\/\" aria-label=\"Leia mais sobre The Wildlife Camera Problem: The Best Locations Are Where the Power Isn&#8217;t\" tabindex=\"-1\" 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<\/div>\n\t\t\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-19f1dc0 elementor-widget elementor-widget-html\" data-id=\"19f1dc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<center><a href=\"javascript:void(0)\" style=\"color:#fff; font-weight:bold;\" onclick=\"$zoho.salesiq.floatwindow.visible('show')\"><div style=\"text-align: center;margin:0px; padding:5px; background-color:#258B33; border-radius:20px; width:300px;\">Obtenha 15% de desconto em qualquer solu\u00e7\u00e3o<br>Clique em \"Chat\" ou \"Chamada\" \u25ba <\/div><\/a>\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>\n\t\t<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>In today\u2019s connected world, Power over Ethernet (PoE) technology plays a pivotal role in simplifying the deployment of network devices,<\/p>","protected":false},"author":1,"featured_media":61618,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":"","bs_cache_bypass_cache":0},"categories":[1,4588],"tags":[],"class_list":["post-48745","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-power-over-ethernet-poe-extender-solutions"],"acf":[],"_links":{"self":[{"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/posts\/48745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/comments?post=48745"}],"version-history":[{"count":1,"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/posts\/48745\/revisions"}],"predecessor-version":[{"id":61578,"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/posts\/48745\/revisions\/61578"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/media\/61618"}],"wp:attachment":[{"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/media?parent=48745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/categories?post=48745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enableit.com\/pt\/wp-json\/wp\/v2\/tags?post=48745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}