# Types of Guided Media

## Coaxial Cable

<figure><img src="https://1434058987-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fb1nVtRkLH1e8o4i9oQh2%2Fuploads%2FporbOKS4gvDPpiPJ8sv3%2Fimage.png?alt=media&#x26;token=17a4dce4-faa8-40a7-a7b6-a88ec4add788" alt="" width="375"><figcaption></figcaption></figure>

* [ ] Structure of Coaxial Cable
  * [ ] Inner Conductor: A copper wire carries the signal
  * [ ] Insulating Layer: Surrounds the conductor and prevents signal loss
  * [ ] Metallic Shield: Protects the signal from electromagnetic interference
  * [ ] Outer Plastic Jacket: Protects the cable from physical damage
* [ ] Uses
  * [ ] Cable Television Networks
  * [ ] Broadband Internet Connections
  * [ ] CCTV Camera Systems

## Twisted Pair Cable

<figure><img src="https://1434058987-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fb1nVtRkLH1e8o4i9oQh2%2Fuploads%2FgfzxizNcpT13jZxqsrz5%2Fimage.png?alt=media&#x26;token=a211ab91-ca5d-415d-bbbf-60438b854799" alt="" width="375"><figcaption></figcaption></figure>

* [ ] Structure of Twisted Pair Cable
  * [ ] Inner Conductor: Two copper wires carries the signal
  * [ ] Insulation Layer: Each copper wire is covered with plastic insulation to prevent short circuits and protect the signal
  * [ ] Twisting of Wires: The two insulated wires are twisted together. Total Four Pairs of Cable. This twisting reduces electromagnetic interference (EMI) and crosstalk.
  * [ ] Outer Protective Jacket: A plastic outer cover surrounds the wires to protect the cable from physical damage and environmental effects.
* [ ] Uses
  * [ ] Telephone Communication
  * [ ] Ethernet Networks (LAN)
  * [ ] Internet Connections
* [ ] Type of Twisted Pair Cable

  * [ ] Shielded Twisted Pair Cable (STP) - Additional metallic shielding layer
  * [ ] Unshielded Twisted Pair Cable (UTP) - No additional metallic shield

  <figure><img src="https://1434058987-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fb1nVtRkLH1e8o4i9oQh2%2Fuploads%2FmMrXZivl8p9jwiV13SjI%2Fimage.png?alt=media&#x26;token=98cd110d-d6f3-4bd0-bf77-6e698a1914fe" alt=""><figcaption></figcaption></figure>

### Fiber Optics

<figure><img src="https://1434058987-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fb1nVtRkLH1e8o4i9oQh2%2Fuploads%2FXiBzNrjf0Q3TMuiUSigh%2Fimage.png?alt=media&#x26;token=f6ca99e9-b669-46bc-ac9a-8947f096f99b" alt="" width="335"><figcaption></figcaption></figure>

* [ ] Structure of Fiber Optic Cable
  * [ ] Core: The central glass or plastic fiber where light signals travel
  * [ ] Cladding: A layer surrounding the core that reflects light back into the core, preventing signal loss
  * [ ] Buffer Coating: A protective plastic layer that protects the fiber from moisture and physical damage
  * [ ] Outer Jacket: The outer protective covering that protects the cable from environmental damage
* [ ] Uses
  * [ ] High Speed Internet Connection
  * [ ] Long Distance Data Communication
* [ ] Type of Fiber Optics Cable
  * [ ] Based on Mode
    * [ ] Single/Mono Mode Fiber
    * [ ] Multi-Mode Fiber
  * [ ] Based on Refractive Index
    * [ ] Step Index Fiber
    * [ ] Graded Index Fiber

<figure><img src="https://1434058987-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fb1nVtRkLH1e8o4i9oQh2%2Fuploads%2Fu5ZfsRmpFqXMN6AgZIkL%2Fimage.png?alt=media&#x26;token=480d9992-062d-40b1-a927-3caf42203efa" alt=""><figcaption></figcaption></figure>


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