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4B/5B A block encoding scheme used to send Fast Ethernet data. In this signal encoding scheme, 4 bits of data are turned into 5-bit code symbols for transmission over the media system.
10BASE-T
10 Mbps Ethernet system based on Manchester signal encoding transmitted over Category 3 or better twisted-pair cable.
10BASE-FL
Popular 10 Mbps link fiber optic solution which replaces the older FOIRL implementation utilizing 850 nm fiber optic technology.
100BASE-FX
100 Mbps Fast Ethernet system based on 4B/5B signal encoding transmitted over fiber optic cable utilizing 1300 nm fiber optic technology.
100BASE-SX
850 nm fiber optic technology that supports auto-negotiation. 100BASE-SX devices can communicate with 10BASE-FL devices at 10 Mbps and other 100BASE-SX devices at 100 Mbps.
100BASE-TX
100 Mbps Fast Ethernet system based on 4B/5B signal encoding transmitted over two copper pairs.
100BASE-X
Term used when referring to any Fast Ethernet media system based on 4B/5B block encoding. Includes 100BASE-TX and 100BASE-FX media systems.
802.3
IEEE Working Group for CSMA/CD LANs.
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