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Cat5 for telephone wiring, Cat5 for telephone wiring like search guy that like espanol

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Name: Libbey
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The new fad when building a house is to run Cat-5 cable to every wall jack. These jacks can then be used for either ethernet or phone. When we got our new house built, we chose to get four of these jacks, and we intended to use them for phone service. Unfortunately, the wifi is a bit flaky in places even with two access points.

Jack configuration

This got annoying up until the point where three of the four wall jacks were being used for ethernet, leaving just one for phone. This was a problem. The solution is to run both ethernet and phone over the same existing cat-5 cable. Every wall jack Cat5 for telephone wiring two jacks, one RJ for phone and one RJ for ethernet. This neat hack could save you a lot of money, as you only have to buy new wall plates and jacks rather than wall plates, jacks, and hundreds of feet of wire.

See how this works in the next step. Disclaimer: I'm not sure if this is legal.

The telephone company won't be pleased if you short your telephone wires together. However, if you do everything right, they won't care. Don't blame me if you shock yourself unlikelydamage Ethernet devices also unlikelydamage phones not as unlikelydamage your house wiring not too unlikelyor damage your fingers with knives rather likely.

This is made possible because of the wasteful some may say "spare" wires in cat-5 cable.

Cat 5 cable and RJ jacks have eight wires. Ethernet uses two pairs four wiresone for send and one for receive. Telephones use two wires. Therefore, you can run both ethernet and telephone over the same wire, and still have two wires left over. In fact, you could run two Ethernet jacks from a single cat-5 cable, or four telephone lines though I don't know why you would run multiple phone lines. Note that I have not done extensive testing with cross-talk between phone and ethernet, though I have seen no degradation in the quality of either when both are in use.

Also note that this procedure will not work with PoE Power over Ethernet devices. Nothing bad will happen, it just won't transmit power. See step 13 for a possibly unsafe way to keep your PoE and add phone Cat5 for telephone wiring. Also, it will not work with gigabit ethernet-- gigabit ethernet uses all four pairs. Unscrew your plate from the wall. Pop out the RJ port, and pull the wire out from the wall as far as you can.

Can you use cat 5 wire for telephone?

At this point, you need to establish a standard way of wiring the phone jack. It is a completely arbitrary choice. This must be done in the same order on every connection see above. Use a knife to trim the extra. Once this is done, reassemble the jacks using a faceplate with one additional hole. This end of the connection is now done.

You will need to find the origin of the chosen cable. Mine were conveniently labeled and came with a paper showing where each one goes. If this is not the case for you, you may have to trace them using a cable tracer. You can borrow this from your local networking guru.

My cables were terminated with RJ plugs. If you have jacks or loose wires, your job is easier. Once you have located the other end of your cable, remove it from the panel. If possible, bring it to a flat surface you can work on. Take a phone cable and cut it in half.

You only need half of a cable per jack. Inside you should find two wires surrounded by a jacket, similar to Cat 5 cable. Carefully cut and peel back the jacket, leaving an inch or two of wire sticking out. Trim the excess jacket.

Introduction: hack your house: run both ethernet and phone over existing cat-5 cable

You need to figure out which wire in the phone cable is red and which is green. Mine were both physically colored black. To figure this out, you can find a phone cable that does have colored wires and use it for reference you can see the colors sticking into the clear jacks. You can also search online or use the picture provided here.

Plug the RJ plug into a router or switch, and your computer into the RJ jack. Test this connection.

Plug the RJ plug the one on ex-telephone cord into the phone junction panel. Plug a phone into the RJ jack.

Step 1: theory

Listen for a dial tone. If both connections work, congratulations! You can get pretty fast at the process and do each jack in half an hour or less. If the ethernet connection does not work, you need to find the problem in the wires.

You may have accidentally cut an important wire trying to remove the brown pair from the jack. You may have also done this where you tried to remove the cable Cat5 for telephone wiring. In most cases, the only good way to fix this is to re-crimp the terminator onto the cable. Other fixes such as soldering will greatly degrade the quality of your connection. Remember that twisted-pairs in an ethernet cable can only be untwisted for half an inch on each end of the cable, or else crosstalk will occur. If the phone connection has problems, first examine the physical wires.

Most likely the bending or cutting of these wires has caused a break in them. If you find a break, it is acceptable to solder it to fix it-- phone is not as high-quality as ethernet. A multimeter may be helpful here. Afterwards, check that your wires are attached to the proper place on the jack. One wire should go to the red terminal, and one to the green terminal.

Do not confuse the green terminal with the solid green Cat 5 wire. Finally, check that your wires are the same on both ends-- that is, Cat5 for telephone wiring striped to red, solid to green. Most likely it is a different problem, as long as you were diligent enough to double-check all the orientations.

Power over Ethernet is a technology that allows ethernet devices such as access points to operate without the need for wall power. It is not used widely except in businesses. Since you disconnect one of these pairs using this method, PoE will simply stop working it is not dangerous to use PoE devices, the wires are simply disconnected.

Telephone jack

If you desperately need to use a low-power PoE device, you may get around this by only using one wire from each pair for phone. One example of this would be the striped brown wire and the striped blue wire. Then, the solid Cat5 for telephone wiring wire and solid blue wire would continue to work for PoE. However, this halves the maximum current that the cable can handle and may present a fire hazard when using large power-hungry devices.

I do not recommend this, but it is a possibility. Question 2 months ago. All of the bedrooms in my house have wall plates with RJ45 outlet. Currently we have cable internet and a phone landline. I would like to change some of the bedrooms to hard wire Ethernet internet connection. The photo is the current setup. This is my plan and can you please let me know if this will work or not?

Disconnect the green cables for the rooms that I want to have hard wired internet and add RJ45 connectors to them. Plug them into a multiport switch.

Plug the internet cable to the modem and the multiport switch to the modem. Now would all the rooms that are hard wired be ready for hard wired connection and also able to have wireless access points there? AC for advanced users 5. Reply 3 years ago. Cat5 for telephone wiring requires Cat5e.

Cat5 MHz doesn't have the bandwidth to sustain the gigabit aling rate MHz. Rather than hack apart your wires in the wall, you can buy or build what's known as a "splitter. They're easily available to split the cable into two ethernet channels, or four phone channels. Making a custom one is as easy as doing what you did here with a short piece of cable and putting a plug on the end of it.