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How do I wire a new phone jack ...

Telephone co says my jack needed to be replaced. Unfortunately, I can find the exact same wall jack plate. (probably too old)

Coming out of the wall is a cord that has 1-red wire and 1-green wire. The second cord coming out of the wall is the same. So I've got 2-red and 2-green wires = 4 total.
The old wall plate jack has like metal slots for the wires. Only new ones I can find all have screws.

What do I do?

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  • Chstterbox Feb 13, 2008

    ok Did that and got a dial tone but so much static I cant hear the calling party. One time it even sounded like someone else was on the line pushing a button. Just a few minutes later I have NO dial tone again but, when I call the number from my cell the phone rings. I answer it and can hear it ringing. Any suggestions?





    Thank You!

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From the sound of the "new" problem, you may have TWO DIFFERENT phone lines hooked together.

Or, it could just be an extra pair, to another jack in your house somewhere (have you looked for another one?).

Try connecting just ONE PAIR (red & green, also known as Tip & Ring) to your jack, and then call your number with your cell phone.

If it doesn't work, try disconnecting that pair, and connecting the other pair, and call yourself again.

Also, if you reverse tip & ring (red & green), your phone may not break dial tone, if thats the case, just reverse the pair, and you should be good to go.

Please let us know if you get it working.

Posted on Feb 13, 2008

  • Mister X
    Mister X Feb 13, 2008

    One more thing...

    Did you strip ALL of the insulation OFF of the wires you connected?

    Just one small piece will interfere with your connection and cause static.

    But don't strip off too much insulation, the wires still need to be covered right up to the connection, to prevent short circuits (which, if intermittent, can also cause static).

    And all screw connections need to be tight, or static will occur.

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The new jack should have the same color code as the wires.
All the red's go together on one screw, and the green's as well.

Posted on Feb 13, 2008

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The "Line in Use" message often occurs when there is no dial tone. You'll need to identify where the dial tone problem is coming from. First, check that the base has power and try a new RJ-11 cable between the jack and the base. I like to use a old corded handset phone for additional testing. First plug in a different phone to the jack. Do you have a dial tone? If you do, then the CS6482 has failed.

If there is no dial tone, next try plugging the test phone into a different phone jack, if one is available. If there is a dial tone at another jack and a new cord didn't help at the first jack, then you have a wiring fault at the first jack. This could be in the jack itself or in the wiring to where the phone service comes in. You can fix the jack more easily. Remove the cover plate and determine the type of jack and look for a loose wire. If the wires are attached to screws, you remove the insulation from the end of the conductor and slide it under the appropriate screw. Then tighten the screw onto the wire. For keystone jacks, you'll need a push-down tool to press the wire back into place. The tool is sold in most hardware stores in the electrical aisle. Do not strip the wire before pushing it into place. See http://cablesupply.com/content/47-telephone-connections-and-rj11 to match the wire colors to the correct pin on the jack.

If you do not have a dial tone at another jack or do not have another phone jack in the house to test, find the service box. Open the box and check the connection type. If you find an RJ-11 jack, use your test phone to check for a dial tone. If there is no dial tone or it isn't an RJ-11 jack, contact your telephone company. They can test the phone line and will repair the wires for free if there is outside damage. If the problem is inside the walls, the telephone company will charge a fee to repair the issue. (This may be easier than finding a broken wire in the wall yourself.) Note: some telephone companies are trying to move residential units to newer fiber optic services and do not want to repair the copper wire to the door. This can cause problems with some security phone alerts.

I know at least twice we lost the dial tone on copper wiring after rodents chewed on the wires. That issue hasn't repeated since we were upgraded to fiber. However, during the upgrade, the installer dropped one of the RJ-11 lines behind the siding on the outside wall. Thus one phone was without a dial tone, we found the dangling wire and restored the phone service in seconds. We also lost the dial tone after contractors dug into the underground telephone service up the road from us. That was repaired quickly.

I hope this helps.

Cindy Wells

Aug 16, 2016 | Phones

1 Answer

RCA visys dect 6.0 Line 2's light is lit and no dial tone. All handset are in off mode. Only Line 1 is available


Are the phone cables correctly connected to the base unit? Try a new cable for Line 2, if you have separate L1 and L2 jacks. (If the lines are integrated in one jack, make sure to use a 4-conductor RJ11 cord.) I assume the service hasn't been cancelled for line 2 and that you are at a wall plate with both lines.
If you have separate jacks, I like to use a different phone to check the jack. (A simple old fashioned corded, single-line phone is useful to check for a dial tone.) Try checking Line 2 at another jack, if you have one.
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If you recently had work done on the phone line, check for any wires that are loose. When we got our phone line upgraded to fiber optics, one of the telephone jack lines didn't get connected to the terminal in the new box. We found the wire behind the vinyl siding and got signal as soon as the wire was reconnected.)
If you have a dial tone at the box and no wires are obviously disconnected, you'll need to trace the wires inside to find a broken connection. If one jack worked for Line 2 and another didn't, check inside the wall plate. There are two wall-plate styles. The ones with a keystone jack needs the conductor wires pushed down into the correct slots. A punch-down tool is available from most hardware stores in the wiring section. The screw terminal type requires the individual wires to be stripped and then secured. The correct terminal positions are shown here: http://www.lanshack.com/wire_phone_jack.aspx . Otherwise, you need to trace the wires in the walls to find the break in the continuity. Your phone company will do this for you for a fee. If you have a line filter inside, try replacing it.

I hope this helps.
Cindy Wells
(I've called the phone company several times when we lost one line. Mice and lightning damage to the filter have both been culprits.)

Jul 08, 2013 | Phones

1 Answer

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For diagnostics, I like to use an old corded phone. First try a new telephone cord (RJ-11) to the base of your CS5121. Then if the problem persists, try the new phone cord with the test phone. Listen for a normal dial tone. If you hear a fast busy signal or no dial tone, try the test phone at a different jack on that phone line (if you have one). If you still do not have a normal dial tone, find where the telephone service comes into your building. Open the service box and identify the type of connection. If you are lucky, the service box has RJ-11 jacks. Try your test phone there. If you can't test the phone line or the problem persists, contact your telephone company. They will test the line and repair any outside problem for free.

If it is an inside wiring problem, inspect the wires that are in the open for damage. If only one jack is the problem, open the face plate and check for loose wires. There are two types of connections in telephone faceplates: screw terminals or punch down jacks. The wires need to be stripped (enough to go under the screw) and then secured by the screw for the first type. For a punch down jack, you will need a tool to secure the wires. The tool is available at many home improvement stores in the wiring section. See http://www.lanshack.com/wire_phone_jack.aspx for the wiring order for an RJ-11 jack. If the problem is inside the wall, you may want to get a professional to fix the problem. Your telephone company will do this for a fee. If you have a DSL filter as part of your phone line, you may need to replace this. (At my house this is part of the outside wiring and gets fixed by the phone company. My sister has the filter as part of the inside wiring and has to fix it herself.)

If only your CS5121 has a problem, try removing the battery pack from the handset. Next unplug the telephone cable and the power adapter from the base. Unplug the power adapter from the wall outlet, as well. Wait a few minutes, then reconnect the power and phone line cord. Then reconnect the handset battery. Test your phone again. If it still gives you a problem, contact Vtech for service if it is under warranty. These phones are not user serviceable.

I hope this helps.

Cindy Wells

Nov 29, 2011 | Vtech CS5121 Cordless Phone

1 Answer

Lost phone manual, uniden d2997


I have a standard trouble-shooting routine for cordless phones. 1) Remove the battery from the handset (from all handsets for a multi-handset version). Then unplug the power cord from the base and wall outlet and also remove the telephone cord. Wait a few minutes and then reconnect the power and phone line cords. Reconnect the battery (ies) for the handsets. Make sure this connection is tight. Then make sure that the battery is fully charged (15 hours before first use) and register the handsets if needed. This is done by putting each handset onto the base in order for the D2997. Wait about 30 seconds for each one until you see the Handset Registered message. Make sure that you are within range of the base.

Next try a different telephone (RJ-11) phone cord between the base and the wall jack. Also check if the power adapter for the base is warm. For the next set of tests, I like to use an old corded telephone. Using a different phone, check if you get dial tone at the jack. If there is a dial tone, then the problem is with the Uniden phone. If the above trouble-shooting didn't help, then contact Uniden. These phones aren't meant to be user serviced.

If you do not have a normal dial tone, try another jack on the same telephone line. If there is dial tone at another jack, then you have a problem with the first jack. Otherwise find where your telephone service comes in. If you have a fairly new service, you'll find an RJ-11 jack. Plug your test phone into the jack and test for dial tone. If you have no dial tone or can't test your line, call your phone company. They will fix any outside problem for free. If it is an inside wiring problem, look at the visible wiring and determine if the wires are damaged. Open the jack (if only one is bad) and check for loose wires. There are two types of jacks. One secures the terminal wires with screws and the other uses a punch-down jack. For the screw type, strip additional insulation from the conductors, if needed, and then reconnect them. For the punch-down type, you will need the punch-down tool. It is available at many hardware stores in the wiring section. Use this diagram to check your jack wiring: http://www.lanshack.com/wire_phone_jack.aspx . If you can't see an obvious problem with the wiring, you may want a professional to deal with the wiring in the wall. Your telephone company will do this for a fee.
Uniden has the manuals for their DECT phones on their site: http://www.uniden.com/bin/venda?ex=co_disp-view&bsref=uniden&scat=dectphones_mnl . The manual for the D2997 is available here: http://www.uniden.com/content/ebiz/uniden/resources/ownersmanuals/D2997om.pdf .

I hope this helps.

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Nov 26, 2011 | Uniden Phones

1 Answer

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For this type of problem, you need to isolate the issue. It could be the phone, the inside wiring, or the outside wiring. I like to use an old rotary phone for testing but any basic corded phone should work. Get a new RJ-11 phone cable as well.

Unplug the base unit and plug in the test phone to that jack. Check if you get a dial tone. (Try a new cable if the initial one doesn't work.) If your test phone has a dial tone, then the problem is isolated to the cordless phone. (If the test phone works with the new cable, do check if Uniden works with that cable.) Modern phones are not designed to be fixed by the consumer. If the phone is under warranty, contact Uniden Customer Service. (Otherwise decide if the costs are worthwhile for you; there will be a significant delay before the phone is returned/replaced.)

If you do not get the dial tone, you need to track down the wiring issue. Next move to another jack on the phone line and check if there is a dial tone on your test phone. If there is a dial tone, you have isolated the problem to the jack or the wiring to the jack.

If there is still no dial tone, find where your telephone service comes in to your building. If you can, open the box. Determine the type of connection used there. If you are lucky, you will find a RJ-11 jack for your phone line. Plug in your test phone and check for a dial tone. If there is no dial tone, contact your telephone provider. They will fix this outside problem for free.

If the connection is not a RJ-11 jack, you will need to call the telephone company so that they can determine if the problem is inside or outside.

If you do have a dial tone, then the problem is with the inside wiring. Inspect the visible wires for damage. Open the faceplates for the jacks and check for loose wires. There are two types of connectors. Screw type connectors need the wire stripped back a little then wrap around the screw and tighten. The other type is a punchdown jack. To repair a loose wire in this, you will need a punchdown tool. These are often available in hardware/home improvement stores in the wiring section. http://www.lanshack.com/wire_phone_jack.aspx has clear pictures of the wire color to pin pattern.

You may want a professional to check the wires inside the walls. Your telephone provider will do this for a fee.

I hope this helps.

Cindy Wells

Jun 21, 2011 | Uniden Cordless Phone

1 Answer

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Usually this means that the phone isn't detecting a dial tone. For diagnostic purposes, I like an old corded phone.

First try a new telephone cable between the jack and the phone. Then try the old phone and see if you have a dial tone. If you have a dial tone with the old phone but not the cordless, then the Uniden needs service. These phones are not designed to be fixed by the user. If the phone is under warranty, send it in. (see page 28 of the manual www.uniden.com/pdf/DECT1480-3om.pdf )

If neither phone gets a dial tone, check at another jack if you have several to see if the jack is the problem or if it is a more global problem. If the problem is at one jack, you may want to open the jack and check for a loose wire. Some wall plates hold the wires with screws; others use a keystone jack with the wires pressed into slots using a "punch down tool". Keystone jacks do not need the insulator removed from the individual wires. For the screw connectors, you do need strip the individual wires. The punch down tool is available at many hardware stores in the electrical section (for wiring homes for ethernet and other services).

If you do not have a dial tone at another jack, find where your telephone service comes into your home. Open the panel and identify how the connection is set up. Some use RJ-11 jacks. In that case, plug in your test phone and see if there is a dial tone at that point. If there is no dial tone, contact your phone company for service. There is a break in the wires coming into your home. The phone company will fix this for free. (If the service doesn't use an RJ-11 jack, you need a special adapter to test at this point. Your phone company technicians will have this.)

If there is a dial tone at the incoming service, you have a inside wiring problem. Check any visible phone wiring for damage to the insulation. If the problem is with wiring inside a wall past the jack, you will need a professional to track the break. Your phone company will fix this for a fee.

I hope this helps.

Cindy Wells

Dec 29, 2010 | Uniden Cordless Phone

1 Answer

How do I take Uniden phone off line in use/hold? I cannot use phone at all or receive calls.


It depends on the reason for the in use message on the line. It could be the phone or the wiring. To diagnose the problem, I like to use an old corded phone.

Plug a different phone into the jack (where the cordless base is); use a new telephone cord. Do you have a normal dial tone? If yes, try the cord with the cordless phone's base; if this doesn't solve the problem, then the problem is the phone. If the phone is bad and under warranty, contact Uniden. These phones are really not meant to be serviced by the user.

Otherwise, try the second phone at another extension. If you get a dial tone, then the problem may be the jack where the cordless phone's base is plugged in. Try the cordless phone and see if you still get the message.

If you didn't get a dial tone, find where the phone service comes in. If you have a new install, you will find that your service line uses RJ-11 jacks. Plug your second phone into the jack and check for dial tone. If the phone still doesn't work, call your phone company. There is a problem with the wiring to your location and they will fix it as part of providing the service. Otherwise, the problem is with the wiring inside your home.

For indoor wiring issues, check any exposed wires for damage. Open the wall plate and check for a loose wire. Some will terminate with screws - just loosen the screw, strip more of the strand wire's insulation if needed, wrap it around the screw and tighten carefully. Others will use a keystone jack. Open the cover (just lifts off) and check the strands. You may need to remove the wire, cut it back and strip a new section of the outer insulation. Then using a special tool push each strand fully into the appropriate slot (do not strip the strand insulation). This tool is sold in many hardware stores in the wiring section alongside the keystone jacks. A plastic version is included with many keystones.

If the wiring problem is deeper inside the walls, you may want a professional. Your telephone provider will do this for a fee.

I hope this helps.

Cindy Wells
(a few weeks ago, we had an open line due to mice eating the wires near the road. It wasn't the first time for the problem. We've also lost a dial tone due to a failed filter for the DSL after a lightning strike and when a road crew dug up the wire by accident.)

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1 Answer

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If your just changing the jack to a hanging type, the fix is easy. You remove the old jack, replace with new one connecting the original wiring...red/green or blue/white.

Apr 16, 2009 | Phones

4 Answers

Home telephone wiring


Your wiring could be a mess of splicing, jumpers, additions over the years. It's impossible to know (or to really be able to help you) without being there in person.

Typically, you just have to worry about the red and green wires. The black and yellow are for a second line. This is of course only if you have standard 2 pair wiring.

If any work has been done recently I would concentrate on that area. If just one jack is removed or a wire cut by mistake that could easily take out your entire house. Also, if the red and green wires are touching anywhere that would also cause a problem.

Feb 24, 2008 | Phones

1 Answer

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Did the old wall jack work before you removed it?
Are the wires still connected or do you remember where the wires used to go.
If so, then what I would do, is with a phone connected, start disconnecting 1 wire at a time. When the line goes dead, then you know that is one of the wires that you need to use. Reconnect that wire, and mark it, and Keep doing this until you find the other wire that makes the line go dead.
Then you will know which 2 wires you will need to get the jack working.
Usually, the standard color wires that you need for the new jack is Red and Green for a single line phone jack.
Hope this helps.
Good luck.
Mac

Feb 21, 2008 | Phones

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