Transmission modes & medias networking
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Transcript of Transmission modes & medias networking
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TRANSMISSION MEDIA
ANDMODES
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Transmission Media
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Classes of transmission media
Transmission Media
Guided (wired) Unguided (wireless)
Twisted-Pair Cable
Co-Axial Cable
Fibre – Optic Cable
Radio waves
Micro waves
Infra red
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• Twisted – Pair CableTwisted – Pair Cable
• Co – axial CableCo – axial Cable
• Fiber optic CableFiber optic Cable
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GUIDED MEDIA
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Twisted – Pair Cable
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UTP and STP Cables
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UTP Connector
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UTP Performance
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Co-axial Cable
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13/04/23 Transmission media & modes
BNC Connectors – Bayone Neil Concelman
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Co-axial Cable Performance
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Optical Fiber
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13/04/23 Transmission media & modes
Bending of Light ray
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Propagation Modes
Propagation Modes
Multimode Single Mode
Step -Index
Graded - Index
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Modes
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Contd…
Step index
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13/04/23 Transmission media & modes
Fiber Construction
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13/04/23 Transmission media & modes
Fiber – Optic cable Connectors
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13/04/23 Transmission media & modes
Wireless Transmission
3 kHz 300GHz 400THz 900THz
Radio wave & Micro wave Infrared
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• 3kHz to 300GHz
• Omni directional
• Travel Long distance
• Applications
• AM & FM radio
• Television
Radio Waves
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• 3kHz to 300GHz
• Unidirectional
• Cannot Penetrate walls
• Applications
• Satellite Networks
• Wireless LAN’s
Micro Waves
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• 300GHz to 400THz
• Short – range communication
• Cannot Penetrate walls
• Applications
• Data transmission
• Remote control
Infrared
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Transmission Modes
Transmission Modes
Serial Mode Parallel Mode
Synchronous
Asynchronous
Isochronous
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Parallel Transmission
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Serial Transmission
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Asynchronous Transmission
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Synchronous Transmission
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• In isochronous transmission we cannot have
uneven gaps between frames.
• Transmission of bits is fixed with equal gaps.
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Isochronous Transmission
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