Basic HTML version of Foils prepared Dec. 6 98

Foil 18 Fast Ethernet (1)

From Introduction to Local Area Networks LANs Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski


specification: IEEE 802.3u
speed: 100 Mbps
access method: CSMA/CD;
topology: star; applications: enterprise servers, backbone
frame size : 64-1500 Bytes
Three media types: 100base-TX, 100base-FX, 100base-T4
100base-TX
  • wiring : cat5 UTP / STP; max. length of point-to-point connection: 100m;
  • connector : 8-pin (RJ45), 9-pin (D-type)
  • two pair of wire: one for receive and one for transmit; 100baseX signaling
  • max network diameter 200 m; max 2 hubs (repeaters) between DTEs
100base-FX
  • wiring 62.5/125 multi-mode fiber-optic cable; 2 strands;
  • DTE-to-DTE length : 400 km; 100baseX signaling
  • connector SC, ST, MIC



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