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Definition: hub


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

(2) In an Ethernet network, a hub is a central device to which all clients and servers are wired. Most Ethernet hubs are active 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. The Token Ring hub is officially a "Multi-station Access Unit" (MAU). See Token Ring and LAN.