Course & Year: BSIT-3
Date Submitted: June 24, 2013
1. Twisted Pair Wire
Physical Specification:
-Twisted pair wire is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of canceling outelectromagnetic interference (EMI) from external sources; for instance, electromagnetic radiation from unshielded twisted pair (UTP) cables, and crosstalk between neighboring pairs. It was invented by Alexander Graham Bell.
Advantages and Disadvantages:
Advantages
-Twisted pair cabling is a type of wiring where two conductors are twisted together in order to cancel out electromagnetic interference from external sources. This type of cabling was invented by Alexander Graham Bell, the inventor of the telephone.One of the types of twisted pair cabling is UTP, or unshielded twisted pair. It is normally used in Ethernet and telephone systems
Disadvantages
-Disadvantages of twisted pair cable are, the cable will require direct p2p connection (point to point), for example straight from one computer to another. It will also be incompatible if connecting to more than one computer by going through a switch or hub. Cross over cables should only be used when one computer needs to connect to another one right next to it, or if you are linking to a router to configure it.
How data is transmitted:
-A method for transmitting data packets, grouped as data octets, over a LAN having a central hub linked to each of a plurality of network nodes via a physical medium consisting of four pairs of unshielded twisted pair (UTP) cable. The transmission method sequentially divides the data into data quintets. The quintets are then arranged into blocks of data quintets and sequentially distributed into four individual serial code streams. The four serial code streams are sequentially scrambled to produce four streams of randomized quintets. The