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    |  |  |  
    |  | Fast Ethernet (100Mb/s) Networking Technology |  | 
 
  |  | 
 
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    |  |  |  
    |  | 100 – Speed |  
    |  | Base – baseband |  
    |  | T – twisted pair |  
    |  | 4 – pairs |  | 
 
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    |  |  |  
    |  | X - 2 pair (or 1- rare) |  
    |  | UDP CAT5 |  
    |  | MLT-3 |  
    |  | 4B/5B |  | 
 
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    |  |  |  
    |  | F - Fiber |  
    |  | Separate send & receive fibers |  | 
 
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    |  |  |  |  
    |  | Class 1 |  
    |  | Larger internal delay |  
    |  | One per Fast Ethernet Segment |  
    |  | Interfaces 100BaseFX Û 100BaseTX |  
    |  | Class 2 |  
    |  | Two allowed per segment |  
    |  | All nodes of the same type |  | 
 
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    |  |  |  
    |  | Maximum distance (UDP) between repeaters – 5
    meters |  
    |  | No cable exceeds 100 meters (check Hub specifications)
 |  
    |  | Maximum distance between switches – 2000 meters (using fiber)
 |  
    |  |  |  | 
 
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