This is usually from a short in the phone freesexpics.
This is the same kind of plug that you use to plug your telephone into the wall.
How do I wire a phone line into an RJ45 patch panel?
That is, I plan to pull some Cat 5e from this the phone company box outside my house:
There, we connected the new cable to a new, surface-mounted phone jack.
Can I install an additional modem on the same line without disturbing original settings?
Installing a new phone line is surprisingly easy and safe.
Email for Sales.
The other type of wiring is called the series or loop method.
Connect the stripped wires from the phone cable to the corresponding screw terminals on the jack, using the following color combinations; each jack terminal is identified by the color of griswold cast iron skillets wire that is preattached to it:
Perhaps that might be helpful?
Of course, it would also work if you consistently swapped the black and yellow wires the other way black for red, yellow for green but that is not the standard.