In telecommunications networks, a node (Latin nodus, ‘knot’) is either a redistribution point or a communication endpoint. The definition of a node depends on the network and protocol layer referred to. A physical network node is an electronic device that is attached to a network, and is capable of creating, receiving, or transmitting information over a communications channel.[1] A passive distribution point such as a distribution frame or patch panel is consequently not a node.
https://en.wikipedia.org/wiki/Node_(networking)
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