Topic summary
100BASE-TX

Extracted from the Wikipedia article Fast Ethernet.
100BASE-TX
100BASE-TX is the predominant form of Fast Ethernet, and runs over two pairs of wire inside a Category 5 or above cable. Cable distance between nodes can be up to 100 metres (328 ft). One pair is used for each direction, providing full-duplex operation at 100 Mbit/s in each direction.