Need extra help installing your Ooma Hub or Telo system? Let us know.
#107571 by peabody
Wed Mar 06, 2013 8:53 pm
The line polarity at the Telo's phone jack is correct, but when I connect a normal phone cord from that jack to a wall jack to drive the rest of my house, that reverses the polarity at all the house jacks. I think that's because a normal phone cord is actually a crossover cord. Do they make straight-through phone cords, or adaptors that reverse polarity?

I know for most phones it doesn't make any difference, but I have some Hold circuits that require correct polarity.
#107572 by murphy
Thu Mar 07, 2013 3:35 am
Today I don't think manufacturers pay any attention to phone cord polarity. Try a few more cords to see if you have one that will fix your problem.

or

Rewire the jack that you are connecting the Telo to.

http://www.ehow.com/how_6329698_fix-rev ... iring.html

or

Get an inexpensive crimper and some crimp on plugs and make one yourself.

http://www.amazon.com/Leviton-C0260-I-P ... B00004YUMD
#107575 by peabody
Thu Mar 07, 2013 6:21 am
I checked in the box my old DSL modem came in, and found not just one, but two straight-through cords - a long one and a short one. I'm not sure why a DSL modem would need them, but there they are. Anyway, that solves the problem.

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