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Definition: hub


(1) See Web hub, digital media hub and intelligent hub.

(2) In an Ethernet network, a device to which all clients and servers are wired. Most Ethernet hubs are active hubs and regenerate the data bits on the output side in order to maintain a strong signal. Ethernet hubs have mostly given way to Ethernet switches. See Ethernet, hub vs. switch and LAN.

(3) In a Token Ring network, a device to which all clients and servers are wired. It is officially known as a "Multi-station Access Unit" (MAU). See Token Ring and LAN.