Guided Media

Content
1. Introduction:
Transmission media
2. Factors Effecting Data Communication:
• Bandwidth
• Transmission impairments
• No. of receivers
3. Factors of choosing transmission medium
• Transmission Rate
• Distances
• Cost and Ease of Installation
• Resistance to Environmental Conditions
4 :Categories
• Bounded/Guided Media
• Unbounded/Unguided Media
5.Bounded/Guided Media
• Coaxial Cable
• Twisted Pairs Cable
• Fiber Optic Cable

6.Conclusion

TRANSMISSION MEDIUM
Transmission medium is the physical path between transmitter and receiver in a data transmission system.The characteristics and quality of data transmission are determined both by the characteristics of the signal.

Factors Effecting Data Communication Of Medium

Bandwidth: All other factors remaining constant, the greater the bandwidth of a signal, the higher the data rate can be achieved.
Transmission Impairments: Impairment, such as attenuation, limit the distance. For guided media, twisted pair generally suffers more impairment than coaxial cable, which in turn suffers more than optical fiber.
Number of Receivers: A guided media can be used to construct a point to point link or a shared link with multiple attachments.

Transmission media can be classified or unguided. In both cases, communication is in the form of electromagnetic waves. With guided media, the waves are guided along a solid medium, such as copper twisted pair, copper coaxial cable, and optical fiber. The atmosphere and outer space are examples of unguided media that provide a means of transmitting electromagnetic signals but do not guide them; this form of transmission is usually referred to as wireless transmission systems.