A repeater hub also participates in collision detection, forwarding a jam signal to all ports if it detects a collision.
A hub works at the physical layer (layer 1) of the OSI model.
It has multiple input/output (I/O) ports, in which a signal introduced at the input of any port appears at the output of every port except the original incoming. Device for interconnecting Ethernet devices 4-port 10BASE-T Ethernet hub with selectable MDI-X/MDI port 8-port Ethernet hub with one 10BASE2 connector and eight 10BASE-T portsĪn Ethernet hub, active hub, network hub, repeater hub, multiport repeater, or simply hub is a network hardware device for connecting multiple Ethernet devices together and making them act as a single network segment.
