Self-powered USB hubs that have their own power supply and are able to supply power to USB devices that require 100mA or more power. USB hubs without power supplies are referred to as passive hubs.
A computer device designed to regenerate and retransmits all signals over a network.
n. The central computer that regenerates and retransmits all signals in an active star network. See also active star.
A hub that allows communications between the WAN (Wide Area Network) and each physical LAN (Local Area Network) segments. It does not allow data to pass from one physical LAN segment to another.
a network device used to amplify signals when extending or bridging. It is active because it has its own power supply. otherwise it would be passive.
The central connecting device in a network that regenerates or amplifies transmission signals. An active hub can be used to add workstations to a network or to increase the distance between workstations and a file server. See also passive hub, intelligent hub, repeater.
