Tuesday, September 16, 2014

Transmission Media -Cont

   Twisted Pair Cable
o    Twisted pair comes in two forms:

-Unshielded Twisted Pair (UTP) cable
-Shielded Twisted Pair (STP) cable
     Frequency range for Twisted Pair Cable
   Unshielded Twisted Pair (UTP) Cable
o    UTP cable is the most common type of Telecommunication Medium in
use today
o    Although  mostly  used  in  Telephone  systems,,  its  frequency  range  is
suitable for transmitting both data and voice

o    A twisted pair consists of two conductors (usually copper) , each with
its own colored plastic insulation.
o    The plastic insulation is color banded for identification
o    Colors are used both to identify the specific conductors in a cable and
to  indicate  which  wires  belong  in  pairs  and  how  they  relate  to  other
pairs in a large bundle

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