1 TR Cabo Coaxial e Par T
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Transcript of 1 TR Cabo Coaxial e Par T
![Page 1: 1 TR Cabo Coaxial e Par T](https://reader036.fdocument.pub/reader036/viewer/2022081515/5515bf8d497959fd1d8b4fba/html5/thumbnails/1.jpg)
Prof. Vital P. Santos Jr.
MeiosFísicos
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IEEE 802
Prof. Vital P. Santos Jr.
O Instituto de Engenharia Elétrica e Eletrônica padronizou uma série de normas que são utilizadas nas LAN’s atuais.
www.ieee.org
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IEEE 802
Prof. Vital P. Santos Jr.
EXEMPLOS:•802.3 – Padrão Ethernet•802.8 – Padrão Fiber Optic
•802.11 – Padrão Wireless
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Meios Físicos para Redes
Prof. Vital P. Santos Jr.
- Meios em Cobre
- Meios Ópticos - Meios Sem-Fio
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Meios em Cobre
Prof. Vital P. Santos Jr.
- Cabo Coaxial - Cabo Par Trançado
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Prof. Vital P. Santos Jr.
CaboCoaxial
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Cabo Coaxial
Prof. Vital P. Santos Jr.
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Cabo Coaxial
Prof. Vital P. Santos Jr.
•É utilizado na topologia BARRAMENTO
•Tecnologia obsoleta
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Usando oCabo Coaxial
Prof. Vital P. Santos Jr.
Barramento
Terminador Terminador
Conector BNC
Interface de Rede
Interface de Rede
Transceiver
Conector AUI
Conector AUI
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Cabo CoaxialEspecificação Ethernet
Prof. Vital P. Santos Jr.
- 10Base210 Mbps / 185 Metros
- 10Base5 (cabo grosso)10 Mbps / 500 Metros
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Cabo Coaxial
Prof. Vital P. Santos Jr.
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Conector Macho10BASE2
Prof. Vital P. Santos Jr.
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Conector Fêmea10BASE2
Prof. Vital P. Santos Jr.
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Prof. Vital P. Santos Jr.
ParTrançado
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Cabo de par trançado
Prof. Vital P. Santos Jr.
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Cabo de par trançado
Prof. Vital P. Santos Jr.
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Cabo de par trançado
Prof. Vital P. Santos Jr.
•É utilizado na topologia ESTRELA
•Os cabos conectam-se a um dispositivo
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Usando o par trançado
Prof. Vital P. Santos Jr.
Interface de Rede
Conector RJ 45
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Par trançadoEspecificação Ethernet
Prof. Vital P. Santos Jr.
- 10Base-T 10 Mbps / Trançado / Half-Duplex
- 100Base-T100 Mbps / Trançado / Half-Duplex
- 10Base-TX10 Mbps / Trançado / Full-Duplex
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Par trançadoEspecificação Ethernet
Prof. Vital P. Santos Jr.
- 100Base-TX100 Mbps / Trançado / Full-Duplex
- 1000Base-T1Gbps / Trançado / Half-Duplex
- 1000Base-TX1Gbps / Trançado / Full-Duplex
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Cabo de par trançado
Prof. Vital P. Santos Jr.
- STP (Blindado)
- ScTP (Screened) - UTP (Não Blindado)
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Cabo de par trançado Blindado (STP)
Prof. Vital P. Santos Jr.
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Cabo de par trançado Blindado (STP)
Prof. Vital P. Santos Jr.
- Oferece maior proteção contra todos os tipos de interferência externa, mas é mais caro e difícil de instalar do que o UTP.
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Cabo de par trançado Blindado (STP)
Prof. Vital P. Santos Jr.
- Exige bom aterramento por causa da blindagem
- É constituído por apenas 2 pares de fios
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par trançado Isolado (ScTP)
Prof. Vital P. Santos Jr.
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par trançado Isolado (ScTP)
Prof. Vital P. Santos Jr.
- Tem apenas uma blindagem externa
- Exige bom aterramento - É constituído por 4 pares de fios
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par trançado não blindado (UTP)
Prof. Vital P. Santos Jr.
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par trançado não blindado (UTP)
Prof. Vital P. Santos Jr.
- É constituído por 4 pares de fios
- Cada fio é coberto por material isolante
- É fácil de ser instalado
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par trançado não blindado (UTP)
Prof. Vital P. Santos Jr.
- É mais barato que os outros
- Seu diâmetro é pequeno, o que facilita a manipulação e colocação em dutos
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par trançado não blindado (UTP)
Prof. Vital P. Santos Jr.
- O trançado dos fios faz com que se limite a degradação do sinal.
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Conector Macho
Prof. Vital P. Santos Jr.
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Conector Fêmea
Prof. Vital P. Santos Jr.
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Atenuação
Prof. Vital P. Santos Jr.
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Par trançadoCategorias
Prof. Vital P. Santos Jr.
Categoria do Cabo
Tecnologia e Aplicação
Megabits p/ seg
Categoria 3 Ethernet - 10Base-T Até 10 Mbps
Categoria 4 Ethernet – Token Ring Até 16 Mbps
Categoria 5 Fast-Ethernet – 100Base-TX
Até 100 Mbps
Categoria 5e Gigabit-Ethernet – 1000Base-T
Até 1000 Mbps
“com restrições”
Categoria 6 Gigabit-Ethernet Até 1000 Mbps
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Como montar um cabo ?
Prof. Vital P. Santos Jr.
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Padrão TIA/EIA
Prof. Vital P. Santos Jr.
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Cabo Direto
Prof. Vital P. Santos Jr.
- Utilizado para ligar Placa de Rede a um HUB / SWITCH / ROTEADOR
- As duas pontas do cabo têm que ter a mesma seqüência de cores
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Cabo Cruzado(crossover)
Prof. Vital P. Santos Jr.
- Utilizado para ligar 2 micros
- Utilizado para ligar 2 SWITCHS
- As duas pontas do cabo têm que ter seqüência de cores diferentes
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Cabo Rollover
Prof. Vital P. Santos Jr.
- Adaptador RJ-45 para saídas seriais ( DB-9 ou DB-25 )
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Padrão TIA/EIA
Prof. Vital P. Santos Jr.
T568A
Branco-Verde
Verde
Branco-Laranja
Azul
Branco-Azul
Laranja
Branco-Marrom
Marrom
T568B
Branco-Laranja
Laranja
Branco-Verde
Azul
Branco-Azul
Verde
Branco-Marrom
Marrom
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Prof. Vital P. Santos Jr.
Ferramentas
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Prof. Vital P. Santos Jr.
Alicate de Crimpagem
- Serve para crimpar os conectores RJ45 nos cabos de par trançado
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Prof. Vital P. Santos Jr.
Alicate de Corte
- Ideal para corte do cabo
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Prof. Vital P. Santos Jr.
Testador de Cabo
- Utilizado para testar as conexões a fim de garantir a qualidade do serviço
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Prof. Vital P. Santos Jr.
Punchdown (Cravador)
- É usado para fazer a conexão nas fêmeas RJ45
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Prof. Vital P. Santos Jr.
Decapador
- Usado para descascar cabos
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Prof. Vital P. Santos Jr.
Site
www.menortec.com.br