Hub is a bit of a marketing term for an EthernetRepeater in the 10BaseT+ world.
In older networks (10Base2 and the like), an EthernetHub was used as the centre point to connect multiple segments together. Since a single UTP cable in a 10BaseT+ environment is a bit like a segment on its own, the term Hub was carried across
Part of CategoryNetworking
3 pages link to EthernetHub: