Gigabit Ethernet Technology

10 Mbps Ethernet

CSMA/CD MAC

Thick Coax(10Base5)

Thin Coax(10Base2)

Fiber

(10Base-F)

Twisted Pair

(10Base-T)

100 Mbps Ethernet

CSMA/CD MAC

Four Pair UTP

(100Base-T4)

Fiber

(100Base-FX)

Two Pair UTP, STP

(100Base-TX)

No change

AUI

MII

1000 Mbps Ethernet

CSMA/CD MAC

Four Pair UTP

(TBD)

MM Fiber

CD Laser

1300nm Laser

SM Fiber1300nm Laser

G-MII

Minor change

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