From the course: Networking Foundations: Networking Basics
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Copper cabling
From the course: Networking Foundations: Networking Basics
Copper cabling
- The wire that we use in a wired network is typically some sort of twisted pair cabling like we see here. The reason it's called twisted pair cabling is because we have different pairs of wires that are literally twisted together. The reason for the twisting is to combat one of the biggest enemies in data transmission and that is electromagnetic interference. We have so many electromagnetic waves in our environment that if we didn't twist the wires, the wires could become antennas. They could start picking up interference and they could also generate their own interference maybe impacting other devices. But by twisting the pairs together like this, each wire in a pair is shielding the other wire from this interference. However, when we start transmitting at really high data rates or when we're in an environment with a lot of electromagnetic interference like a factory floor, they've got these big motors kicking on a…
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