Basic HTML version of Foils prepared Dec. 6 98

Foil 35 Cabling - Twisted Pair (2)

From Introduction to Internetworking Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
1 EIA-568A - new standard which covers 150-ohm STP and 100-ohm UTP (year 1995).
  • category 1: telephone cable, not suited for data
  • category 2: data transmission up tp 4 MBPS
  • category 3: transmission characteristics are specified up to16 MHz; data rates up to 16Mbps; four twists per foot;max recommended distance: 90m
  • category 4: transmission characteristics are specified up to 20 MHz; not popular
  • category 5: transmission characteristics are specified up to 100 MHz; data rates up to 100Mbps; four twists per inch;better performance; more expensive;max recommended distance: 90m
  • STP: transmissions at speed 300 MBPS; max distance 90m
in Table To:

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