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Chapter 4 (1973 Xerox Develops Ethernet (Bus topology (10BaseT becomes the…

- - - - Limited to 185 Meters in length on coaxial cable RG-58
    - - 10BaseT Hubs use 'ports' as connections between computers on the network
        
        Can have around 4 to 48 ports
      - The 'T' refers to the cabling (Unshielded Twisted Pair or UTP)
        
        Needs CAT 3 cabling or higher
      - Introduces the RJ-45 connector
      - 10BaseFL
        
        2000 meter transmit limit
        
        No more than 1024 nodes per hub
        
        Uses multmode fiber-optic cabling
  - - - Coaxial Cable
      - 10 Mbps
      - Creates IEEE 802.3 (Ethernet)
        
        Standard is still controlled today
- - - - Type
        
        Data
        
        Pad
        
        Frame Check Sequence FCS
        
        Makes sure the data transfer is not corrupted
        
        Used to bring the frame of data up to 64 bytes if the frame is small
        
        Contains the actual payload of the frame
        
        Helps the receiving computer interpret the frame contents
        
        Does not tell the receiving computer if higher level data is included, aka. emails or web pages