IEEE 802.3 is a set of standards that define the physical and data link layers of wired Ethernet networks, focusing on how devices communicate over local area networks (LANs). This standard ensures interoperability between different manufacturers’ equipment and specifies various types of physical media and transmission speeds, including the well-known 10BASE-T and 100BASE-TX Ethernet technologies. Understanding IEEE 802.3 is essential for developing efficient communication protocols for programmable logic controllers (PLCs) in industrial settings.
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