Question about Panasonic KX-FHD332 Plain Paper Thermal transfer Fax

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Phone line reversed

I used a phone line tester and it determined that the phone line was reversed.What does this mean and is it a problem because my telephones and computers all work fine.Thank you

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  • nermonsun Jan 22, 2009

    I have a sperry tester and it reads line reversed, but my equipment doesn't work, what does this mean an how do i correct it



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The tip and ring (red and green) wires in the phone line are the ones that are used in this instance and there is technically no polarity (+ or -) because the current on this line is AC. Much like household current most device will work no matter which way the plug is inserted. There are polarized plugs which only work one way just to keep everything standard. Long story short: this should not be a problem under normal conditions.

Posted on Nov 11, 2008


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My nokia 6288 is alway getting hot why? And what do i do

Any history of water damage? is the battery already deform or blowing? the phone might turn into some kind of shortage that is why it is getting hot, or the battery voltage is already open and needs replacement.

By the use of multi-tester, you can testify if the phone is shorted or some short circuit board,please follow this steps

* on your phone,locate the positive and negative terminal of the battery connector,usually both ends is the given polarity(facing at the back of your phone,positive is in the left terminal and negative would be the right terminal)

* on your multi-tester,switch the selector to Rx1 (resistance)

* using the red pin (positive) of the tester,hit the negative terminal of the phone.
* using the black pin (negative) of the tester, hit the postive terminal of the phone.
* if the tester meter don't respond,it means the phone is normal and that's the time you need to replace a new battery.
* but if the tester meter raise high or even a little,that means the phone is in short circuit problem,again,if the phone is water damage,dismantle the 4 screws at the back of your phone and release the back cover,carefully remove the flex connector attach,now lift up the pcb or motherboard,clean it pcb using any rust solution and toothbrush,dry it after,now assemble the phone and make a test again.

* if the phone still got meter rating on the tester,better bring the phone to a mobile service center for a complete diagnosis and troubleshooting.

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If none of the phones work then it is the phone system or the wiring coming into the building. I do not know if you can get to the service box and plug in a phone there. If there is no dial tone at the service box, get the phone company to fix it. If the problem is the phone system, you will have to consult a service person who knows more about the system.

I hope you find the problem to be simple, like a bad cable.

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Phone line reversed

Phones only use two wires Just reverse the two wires on that jack. 

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