Ethernet 100Base-TX Network
The most popular 100Base-X standard, runs over existing 5 UTP wire of 10Base-T
Only two segments, length ~200m
Can mix 10 Base-T and 100Base-T stations/NICs with hubs that take both types
Use the same 802.3 MAC standard of 10 Base-T
Market has chosen Ethernet 100Base-TX for desktop connection over FDDI