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Network Switch

Network Switch
 A network switch is a computer networking device that connects devices on a computer network by using packet switching to receive, process, and forward data to the destination device.
  
What is the purpose of switch?
Switches feature several network ports, sometimes dozens, to connect numerous devices together. Typically, a switch connects physically, via a network cable, to a router and then physically, again via a network cable, to the network interface cards in whatever network devices you may have.

Types of switches: 
  1. Single Pole Single Throw Switch (SPST) .
  2. Single Pole Double Throw Switch (SPDT).
  3.  Double Pole Single Throw Switch (DPST).
  4.  Double Pole Double Throw Switch (DPDT).
  5. Push Button Switch.
  6. Toggle Switch.
  7. Limit Switch.
  8. Float Switches.

 

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