Download - Medios de tranmision
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MEDIOS DE TRANSMISION
JORGE ELIECER GUTIERREZ ROJASCOD 9.432.595
REDES LOCALES BASICO
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• MEDIOS FÍSICOS– GUIADOS• PAR TRENZADO• COAXIAL• FIBRA ÓPTICA– NO GUIADOS• RADIO• MICROONDAS• SATÉLITE
MODOS DE TRANSMISIÓN
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MODOS DE TRANSMISIÓN
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Espectro Electromagnético
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PAR TRENZADO
• • Consiste en dos alambres de cobre• aislados• • Se trenzan para reducir interferencias• • Es el medio de transmisión más usado• • Se agrupan para formar cables mayores• • Transmite tanto señal analógica como• digital• – Analógica: AB=250 KHz ; Ampl. 5 ó 6 Km• – Digital: V=100 Mbps ; Rep. 2 ó 3 Km
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