UKQA2072 - ICT Service For Community

Week 3: Difference between RJ11, RJ45 and Fiber Optic

RJ45

Details

Characteristic (RJ45)

  • The standard wired Ethernet over copper cable connector.
  • It’s what plugs into the back of your computer.
  • 8 Position
  • 8 Conductors
  • Mainly used in networks wiring.

 

 

 

RJ11

Details

Characteristic (RJ11)

  • The “telephone” standard.
  • Almost certainly has an RJ11 phone jack, or a cord with an RJ11 connector, attached to it.
  • 6 Position
  • 4 Conductor
  • Used for ADSL, telephone, and modem cables etc.

Fiber Optic

Details

Characteristic (Fiber Optic)

  • Consist of multiple strands of optic fibers, hairlike strands of pure glass designed to transmit light.
  • Have an outer protective layer known as a "buffer".
  • Used as transmission wire in communications, cable television and the Internet.

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