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#20837 11/29/08 02:54 PM
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Sorry for all the threads I'm starting here, but I have a quick question.

In the walls of my home I have the first five pair, the white series. I have a lot of noise on white/blue, and white/orange, but only on my side. The line sounds clear to whomever I'm talking to.

I only have this problem with white/blue, and white/orange. The other 3 pairs work fine.

Does anyone know what could be the problem?

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#20838 11/29/08 04:23 PM
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Moving this to general for better exposure.


Ed Vaughn, MBSWWYPBX
#20839 11/29/08 04:59 PM
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Alarm connections hardwired and haven't been found , YET. John C.


When I was young, I was Liberal. As I aged and wised up, I became Conservative. Now that I'm old, I have settled on Curmudgeon.
#20840 11/29/08 06:04 PM
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I isolated the problem to one outlet in my house. As soon as I connect the wires from that outlet, I get noise throughout the house. Remove the connections, and everything is OK.

And about my internal wiring, it works out that I have actually six pair: white series amd red/blue, but three of them belong to my neighbour. The first three are mine, the rest my neighbours.

#20841 11/29/08 06:11 PM
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With the wires from that jack disconnected entirely at the source end, and with no telephone instrument plugged in, use a meter and take a look at all the combinations of wires, one pair at a time.

Use the ohms scale and see if you have a dead cross or a resistance from the white/blue lead to all others. Then from the blue/white lead to all the others, etc, until you have looked at all the combinations.

If you see anything that is not a clear open (infinity), then disconnect the jack itself, and see if the meter reading goes to infinity.

You might have two leads shorted in the jack, or along the way where a staple has made a boo-boo. If you short a working lead with a spare, you actually add the capacitances of the two leads, and create an unbalance.


Arthur P. Bloom
"30 years of faithful service...15 years on hold"

#20842 11/30/08 01:24 AM
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Thanks for that Arthur! Problem is, I can't disconnect the wires of the faulty jack from the source end, because the source end is somewhere inside my walls. Where, I don't know.

What I know is this: There are three jacks inside my home, where two of them (living room and kitchen) are dependent upon each other, one of them being the faulty jack. Meaning if I have white/blue terminated on one end, and open on the other, the terminated end will not work.

The third jack, in the bedroom, and connected in series with the demarcation point (which is also in the bedroom) makes the other two jacks "live" (provided there's no open between them), when connected to the demarcation point.

I'm thinking there's some kind of a junction point connecting the bedroom jack with the other two, but where that junction point is, I don't know, as it is in the walls somewhere.

#20843 11/30/08 05:51 AM
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If I am understanding this correctly it sounds like you have a bad splice inside the wall. This could be damaged from a water leak, or could just be open and touching a pipe and picking up noise.

Or you might not have a splice , but just have gotten a screw put through the cable.

Easiest way out? Use the White green for DT and don't look back. Need more then one pair? Abandon the defective jack and run a new cable from the demarc over to where you need it.

Don't sweat the small stuff. Life is too short.

Sam


"Where are we going and why are we in this hand basket?"
#20844 11/30/08 11:48 AM
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I couldn't agree more SS! I already hooked up white/green, and will run a new cable from the demarc.

I'll follow Arthur's method when time permits, as it will be good for me to learn to diagnose at that level, but for now, I don't have the time.

#20845 11/30/08 08:27 PM
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And then again guys it is possible that his neighbor has his pairs in his loc. we did a lot of 6 pair loop thrus, in my last garage area for townhome and duplexes with the pre wire crew. could not convince 2/nd level & dist level that was going to cause problems!

#20846 12/01/08 05:02 AM
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Not only possible, but likely in Montreal.


Scientists say that the universe is made up of Protons, Neutron & Electrons. They forgot "Morons".
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