Barco DP2000/2500 Closed User Group CUG, Codec, Delta Topology, Distributed Computing / Working

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CLOSED USER GROUP: (CUG)

A subgroup of users on a network who can connect and communicate with each other. One or more members of the CUG can have access to the wider network.

Co-Axial Cable aka co-ax:

This is a cable consisting of an inner core and an outer braid separated by a layer of insulation.

CODEC:

Short for ENCODER-DECODER. A device, which converts analogue signals to digital signals that, will be used on a digital network & visa versa.

DELTA TOPOLOGY:

A type of network that has no central site. See TABLE 1

DISTRIBUTED COMPUTING / WORKING:

An arrangement where the processing power of a network is distributed between all the PC's on a network, rather than being centralised in a server or main frame.

DISTRIBUTED PROCESSING:

The way that information is shared between the PC's on a network. In a way, the computers share the work between them.

DUPLEX CIRCUIT:

A FULL DUPLEX CIRCUIT can transmit and receive data at the same time, A HALF DUPLEX circuit, can only send or receive data in one direction at one time. Also see SIMPLEX

ENTERPRISE NETWORK:

A term used for a private network linking sites and individuals within 1 organisation. This can take the form of certain WAN's.

30/05/02 Document Systems Support V1.0