{"id":54186,"date":"2019-12-20T00:00:00","date_gmt":"2019-12-19T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/test-kommutatorov-tp-link-c-long-range-poe-i-nemnogo-pro-apgrejdy-staryh-modelej"},"modified":"2020-02-18T14:02:10","modified_gmt":"2020-02-18T11:02:10","slug":"test-kommutatorov-tp-link-c-long-range-poe-i-nemnogo-pro-apgrejdy-staryh-modelej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/test-kommutatorov-tp-link-c-long-range-poe-i-nemnogo-pro-apgrejdy-staryh-modelej","title":{"rendered":"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Anteriormente, em nossos switches, desenvolvemos a tecnologia Power over Ethernet apenas na dire\u00e7\u00e3o do aumento da pot\u00eancia transmitida. Mas, ao usar solu\u00e7\u00f5es com PoE e PoE+, tornou-se evidente que isso n\u00e3o \u00e9 suficiente. Nossos clientes enfrentam n\u00e3o apenas a falta de or\u00e7amento energ\u00e9tico, mas tamb\u00e9m a limita\u00e7\u00e3o padr\u00e3o das redes Ethernet \u2014 a dist\u00e2ncia de transmiss\u00e3o de 100 m. Neste artigo, vamos mostrar como contornamos essa limita\u00e7\u00e3o e vamos testar o long range PoE na pr\u00e1tica.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/d6db221e0b5c8aa99bc5f48132487178.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Por que a tecnologia PoE long range \u00e9 necess\u00e1ria<\/h2>\n<p>\nCem metros \u00e9 uma dist\u00e2ncia consider\u00e1vel. Ainda mais porque, na pr\u00e1tica, o cabo nunca \u00e9 instalado em linha reta: \u00e9 preciso desviar de todas as curvas do edif\u00edcio, subir ou descer de um canal de cabos para outro e assim por diante. Mesmo em edif\u00edcios de tamanho m\u00e9dio, a limita\u00e7\u00e3o no comprimento do segmento Ethernet pode se tornar um grande problema para o administrador.\u00a0<\/p>\n<p>Decidimos, como exemplo, demonstrar de forma clara em um edif\u00edcio escolar quais dispositivos poder\u00e3o receber energia atrav\u00e9s do PoE e se conectar \u00e0 rede (estrelas verdes), e quais n\u00e3o poder\u00e3o (estrelas vermelhas). Se o equipamento de rede n\u00e3o puder ser instalado entre os blocos, os dispositivos nas extremidades n\u00e3o conseguir\u00e3o se conectar:<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/b2323fe36a7a266a37429d5c7b68a860.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPara contornar a limita\u00e7\u00e3o de dist\u00e2ncia, utiliza-se a tecnologia Long Range PoE: ela permite ampliar a \u00e1rea de cobertura da rede cabeada e conectar assinantes localizados a at\u00e9 250 metros de dist\u00e2ncia. Ao usar Long Range PoE, a transmiss\u00e3o de dados e energia acontece de duas maneiras:<\/p>\n<ol>\n<li>Se a velocidade da interface for de 10 Mbps (Ethernet comum), ent\u00e3o em segmentos com at\u00e9 250 metros \u00e9 poss\u00edvel transmitir simultaneamente tanto energia quanto dados.\n<\/li>\n<li>Por outro lado, se a velocidade da interface for ajustada para 100 Mbps (para os modelos TL-SL1218MP e TL-SG1218MPE) ou 1 Gbps (para o modelo TL-SG1218MPE), n\u00e3o haver\u00e1 transmiss\u00e3o de dados \u2014 apenas de energia. Nesse caso, ser\u00e1 necess\u00e1rio algum outro m\u00e9todo para transmitir dados, como uma linha \u00f3ptica instalada em paralelo. O Long Range PoE, nesse caso, ser\u00e1 utilizado apenas para alimenta\u00e7\u00e3o remota.\n<\/li>\n<\/ol>\n<p>\nAssim, ao utilizar Long Range PoE na mesma escola, o equipamento de rede que suporta velocidade de 10 Mbps pode ser posicionado em qualquer ponto.<\/p>\n<p>\u00a0<img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/30b9867a8ed3bf19263da6402759a6e8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>O que os switches que suportam Long Range PoE s\u00e3o capazes de fazer<\/h2>\n<p>\nA fun\u00e7\u00e3o Long Range PoE est\u00e1 dispon\u00edvel em dois switches da linha TP-Link: <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/poe-switch\/tl-sg1218mpe\/\">TL-SG1218MPE<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/unmanaged-switch\/tl-sl1218mp\/\">TL-SL1218MP<\/a><\/noindex>.<\/p>\n<p>O TL-SL1218MP pertence aos switches n\u00e3o gerenciados. Ele possui 16 portas, com um or\u00e7amento PoE total de 192 W, permitindo fornecer at\u00e9 30 W de pot\u00eancia por porta. Se n\u00e3o houver sobrecarga no or\u00e7amento de energia, todas as 16 portas Fast Ethernet podem receber alimenta\u00e7\u00e3o.\u00a0\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/353152ffad9d4f8e604bd6ba68d2e347.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA configura\u00e7\u00e3o \u00e9 feita atrav\u00e9s de interruptores no painel frontal: um ativa o modo Long Range PoE e o outro configura a prioridade das portas ao distribuir o or\u00e7amento de energia do switch.\u00a0<\/p>\n<p>O TL-SG1218MPE pertence aos switches Easy Smart. O dispositivo pode ser gerenciado atrav\u00e9s da interface web ou utilit\u00e1rios especializados.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/ab809c3a6fbc34790cd5f112f23ee80c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa se\u00e7\u00e3o de interface do Sistema, os administradores t\u00eam acesso \u00e0s opera\u00e7\u00f5es padr\u00e3o de rotina: altera\u00e7\u00e3o de login e senha para a conta de administrador, configura\u00e7\u00e3o do endere\u00e7o IP do m\u00f3dulo de gest\u00e3o, atualiza\u00e7\u00e3o de firmware e assim por diante.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/a69e4a851c26660b5e58c970c63856f0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOs modos de opera\u00e7\u00e3o das portas s\u00e3o configurados na se\u00e7\u00e3o Switching \u2192 Port Setting. Com as outras abas da se\u00e7\u00e3o, \u00e9 poss\u00edvel ativar\/desativar IGMP e agrupar interfaces f\u00edsicas.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/06d189ba5e74ad0d8c2071c38046682b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa se\u00e7\u00e3o de Monitoramento, s\u00e3o apresentadas informa\u00e7\u00f5es estat\u00edsticas sobre o funcionamento das portas do switch. Tamb\u00e9m \u00e9 poss\u00edvel espelhar o tr\u00e1fego, ativar ou desativar prote\u00e7\u00e3o contra loops e executar o testador de cabos embutido.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/385e0a1bd978a69cf80da3dc0cb8e814.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nO switch TL-SG1218MPE suporta v\u00e1rios modos de opera\u00e7\u00e3o com redes virtuais: marca\u00e7\u00e3o 802.1q, VLAN baseada em porta, al\u00e9m de MTU VLAN. Quando em modo MTU VLAN, o switch permite apenas a troca de tr\u00e1fego entre portas de usu\u00e1rio e a interface uplink, ou seja, a troca de tr\u00e1fego entre portas de usu\u00e1rio \u00e9 diretamente proibida. Esta tecnologia tamb\u00e9m \u00e9 chamada de Asymmetric VLAN ou Private VLAN. Ela \u00e9 usada para aumentar a seguran\u00e7a da rede, para que, ao se conectar fisicamente ao switch, um invasor n\u00e3o tenha como interceptar o controle do equipamento.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/aa92ffeac64c636fffee78bd6b2823ef.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa se\u00e7\u00e3o QoS, \u00e9 poss\u00edvel definir a prioridade da interface, configurar limites de velocidade para o tr\u00e1fego dos usu\u00e1rios, al\u00e9m de combater tempestades de tr\u00e1fego.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/3e7bd65d24e53c6d0c64af1712ef8f19.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa se\u00e7\u00e3o PoE Config, o administrador pode for\u00e7ar um limite m\u00e1ximo de pot\u00eancia dispon\u00edvel a cada consumidor, definir a prioridade de energia da interface e conectar ou desconectar consumidores.<\/p>\n<h2>Testando Long Range<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/0822dccc44713ee12143442b3f95352c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNo modelo TL-SL1218MP, inclu\u00edmos suporte para Long Range nas primeiras oito portas. Nosso telefone IP de teste funcionou com sucesso. Atrav\u00e9s das configura\u00e7\u00f5es do telefone, descobrimos que a velocidade negociada era de 10 Mbps. Em seguida, desativamos o switch Long Range PoE e verificamos o que acontecia com o telefone de teste ap\u00f3s isso. O aparelho iniciou corretamente e indicou que estava utilizando o modo de 100 Mbps em sua interface de rede, entretanto, os dados n\u00e3o eram transmitidos pelo canal e o telefone n\u00e3o se registrava na esta\u00e7\u00e3o. Assim, a energia para os dispositivos conectados por canais Ethernet prolongados \u00e9 poss\u00edvel mesmo sem ativar o modo Long Range PoE, mas neste caso apenas a energia ser\u00e1 transmitida pelo canal, e n\u00e3o os dados.<\/p>\n<p>No modo padr\u00e3o de alimenta\u00e7\u00e3o via Ethernet (quando o comprimento do segmento n\u00e3o ultrapassa 100 metros), a transmiss\u00e3o de energia e dados ocorre em velocidades de at\u00e9 1 Gbps, inclusive. O teste do funcionamento do telefone, alimentado via PoE e conectado com um cabo de comprimento m\u00e1ximo, foi bem-sucedido.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/cc2225d2c1a4826f02b18af7c454e8f6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNo switch TL-SG1218MPE, mudamos a porta para o modo 10 Mbps Half Duplex \u2014 o aparelho conectou-se com sucesso.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/5ed0c974990a6aca32c973fd37c5d0d7.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNaturalmente, quisemos saber quanta energia o telefone consome com essa conex\u00e3o, e descobrimos que \u00e9 apenas 1,6 W.<\/p>\n<pre><code class=\"plaintext\">C:&gt;ping -t 192.168.1.10\nPinging 192.168.1.10 with 32 bytes of data:\nReply from 192.168.1.10: bytes=32 time&lt;1ms TTL=64\nReply from 192.168.1.10: bytes=32 time&lt;1ms TTL=64\nReply from 192.168.1.10: bytes=32 time&lt;1ms TTL=64\nReply from 192.168.1.10: bytes=32 time&lt;1ms TTL=64\nReply from 192.168.1.10: bytes=32 time&lt;1ms TTL=64\nReply from 192.168.1.10: bytes=32 time&lt;1ms TTL=64\nReply from 192.168.1.10: bytes=32 time&lt;1ms TTL=64\nReply from 192.168.1.10: bytes=32 time&lt;1ms TTL=64\nRequest timed out.\nRequest timed out.\nRequest timed out.\nRequest timed out.\nRequest timed out.\nRequest timed out.\nRequest timed out.\nPing statistics for 192.168.1.10:\n    Packets: Sent = 16, Received = 9, Lost = 7 (43% loss),\nApproximate round trip times in milli-seconds:\n    Minimum = 0ms, Maximum = 0ms, Average = 0ms\nControl-C\n<\/code><\/pre>\n<p>\nMas se mudarmos a interface do switch para o modo de opera\u00e7\u00e3o 100 Mbps Half Duplex ou 100 Mbps Full Duplex, a comunica\u00e7\u00e3o com o telefone se perde imediatamente e n\u00e3o se restabelece.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/aa45166e17016287d0955f05a87d9ad5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA pr\u00f3pria interface est\u00e1 no estado Link Down.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/73d33bed85124d00578585875b9f581d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nQuase o mesmo ocorre se a interface for mudada para o modo de automa\u00e7\u00e3o de negocia\u00e7\u00e3o de velocidade e duplex. Portanto, a \u00fanica maneira de utilizar segmentos Ethernet longos \u00e9 a configura\u00e7\u00e3o manual da velocidade de conex\u00e3o para 10 Mbps.<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/7413ac37faa1ed61d794c56b04cf32a5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nInfelizmente, segmentos de cabos t\u00e3o longos n\u00e3o s\u00e3o detectados pelo testador de cabos embutido.<\/p>\n<h2>Atualiza\u00e7\u00e3o de outros switches com PoE<\/h2>\n<p>\n\u00c0 medida que o n\u00famero de dispositivos alimentados por PoE continua a aumentar, atualizamos as fontes de alimenta\u00e7\u00e3o nos modelos mais antigos. Agora, em vez de fontes de 110 W e 192 W, todos os modelos ter\u00e3o fontes de 150 W e 250 W. Todas essas mudan\u00e7as podem ser vistas na tabela:<\/p>\n<p><img decoding=\"async\" alt=\"Teste dos switches TP-Link com Long range PoE. E um pouco sobre upgrades de modelos antigos\" src=\"\/wp-content\/uploads\/2019\/12\/82dc6c6203f998b258fdd105381c919f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nComo a tecnologia PoE come\u00e7ou a penetrar no n\u00edvel consumidor, outra mudan\u00e7a na linha de modelos foi o surgimento de switches projetados para pequenos escrit\u00f3rios e uso dom\u00e9stico.<\/p>\n<p>Na linha de switches Fast Ethernet n\u00e3o gerenciados, em 2019 surgiram modelos <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/unmanaged-switch\/tl-sf1005p\/\">TL-SF1005P<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/unmanaged-switch\/tl-sf1008p\/\">TL-SF1008P<\/a><\/noindex> com 5 e 8 portas. O or\u00e7amento de energia dos modelos \u00e9 de 58 W, e pode ser distribu\u00eddo entre quatro interfaces (at\u00e9 15,4 W por porta). Os switches n\u00e3o t\u00eam ventiladores, podem ser colocados diretamente em escrit\u00f3rios e ambientes de trabalho, apartamentos e usados para conectar c\u00e2meras IP e telefones IP. Os switches podem priorizar a distribui\u00e7\u00e3o de energia: em caso de sobrecarga, dispositivos de baixa prioridade s\u00e3o desligados.<\/p>\n<p>Os modelos <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/unmanaged-switch\/tl-sg1005p\/\">TL-SG1005P<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/unmanaged-switch\/tl-sg1008p\/\">TL-SG1008P<\/a><\/noindex>, assim como os modelos SF, s\u00e3o projetados para instala\u00e7\u00e3o em mesa, no entanto, possuem um switch gigabit integrado, permitindo conectar equipamentos de ponta de alta velocidade com suporte a 802.3af.\u00a0<\/p>\n<p>O switch <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/unmanaged-switch\/tl-sg1008mp\/\">TL-SG1008MP<\/a><\/noindex> pode ser colocado tanto na mesa quanto em um rack. Este modelo possui oito portas Gigabit Ethernet, cada uma podendo ser conectada a um consumidor com suporte para IEEE 802.3af\/at e pot\u00eancia de at\u00e9 30 W. O or\u00e7amento total de energia do dispositivo \u00e9 de 126 W. A caracter\u00edstica do switch \u00e9 o suporte ao modo de economia de energia, onde o switch periodicamente verifica seus portos, e na aus\u00eancia de um dispositivo conectado, desliga a alimenta\u00e7\u00e3o. Isso permite reduzir o consumo de energia em 75%.\u00a0<\/p>\n<p>Al\u00e9m do TL-SG1218PE, a linha de switches gerenciados da TP-Link inclui modelos <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/easy-smart-switch\/tl-sg108pe\/\">TL-SG108PE <\/a><\/noindex>e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tp-link.com\/ru\/business-networking\/easy-smart-switch\/tl-sg1016pe\/\">TL-SG1016PE<\/a><\/noindex>. Todos possuem o mesmo or\u00e7amento total de energia do dispositivo \u2014 55 W. Esse or\u00e7amento pode ser redistribu\u00eddo entre quatro portas com uma pot\u00eancia de sa\u00edda de at\u00e9 15,4 W por porta. Esses switches possuem o mesmo firmware que o TL-SG1218PE, e, consequentemente, as mesmas fun\u00e7\u00f5es: monitoramento da rede, prioriza\u00e7\u00e3o de tr\u00e1fego, QoS, MTU VLAN.<\/p>\n<p><i>A descri\u00e7\u00e3o completa da linha de dispositivos PoE da TP-Link est\u00e1 dispon\u00edvel em <i><noindex><a rel=\"nofollow\" href=\"https:\/\/static.tp-link.com\/2019\/201912\/20191210\/%D0%9A%D0%BE%D0%BC%D0%BC%D1%83%D1%82%D0%B0%D1%82%D0%BE%D1%80%D1%8B%20%D1%81%20%D0%BF%D0%BE%D0%B4%D0%B4%D0%B5%D1%80%D0%B6%D0%BA%D0%BE%D0%B9%20PoE.pdf\">link<\/a><\/noindex><\/i>.<\/i><br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/tp_link_russia\/blog\/480920\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u043d\u044c\u0448\u0435 \u0432 \u0441\u0432\u043e\u0438\u0445 \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0430\u0445 \u043c\u044b \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u043b\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044e Power over Ethernet \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u043e\u0439 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438. \u041d\u043e \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u0439 \u0441 PoE \u0438 PoE+ \u0441\u0442\u0430\u043b\u043e \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e, \u0447\u0442\u043e \u044d\u0442\u043e\u0433\u043e \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e. \u041d\u0430\u0448\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u044b \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0441 \u043d\u0435\u0445\u0432\u0430\u0442\u043a\u043e\u0439 \u044d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0431\u044e\u0434\u0436\u0435\u0442\u0430, \u043d\u043e \u0438 \u0441\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u043c \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0435\u043c Ethernet-\u0441\u0435\u0442\u0435\u0439 \u2014 \u0434\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0432 100 \u043c.\u00a0 \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-54186","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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E um pouco sobre upgrades de modelos antigos | ProHoster","description":"Anteriormente, em nossos switches, desenvolvemos a tecnologia Power over Ethernet apenas na dire\u00e7\u00e3o do aumento da pot\u00eancia transmitida. No entanto, durante a opera\u00e7\u00e3o de solu\u00e7\u00f5es com PoE e PoE+, ficou claro que isso n\u00e3o era suficiente.","canonical_url":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/test-kommutatorov-tp-link-c-long-range-poe-i-nemnogo-pro-apgrejdy-staryh-modelej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pt_PT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0422\u0435\u0441\u0442 \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u043e\u0432 TP-Link c Long range PoE. \u0418 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u043f\u0440\u043e 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