The term data network (or computer network) refers to a number of computers connected
together by electrical cable, or a wireless connection, so
that they can share common resources.
Most schools now have a data network of some sort, made up of a variety of components, which can all be a bit daunting to the newcomer!
- What is a LAN?
- A Local Area Network describes the network in your immediate area (!), such as your school.
What is a WAN?- A Wide Area Network describes a data network beyond the confines of your school. I an education environment the WAN usually refers to the network run by your District or State education system, to which your LAN is connected.
Network Speed- How successful networks are in
performing their tasks generally depends on their "speed" - how fast
information can be moved over the wires which connect the computers
together - and their reliability in doing so.
Network "speed" (and reliability)
can be affected by many factors, including not only the quality of the
various components used, but also by the workmanship used to connect
the components together, including the termination of cables into their
connectors.
How do I install a data network?- As with most specialist technology,
network construction
has become so sophisticated that it has now moved out of the "do-it-yourself"
realm. We have all seen examples of the school network which was installed
by Sally Smith's Dad or the local electrician (at the right price!),
which has been so unreliable that administrative staff have been driven to their
wit's end by breakdowns and outages, especially during wet weather!
Since the successful installation
of a data network requires a good deal of specialist knowledge,
most organisations have recommended standards for network components and installation
procedures.
Network Standards- Most organisations have a set of standards which must be observed when planning and installing a data network within the organisation.
The NSW government Information
Technology Service (ITS) sets installation standards, and maintains
a list of registered contractors who are approved to undertake network
installation work in NSW schools. This contract is known as ITS
2067. Details of this contract,
and other related NSW government IT contracts, are available from the Department
of Public Works IT Contract Page.
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