Fast Ethernet Standards

• 100BASE-T4: 100 Mb/s over 4 pairs of CAT-3, 4, 5

• 100BASE-TX: 100 Mb/s over 2 pairs of CAT-5, STP

• 100BASE-FX: 100 Mbps CSMA/CD over 2 fibers

• 100BASE-X: 100BASE-TX or 100BASE-FX

• 100BASE-T: 100BASE-T4, 100BASE-TX, or 100BASE-FX

100BASE-T

100BASE-T4

100BASE-X

100BASE-TX

100BASE-FX

100BASE-T2

Based on FDDI Phy

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