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PLANNING
Full-Duplex Operation
Full duplex is a transmission method that allows a network
device to transmit and receive concurrently. This mode is sup-
ported by some 10BASE-T and 100BASE-TX switches and net-
work cards, but not by hubs or by 100BASE-T4 devices.
Connecting a pair of devices that can operate in full-duplex
mode eliminates collisions and effectively doubles the band-
width of that segment. In addition, full-duplex operation can
also be used to extend Fast Ethernet fiber cabling distances.