Maximum Length for Twisted Pair Cable for LAN Output Between Two Routers

Question

Hello I want to connect the network at home to a second router 2 floors below. (WLAN does not reach) At what length of twisted pair cable can be used for LAN output? Brack.

bogiebog · Answer

100m

Wafer · Answer

If a good cable (read 100% copper) then from what I remember up to 100m. In any case, 2 floors will work for sure without any problems, even on a poor quality twisted pair. Greetings.

wajsxy · Answer

I once bought 50m of copper cable, connected two apartments and how surprised I was that the network does not work,
why we reprimanded to find what is wrong, I called the store to ask if maybe the cable is of poor quality,
the seller claimed that he had from a verified source and is of very good quality,
only by accident we noticed that a piece of broken wire stuck to the magnet,
I scraped the longer piece with a knife and it turned out that under the top layer of copper sits a normal steel wire,
I thought that the dung in the store I will smash, the same day the guests from the store connected two apartments with a new real copper cable.

T.O.M.M.Y · Answer

For two floors it will definitely work as my colleague wrote earlier twisted pair up to 100 meters then the signal fades at my longest link was 90 meters and it worked without any problems

blues · Answer

Cat.5e cable when done correctly, according to the standard, the ends should safely pull 100m. More you will not normally get. at one time 3Com declared on its equipment with cat.5 cabling maximum range of 300m, but after some time they withdrew from this, because there were problems with it. Nevertheless, if you need that much range you can try to strike in that direction (3Com 905 for example). And preferably fiber optic. These days it's no longer expensive equipment, and you get any range you want in practice.

piterus99 · Answer

Don't be so forward with the light anymore - you need to buy 2 mediaconverters and what's most troublesome - the right length of cable with the ends made. Now if you have a twisted-pair cable, even with a hammer and screwdriver you will tighten it, the light even requires skillful laying.
On the cable you will also let go 1Gbps over such a distance. It is less cumbersome for connecting two floors than light, so let's not exaggerate.

blues · Answer

No exaggeration - I use fiber optics every day and once laid it is much less problematic than copper. With copper always something happens and only with it I practically have problems. True that making the ends is problematic, but just order a patchcord of the right length with even a large margin, because the distance matters less here. It does not cost more than copper. Problems with laying? you need the same as with copper to be careful not to bend. And converters? new cost 100/pc - you can buy used much cheaper, especially multimode. There is no need to be afraid of fiber optics, it is a simple technology.

Wafer · Answer

...a colleague asked for 2 floors and a piece of twisted-pair cable, and ended up with +300m and 1Gbit fiber. .

blues · Answer

One time - he did not specify the parameters. I had 2 floors that together with the corridor had 90m of line length after a lot of combinations on how to shorten the line, so... Two - he got the full details of what he asked and an alternative solution. Three - gigabit is currently _very_ cheap, so why not use it? Therefore I don't understand where these comments come from....

witux · Answer

Look at Link .

blues · Answer

Fine table - just out of obligation I will mention that for fiber optics the distances given and the legend to them are nonsense. Standard distances are much larger.

witux · Answer

I didn't mean fiber optics.

recki-quadra · Answer

According to the standards, the maximum distance is about 100 meters (I do not want to look for it exactly, but I think it was 93 or 97 meters?) in practice, I have even seen sections coming quite close to 200 meters - packet losses varied, but for home use it was not very troublesome, for sharing the Internet it worked well. As the previous speakers wrote - it is important to give good cards and, of course, at least a decent cable (on the market is a mass of aluminum cable - copper - this one is not even decent)

Bracket · Answer

Hello
May I speak up(I finally started a topic)
Thanks for all the replies.
Distance I had to connect -30m.
Cable I had UTP - but already a bit old (some 10-12 years).
No contact. I 'rewound' the cable, there is a transition. Once again I cut the plugs carefully tightened - it works. Three more Lan's to the computers
After a hard day, the network works.
Next time I will buy a new cable (preferably FTP).
Greetings.

dozowacz · Answer

Copper rusts and does not have the same conductivity, and on top of that the storage conditions also do their part, well that's okey.

blues · Answer

Not only that - 10-12 years is the outer coating is already hard and brittle (unless the twist was once from a really top shelf and adapted to outdoor conditions).

Maximum Length for Twisted Pair Cable for LAN Output Between Two Routers

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