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.
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hub
1. the central portion of a wheel, propeller, fan, etc., through which the axle passes
2. Computing a device for connecting computers in a network
hub [həb]
(building construction)
The core section of a building from which corridors extend.
(computer science)
An electric socket in a plugboard into which one may insert or connect leads or may plug wires.
(design engineering)
The cylindrical central part of a wheel, propeller, or fan.
A piece in a lock that is turned by the knob spindle, causing the bolt to move.
A short coupling that joins plumbing pipes.
(engineering)
In surveying, a stake that marks the position of a theodolite.
(metallurgy)
A steel punch used in making a working die for a coin or medal.
| (networking) | hub - (By analogy with the hub of a wheel) A device
connected to several other devices. In ARCnet, a hub is used to connect several computers together. In a message handling service, a number of local computers might exchange messages solely with a hub computer. The hub would be responsible for exchanging messages with other hubs and non-local computers. |
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