Can you use rj45 for telephone




















Right next to 1A sits a port named 1B. If I wanted to run a few of these cords that are connected to the telephone hub as Ethernet to the rooms, is the fix as easy as buying an Ethernet switch, unplugging the cables from the telephone switch and plugging them into the new switch, and connecting the Ethernet switch to the small white box i talked about previously? For the last couple of decades, many new homes have been wired using UTP cabling because its not significantly more expensive than plain old phone cabling.

It will be relatively straightforward to reterminate both ends of each wire. At the room end, you will need a new faceplate and a new jack for each wire. One jack per cable is correct - ethernet can't be daisy chained like a phone.

There's some cost saving putting a cat5 jack on cat6 wiring, but there's literally no gain putting a cat6 jack on cat5 wires. At the central point, there should be one run of cable to each remote room. If you don't have this, then someone's done daisy chaining and you need to investigate further. The wires in the walls should be Solid Core. While it is possible to get plugs for this, the normal best-practice is to terminate the solid core wiring on a patch panel, something like this :.

Tools : Crimp for plugs, punch-down tool for jacks, a cable stripper for ethernet. Optionally a tone source tool can help with discovery, and a cheap link tester helps show if any of the individual wires are broken. And the usual screwdrivers etc. Consumables : wall plates, jacks, one patch panel the most expensive item , a short stranded patch cable per link, a longer stranded patch cable for use in the remote rooms. You also need to think how your router can connect to this switch.

Its possible to use one link to backfeed the LAN through to a switch at the central point. It may work for you to move the router into the central point, though this can cause issues with wireless ethernet signal strength. It sounds like you have not just Cat5e wires, but RJ45 on both ends. If so, you probably already have everything you need on that end to make it Ethernet. 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 service. 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. 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. 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. 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 jacket. 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. Can you convert RJ45 to RJ11? Does RJ11 to RJ45 adapter work? What is difference between RJ11 and RJ45?

Can I use a RJ45 jack for phone? Are all RJ45 connectors the same? Can you use Rj12 instead of RJ11? Which is better RJ11 or RJ12? Which is better RJ11 or RJ45?

Is there a difference between Cat6 and CAT5 connectors? Is RJ45 the same as Cat6? Can I plug a Cat6 cable into a Cat5 jack? Can you use Cat5 RJ45 for Cat6? Should I wire my house with Cat6? What is the best Ethernet cable for gaming ?

Will a ft Ethernet cable work? They look like this. The above is a standard 6P4C telephone jack that supports 2 phone lines.

Line 1 is on the center pins line 2 is on the next set of outer pins. If twisted pair wiring is used the colors would be white-blue for green, blue for red, white-orange for black and orange for yellow.

If you hook up a single line phone it will only make a connection with pins 2 and 3 line 1. With a two line phone you'll use all 4 pins. The Jack supports 4 lines, the phone supports 4 lines this should be easy right?

Nope, not usually. The problem is that most standard 4-line phones don't have a single 4 line RJ45 jack, instead they usually have 2 6P4C RJ11 jacks that support 2 lines each. There are a few ways to handle this correctly but let's first talk about how not to do it. You may think that it would make life easy if you just split the pairs of cables behind the wall plate and use 2 RJ11 keystone jacks.

This will theoretically work and considering it's just phone there will be minimal issues with interference having a bunch of exposed pairs but it can lead to problems. You will obviously increase the chances of having interference, the wires will be easier to damage, you're going to be taking up extra space in the wall plate and you lose the ability to easily change that port to a network port in the future.

It's also prohibited in the spec. These are fairly easy to find but just make sure you're not getting a regular telephone splitter 1 RJ11 to 2 RJ It needs to have a male RJ45 on one side and 2 female RJ11's on the other. On one end you'll crimp an RJ45 jack following the pinout used in your wall jack. On the other you'll crimp 1 or more RJ11 jacks. If you just want to pull one line out for a single phone, pick the pair of wires for the line you want and insert them in the center pins of the RJ You can also do 2 2-line RJ11 plugs, 4 1-line RJ11 plugs, whatever works for you.

Manufacturers of structured wiring systems also have premade break out boxes that will allow you to access the 4 lines in different ways.

The Leviton x4 4x4 Breakout Module is one example. Punch down tool with cutting and non cutting blade Modular Plug crimper Screwdriver.

It's snowing and I don't have any phone jacks handy so I'll be wiring it up using standard 8 wire Cat5e jacks. Same principle but I'm punching down the wires on different pins than I mention in the instructions. Strip the outer jacket of the cable fairly long maybe " so you have plenty of wire to work with. I'm using the plastic punch down tool that comes with the jacks.

Repeat for the blue pair on pins 2 and 5 white-blue and blue. This time when we punch down the wires we'll use the cutting blade to trim off any excess wire. Have a look at the jack and visualize how you want it to appear in the surface mount box. For me, I'm going to want to punch down the next jack to the right of the first one.

Your jacks may be different so stop and check. Remember the pins will be on the top when mounted in the box. Also, position the next jack far enough away so you have ample wires to position the jacks in the ports on the surface mount box. Use the non-cutting blade and leave enough wire to be able to position the jack in the surface mount box.



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