Basic HTML version of Foils prepared Dec. 6 98

Foil 14 Cable modems

From Introduction to Network WANs Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
1 Cable-modem allows high-speed access to the Internet via cable TV coaxial wiring, ADSL, twisted-pair copper, and direct broadcast satellite dishes. Works in bi-directional way
2 Characteristics:
  • Shared bandwidth technology
  • 10 Mbps to 30 Mbps downstream
  • 128Kbps-3 Mbps upstream
  • Distance from provider to customer site 30 miles;
  • 2000 miles with additional amplifiers
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