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OSI - Coggle Diagram

- - - - A physical conductor between two nodes
        
        copper
        
        fibre optic
        
        bounded media
    - - Uses free space between nodes such as microwave
        
        unbounded media
    - - segment
        
        Area of a larger network
      - A network is divided into segments to cope with physical restrictions
        
        improve performance
        
        all nodes share access to the same media
    - - mechanical specifications for the network medium
        
        cable specifications
        
        medium connector
        
        pin-out details (number of functions of the various pins in a connector)
    - - transmitting and recieving encoded data over the network medium
      - modulation schemes
      - timing/synchronization
    - - Transceiver
        
        interface that sends and receives signals over the network media
      - Repeater
        
        amplifies an electronic signal to extend the maximum allowable distance for the media type
      - Hub
        
        multiport repeater, deployed for hte connection of nodes
      - Media converter
        
        converts one signal type to another
      - Modem
        
        device to modulate/demodulate digital data over an analogue line