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Appendix B:
100BASE-T Topology
Rules and Guidelines
This appendix describes
• 100BASE-T physical layer media specifications
• Repeater rules
For a complete explanation of the set of 100BASE-T rules and
guidelines, refer to the Institute of Electronics Engineers (IEEE)
100BASE-T 802.3u standard.
For information about cables for Ethernet networks, refer to the
Electronic Industries Association/Telecommunications Industry
Association (EIA/TIA) wiring standard EIA/TIA 568.
Physical Layer Media
Specifications
These three media specifications are associated with 100BASE-T.
• 100BASE-TX
• 100BASE-FX
• 100BASE-T4