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Ethernet is a family of frame-based computer networking technologies for local area networks (LANs). The name comes from the physical concept of the ether.
It defines a number of wiring and signaling standards for the physical layer, through means of network access at the Media Access Control (MAC)/Data Link Layer, and a common addressing format.
Ethernet is standardized as IEEE 802.3. The combination of the twisted pair versions of Ethernet for connecting end systems to the network, along with the fiber optic versions for site backbones, is the most widespread wired LAN technology.
It has been in use from around 1980[1] to the present, largely replacing competing LAN standards such as token ring, FDDI, and ARCNET.
Source: Wikipedia (http://en.wikipedia.org/wiki/Ethernet)
Here are the best overviews and tutorials for ethernet:
- overview, 4 stars
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Industrial Ethernet @ Wikipedia
Industrial Ethernet is the name given to the use of the Ethernet protocol in an industrial environment, for automation and production machine control.
Until recently, a PLC would communicate with a slave machine using one of several possible open or proprietary protocols, such as Modbus, Sinec H1, Profibus, CANopen, DeviceNet or FOUNDATION Fieldbus.
However, there is now increasing interest in the use of Ethernet as the link-layer...
- overview, 4 stars
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The Online Industrial Ethernet Book
Industrial Ethernet has become a byword for forward thinking industrial networking in the 21st Century, and The Industrial Ethernet Book has been at the forefront of this revolution, with editorial reflecting the latest news and technology from this exciting marketplace.
- tutorial, 4 stars
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5 Days to Industrial Ethernet
If you're putting Ethernet in your factory, there are some very important things you need to consider before you get started. • Criteria for selecting cables, hubs, switches and network cards. • Important facts about system layout. • Questions you should always ask your vendors about application layer protocols. • Security issues and best practices for maintaining a healthy system over the long haul.
To browse all sites for 'ETHERNET,' click
here
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