In an Ethernet cord, 2 wires transmit and 2 receive data. But what are the differences between them all?

Question

In a standard Ethernet cord, I know there are 4 wires. 2 wires transmit and 2 receive data. But what are the differences between them all? Like what differences do the 2 that receive have? and the same for the transmit wires?

Thanks!

Answer 1

If I have this right, the brown and the blue pairs are unused or used for grounding purposes (if you make your own custom cables, and you want to run a phone line and an ethernet LAN line over the same wire, the brown or blue pair can be used for voice, though this can create crosstalk and slow down your internet connection if you are using the phone)

The orange pair is sending, and the green pair is receiving, this can be the other way around as well, it depends if you are using a 568A or 568B terminated cable

I do not know what is positive or negative, but the wires with a white stripe or ring is "tip" and the solid colors are "ring", ("tip" and "ring" are terms used in the voice and data companies and installers)

What Luis said is wrong, the positive and negative only has to do with the electrical current, to complete a circuit, not the data going through it, it's just that in phone lines and some other cables, positive and negative is used for send and receive, positive and negative wires are usually pretty close to each other, so if you put send and receive as positive, they will be next to each other and cause crosstalk, but for every positive current, there must be a negative current, requiring 4 wires, the positive and negative of send, and the positive and negative of receive

Answer 2

all those wires are to send and receive data there is no difference at all so the the 2 wires for transmitting are for + sending data -receiving data

wire 1 + wire 2 -

same thing goes for the other 2 pairs of wires there almost the same thing but they worked differently the other wires are for transmitting packets and receiving packets.