Twisted pair cable is a type of cable that consist of two independently insulated wires twisted around one another. The use of two wires twisted together helps to reduce crosstalk and electromagnetic induction from external sources. There are four pairs of wire are in a cable. This cable is invented by Alexander Graham Bell.
TYPES OF TWISTED PAIR CABLE
Shielded Twisted Pair Cable :- As the name tells us that this is shielded means covered. Each pair of cable is covered by an additional copper braid jacket or foil wrapping. This shielding helps to protect the signals on the cable from external interference. This was used in IBM token ring networks. But this cable is expensive then Unsheilded Twisted Pair.
Speed of this cable is 1000 or 1GBps.
UNSHIELDED TWISTED PAIR CABLE:- This cable is used in many Ethernet network and in
telephone systems. some subtypes of the cables is given below:-
Cat 1 2-4 Mbps speed
Cat 2 6-8 Mbps speed
Cat 3 10-20 Mbps speed ETHERNET CABLES
Cat 4 40-60 Mbps speed
Cat 5 100 Mbps speed FASTETHERNET CABLES
Cat 5 e 150 Mhz speed GIGAETHERNET CABLES
Cat 6 1000 Mbps speed
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