3. transmission media

Transmission Media ( Guided and Wireless Transmission ) Pg 128

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Key Points

Design Factors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

2.2.1 Guided Transmission Media ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PC’s RAM NIC LAN’s backbone signal signal

Transmission Characteristics of Guided Media Frequency Range Typical Attenuation Typical Delay Repeater Spacing Twisted pair (with loading) 0 to 3.5 kHz 0.2 dB/km @ 1 kHz 50 µs/km 2 km Twisted pairs (multi-pair cables) 0 to 1 MHz 0.7 dB/km @ 1 kHz 5 µs/km 2 km Coaxial cable 0 to 500 MHz 7 dB/km @ 10 MHz 4 µs/km 1 to 9 km Optical fiber 186 to 370 THz 0.2 to 0.5 dB/km 5 µs/km 40 km

Twisted Pair – Physical Description

Twisted Pair - Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Twisted Pair - Pros and Cons ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Twisted Pair - Transmission Characteristics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Coaxial Cable - Physical Description

Coaxial Cable - Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Coaxial Cable - Benefits ,[object Object],[object Object],[object Object],[object Object]

Coaxial Cable - Transmission Characteristics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Optical Fiber - Physical Description

Optical Fiber - Benefits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Optical Fiber - Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Optical Fiber Transmission Modes

Wireless Transmission Frequencies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Antennas ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Terrestrial Microwave ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Satellite Microwave ,[object Object],[object Object],[object Object],[object Object],[object Object]

Satellite Point to Point Link Uplink Downlink

Broadcast Radio ,[object Object],[object Object],[object Object],[object Object],[object Object]

Infrared ,[object Object],[object Object],[object Object],[object Object]

Wireless Propagation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Line of Sight Transmission’s Impairment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],END!!

Key Points ,[object Object],[object Object],[object Object],[object Object]

Key Points(2) ,[object Object],[object Object],[object Object]

Local Telephone Exchange ,[object Object],[object Object]

private branch exchange ,[object Object]

3. transmission media

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3. transmission media