Ethernet uses a bus (very old coaxial cable) or star topology (standard UTP cable equipped with RJ-45 connectors). Nowdays ethernet over twisted pair ( RJ-45 connection) runs at 10Mb, 100Mb, 1Gb or 10Gb per second. It was originally developed by Xerox Corporation in cooperation with DEC and Intel in 1976.
There are several specifications of Ethernet RJ-45 connection over twisted pair: oldest 10Mbit ( Ethernet), old but still used 100Mbit ( Fast Ethernet), modern 1Gbit ( Gigabit ethernet) or newest 10Gbit ethernet. Ethernet cable wiring for any of those RJ45 interfaces may be easily crimped by yourself.Įthernet is officially standardized by IEEE standard 802.3.
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