Switches

DEFINITION: Also see repeater, hub, bridge, gateway, and router.

In a telecommunications network, a switch is a device that channels incoming data from any of multiple input ports to the specific output port that will take the  … 
Definition continues below.

SWITCHES DEFINITION (continued): …  data toward its intended destination. In the traditional circuit-switched telephone network, one or more switches are used to set up a dedicated though temporary connection or circuit for an exchange between two or more parties. On an Ethernet local area network (LAN), a switch determines from the physical device (Media Access Control or MAC) address in each incoming message frame which output port to forward it to and … 
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