Basic HTML version of Foils prepared 5 February 98

Foil 23 Cabling - Twisted Pair (2)

From Introduction to Networking Technologies CPS640 MultiMedia and Networking -- Spring Semester 1998. by Roman Markowski
Attenuation - the strength of a signal falls with distance over any transmission medium
Crosstalk - a major source of noise in twisted-pair cable; it is caused by signal "leakage" from adjacent wires
Comparison:
  • UTP cat 3 - good; four twisted pair required with 25Mbps for each pair;
  • UPT cat 5 - better; two twisted pair;
  • STP - best
Application: Fast Ethernet, ATM, and CDDI
Connector: RJ45

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