{"id":680,"date":"2026-01-28T21:22:12","date_gmt":"2026-01-29T00:22:12","guid":{"rendered":"https:\/\/demo.peregrine-themes.com\/bloghash\/default\/?p=44"},"modified":"2026-01-28T21:26:25","modified_gmt":"2026-01-29T00:26:25","slug":"ais-transformative-path-in-art-evolution","status":"publish","type":"post","link":"https:\/\/machservicos.com.br\/?p=680","title":{"rendered":"Entenda a Norma TIA\/EIA-568: Sequ\u00eancia de Cores, Transmiss\u00e3o de Dados e PoE"},"content":{"rendered":"\n

\ud83d\udcd0 Norma de conex\u00e3o TIA\/EIA-568A<\/strong> e TIA\/EIA-568B<\/strong><\/h4>\n\n\n\n

As normas TIA\/EIA-568A<\/strong> e TIA\/EIA-568B<\/strong> definem o padr\u00e3o de crimpagem<\/strong> (ordem das cores dos fios) em cabos de rede par tran\u00e7ado<\/strong> (Cat5e, Cat6, Cat6A etc.) com conector RJ45<\/strong>.
Elas garantem padroniza\u00e7\u00e3o, compatibilidade e desempenho<\/strong> em redes Ethernet.<\/p>\n\n\n\n

Esses padr\u00f5es s\u00e3o usados em:<\/p>\n\n\n\n

    \n
  • Redes estruturadas<\/li>\n\n\n\n
  • Automa\u00e7\u00e3o residencial e predial<\/li>\n\n\n\n
  • Telecomunica\u00e7\u00f5es<\/li>\n\n\n\n
  • Sistemas IP (c\u00e2meras, controle de acesso, VoIP, automa\u00e7\u00e3o, etc.)<\/li>\n<\/ul>\n\n\n\n

    \ud83d\udd27 Regras gerais da norma TIA-568<\/h4>\n\n\n\n

    Independente de ser A ou B<\/strong>, as regras s\u00e3o:<\/p>\n\n\n\n

      \n
    • O cabo possui 4 pares tran\u00e7ados (8 fios)<\/strong><\/li>\n\n\n\n
    • Cada par tem uma cor s\u00f3lida + uma branca com listra<\/li>\n\n\n\n
    • O tran\u00e7amento deve ser mantido o mais pr\u00f3ximo poss\u00edvel do conector<\/strong> (m\u00e1x. ~13 mm destran\u00e7ado)<\/li>\n\n\n\n
    • Ambos os lados do cabo devem seguir o mesmo padr\u00e3o<\/strong> (A-A ou B-B) para cabo direto<\/strong><\/li>\n\n\n\n
    • A pinagem \u00e9 contada com o clip do RJ45 para baixo<\/strong>, da esquerda (pino 1) para a direita (pino 8)<\/li>\n<\/ul>\n\n\n\n

      \ud83d\udfe2 Padr\u00e3o TIA\/EIA-568A<\/strong><\/h4>\n\n\n\n

      Mais utilizado em instala\u00e7\u00f5es governamentais<\/strong>, projetos antigos e em alguns pa\u00edses fora do eixo comercial EUA.<\/p>\n\n\n\n

      Sequ\u00eancia de cores (pino 1 ao 8):<\/h5>\n\n\n\n
        \n
      1. Branco \/ Verde<\/li>\n\n\n\n
      2. Verde<\/li>\n\n\n\n
      3. Branco \/ Laranja<\/li>\n\n\n\n
      4. Azul<\/li>\n\n\n\n
      5. Branco \/ Azul<\/li>\n\n\n\n
      6. Laranja<\/li>\n\n\n\n
      7. Branco \/ Marrom<\/li>\n\n\n\n
      8. Marrom<\/li>\n<\/ol>\n\n\n\n
        \"\"<\/figure>\n\n\n\n

        \ud83d\udd35 Padr\u00e3o TIA\/EIA-568B<\/strong><\/h4>\n\n\n\n

        \u00c9 o mais utilizado no Brasil e no mundo<\/strong>, principalmente em redes comerciais, data centers e automa\u00e7\u00e3o.<\/p>\n\n\n\n

        Sequ\u00eancia de cores (pino 1 ao 8):<\/h5>\n\n\n\n
          \n
        1. Branco \/ Laranja<\/li>\n\n\n\n
        2. Laranja<\/li>\n\n\n\n
        3. Branco \/ Verde<\/li>\n\n\n\n
        4. Azul<\/li>\n\n\n\n
        5. Branco \/ Azul<\/li>\n\n\n\n
        6. Verde<\/li>\n\n\n\n
        7. Branco \/ Marrom<\/li>\n\n\n\n
        8. Marrom<\/li>\n<\/ol>\n\n\n\n
          \"\"<\/figure>\n\n\n\n

          \ud83d\udd04 Cabo direto x Cabo crossover<\/h4>\n\n\n\n

          \ud83d\udd39 Cabo direto (padr\u00e3o mais comum)<\/h5>\n\n\n\n
            \n
          • 568A em ambos os lados<\/strong> ou<\/li>\n\n\n\n
          • 568B em ambos os lados<\/strong><\/li>\n<\/ul>\n\n\n\n

            Usado para:<\/p>\n\n\n\n

              \n
            • PC \u2194 Switch<\/li>\n\n\n\n
            • C\u00e2mera IP \u2194 Switch<\/li>\n\n\n\n
            • Automa\u00e7\u00e3o \u2194 Rede<\/li>\n<\/ul>\n\n\n\n
              \ud83d\udd39 Cabo crossover (menos usado hoje)<\/h5>\n\n\n\n
                \n
              • Um lado 568A<\/strong><\/li>\n\n\n\n
              • Outro lado 568B<\/strong><\/li>\n<\/ul>\n\n\n\n

                Usado antigamente para:<\/p>\n\n\n\n

                  \n
                • PC \u2194 PC<\/li>\n\n\n\n
                • Switch \u2194 Switch (sem auto-MDI\/MDIX)<\/li>\n<\/ul>\n\n\n\n

                  \ud83d\udc49 Hoje quase todos os equipamentos modernos fazem auto-negocia\u00e7\u00e3o<\/strong>, ent\u00e3o crossover virou exce\u00e7\u00e3o.<\/p>\n\n\n\n

                  \n\n\n\n

                  \ud83e\udd14 Por que essas normas foram criadas?<\/h4>\n\n\n\n

                  Antes da padroniza\u00e7\u00e3o, cada instalador montava cabos \u201cdo seu jeito\u201d, causando:<\/p>\n\n\n\n

                    \n
                  • Incompatibilidade entre equipamentos<\/li>\n\n\n\n
                  • Perda de desempenho<\/li>\n\n\n\n
                  • Interfer\u00eancia eletromagn\u00e9tica (crosstalk)<\/li>\n\n\n\n
                  • Dificuldade de manuten\u00e7\u00e3o<\/li>\n<\/ul>\n\n\n\n

                    As normas TIA\/EIA-568<\/strong> foram criadas para:<\/p>\n\n\n\n

                    \u2705 Padronizar instala\u00e7\u00f5es
                    \u2705 Garantir desempenho (100 Mbps, 1 Gbps, 10 Gbps\u2026)
                    \u2705 Facilitar manuten\u00e7\u00e3o e expans\u00e3o
                    \u2705 Evitar erros de crimpagem
                    \u2705 Manter a integridade dos pares tran\u00e7ados<\/p>\n\n\n\n

                    \ud83d\udccc Resumo r\u00e1pido<\/h4>\n\n\n\n
                      \n
                    • 568A e 568B fazem a mesma coisa<\/strong> \u2192 s\u00f3 muda a posi\u00e7\u00e3o dos pares verde e laranja<\/li>\n\n\n\n
                    • No Brasil, use 568B<\/strong> (padr\u00e3o mais aceito)<\/li>\n\n\n\n
                    • O mais importante \u00e9 consist\u00eancia<\/strong>: mesmo padr\u00e3o nos dois lados<\/li>\n<\/ul>\n\n\n\n

                      \ud83d\udcca Infogr\u00e1fico \u2013 Padr\u00f5es TIA\/EIA-568, Transmiss\u00e3o de Dados e PoE<\/h4>\n\n\n\n

                      \ud83d\udd0c Sequ\u00eancia de cores \u2013 568A x 568B (RJ45)<\/h5>\n\n\n\n
                      \ud83d\udfe2 Padr\u00e3o TIA\/EIA-568A<\/h6>\n\n\n\n
                      \n
                      \n
                      \"\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n

                      Ordem dos pinos (1 \u2192 8):<\/strong>
                      Branco\/Verde \u00b7 Verde \u00b7 Branco\/Laranja \u00b7 Azul \u00b7 Branco\/Azul \u00b7 Laranja \u00b7 Branco\/Marrom \u00b7 Marrom<\/p>\n\n\n\n

                      \ud83d\udd35 Padr\u00e3o TIA\/EIA-568B<\/p>\n\n\n\n

                      Ordem dos pinos (1 \u2192 8):<\/strong>
                      Branco\/Laranja \u00b7 Laranja \u00b7 Branco\/Verde \u00b7 Azul \u00b7 Branco\/Azul \u00b7 Verde \u00b7 Branco\/Marrom \u00b7 Marrom<\/p>\n\n\n\n

                      \ud83d\udccc Observa\u00e7\u00e3o importante para o infogr\u00e1fico:<\/strong>
                      \ud83d\udc49 A \u00fanica diferen\u00e7a entre 568A e 568B \u00e9 a troca dos pares verde e laranja<\/strong>.<\/p>\n\n\n\n

                      \ud83d\udd01 Quais pares transmitem e recebem dados?<\/h4>\n\n\n\n
                      \ud83d\udce1 Ethernet 10\/100 Mbps (Fast Ethernet)<\/h5>\n\n\n\n
                      Fun\u00e7\u00e3o<\/th>Pinos<\/th>Par<\/th>Cores (568B)<\/th><\/tr><\/thead>
                      Transmiss\u00e3o (TX)<\/td>1 e 2<\/td>Par 2<\/td>Branco\/Laranja + Laranja<\/td><\/tr>
                      Recep\u00e7\u00e3o (RX)<\/td>3 e 6<\/td>Par 3<\/td>Branco\/Verde + Verde<\/td><\/tr>
                      N\u00e3o usados<\/td>4,5,7,8<\/td>Pares 1 e 4<\/td>Azul e Marrom<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

                      \ud83e\udde0 Resumo t\u00e9cnico:<\/strong><\/p>\n\n\n\n

                        \n
                      • Apenas 2 pares transmitem dados<\/strong><\/li>\n\n\n\n
                      • Os pares azul e marrom ficam livres<\/strong> (e \u00e9 a\u00ed que o PoE entra em cena \ud83d\udc47)<\/li>\n<\/ul>\n\n\n\n

                        \ud83d\ude80 Ethernet 1000 Mbps (Gigabit)<\/h4>\n\n\n\n
                        Pares usados<\/th>Pinos<\/th><\/tr><\/thead>
                        Todos os 4 pares<\/td>1 a 8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

                        \ud83d\udccc No Gigabit:<\/h4>\n\n\n\n
                          \n
                        • Todos os pares transmitem e recebem ao mesmo tempo<\/strong><\/li>\n\n\n\n
                        • Comunica\u00e7\u00e3o full-duplex<\/strong><\/li>\n\n\n\n
                        • Por isso a qualidade da crimpagem e do cabo \u00e9 cr\u00edtica<\/li>\n<\/ul>\n\n\n\n

                          \u26a1 PoE (Power over Ethernet) na pr\u00e1tica<\/h4>\n\n\n\n
                          \"\"<\/figure>\n\n\n\n

                          \ud83d\udd0c Como a energia trafega no cabo?<\/h4>\n\n\n\n

                          \ud83d\udd39 PoE Modo A (mais comum em switches)<\/h5>\n\n\n\n
                            \n
                          • Energia passa nos mesmos pares de dados<\/strong><\/li>\n\n\n\n
                          • Pinos: 1\u20132 e 3\u20136<\/strong><\/li>\n<\/ul>\n\n\n\n
                            \ud83d\udd39 PoE Modo B (mais antigo)<\/h5>\n\n\n\n
                              \n
                            • Energia passa nos pares n\u00e3o usados<\/strong><\/li>\n\n\n\n
                            • Pinos: 4\u20135 e 7\u20138<\/strong><\/li>\n<\/ul>\n\n\n\n
                              \ud83d\udd39 PoE moderno (802.3af \/ at \/ bt)<\/h5>\n\n\n\n
                                \n
                              • Pode usar todos os pares<\/strong><\/li>\n\n\n\n
                              • Distribui\u00e7\u00e3o inteligente de energia<\/li>\n\n\n\n
                              • At\u00e9 90W no PoE++ (802.3bt)<\/strong><\/li>\n<\/ul>\n\n\n\n

                                \ud83c\udfe0 Rela\u00e7\u00e3o direta com Automa\u00e7\u00e3o e C\u00e2meras IP<\/h4>\n\n\n\n

                                \ud83d\udcf7 C\u00e2meras IP<\/h5>\n\n\n\n
                                  \n
                                • Usam dados + energia no mesmo cabo<\/strong><\/li>\n\n\n\n
                                • Reduz:\n
                                    \n
                                  • Fonte externa<\/li>\n\n\n\n
                                  • Ponto de tomada<\/li>\n\n\n\n
                                  • Falhas el\u00e9tricas<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                                  • Padr\u00e3o 568B + PoE<\/strong> \u00e9 o mais usado no Brasil<\/li>\n<\/ul>\n\n\n\n
                                    \ud83e\udde0 Automa\u00e7\u00e3o residencial e predial<\/h5>\n\n\n\n

                                    Aplica\u00e7\u00f5es comuns:<\/p>\n\n\n\n

                                      \n
                                    • Controladores IP<\/li>\n\n\n\n
                                    • M\u00f3dulos de I\/O<\/li>\n\n\n\n
                                    • Interfaces touch<\/li>\n\n\n\n
                                    • Gateways<\/li>\n\n\n\n
                                    • Sensores inteligentes<\/li>\n<\/ul>\n\n\n\n

                                      \ud83d\udca1 Boas pr\u00e1ticas:<\/strong><\/p>\n\n\n\n

                                        \n
                                      • Sempre manter o mesmo padr\u00e3o em toda a obra<\/strong><\/li>\n\n\n\n
                                      • Preferir 568B<\/strong><\/li>\n\n\n\n
                                      • Usar cabos 100% cobre<\/strong> para PoE<\/li>\n\n\n\n
                                      • Evitar destran\u00e7ar pares al\u00e9m do necess\u00e1rio<\/li>\n<\/ul>\n\n\n\n
                                        \u2705 Conclus\u00e3o (ideal para fechar o infogr\u00e1fico)<\/h5>\n\n\n\n

                                        \u2714 568A e 568B s\u00e3o padr\u00f5es de organiza\u00e7\u00e3o dos pares<\/strong>
                                        \u2714 568B \u00e9 o mais adotado comercialmente
                                        \u2714 Em 10\/100 Mbps s\u00f3 2 pares transmitem dados
                                        \u2714 Em Gigabit e PoE moderno, todos os pares importam<\/strong>
                                        \u2714 Crimpagem correta = desempenho + confiabilidade<\/p>\n","protected":false},"excerpt":{"rendered":"

                                        Entenda a norma t\u00e9cnica que define regras de montagem dos conectores para cabos de rede e suas especifica\u00e7\u00f5es.<\/p>\n","protected":false},"author":1,"featured_media":830,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"audio","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[31,32,36],"tags":[104,101,94,93,98,92,102,48,49,95],"class_list":["post-680","post","type-post","status-publish","format-audio","has-post-thumbnail","hentry","category-automacao","category-redes","category-technology","tag-cat6","tag-conecto","tag-eia","tag-ethernet","tag-norma","tag-redes","tag-rj45","tag-tech","tag-technology","tag-tia","post_format-post-format-audio"],"yoast_head":"\nEntenda a Norma TIA\/EIA-568: Sequ\u00eancia de Cores, Transmiss\u00e3o de Dados e PoE - MACH TECNOLOGIA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/machservicos.com.br\/?p=680\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Entenda a Norma TIA\/EIA-568: Sequ\u00eancia de Cores, Transmiss\u00e3o de Dados e PoE - 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