Physical Layer

Content

• Twisted Pair
• Cross talk
• Shielded twisted pair

• Cable types:

  • cat 5
  • cat 5e
  • cat 6

• Serial cable
• Coaxical cable
• Cross over vs. Stright throw cable
• Rj-45 (568 a/b)

• fiber - modes:

  • single mode
  • multi mode

• fiber - connectors:

  • ST connector
  • SC connector
  • LC connector