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You are here: Home / CompTIA / Network+ / Section III: Network Media and Topologies / Chapter 20: Wiring Distribution / Smart Jacks

Smart Jacks

Sometimes the box that creates the demarcation point in the network is in fact a specialized and intelligent device. They are usually referred to as smart jacks (see Figure 20.3 below) but they are also called:

  • Network interface devices (NIDs)
  • Network interface units
  • Telephone network interfaces

 

Figure 20.3 – Smart Jacks

 

The smart jack is more than just a simple interface. It . . .

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