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Joined: Sep 2006
Posts: 3,290
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Joined: Sep 2006
Posts: 3,290 |
Polarity issues are so easily analyzed, after all, there's only two ways a pair can be terminated.
Polarity can also be inadvertently reversed, by using different manufacturers' jacks and cords. Remember, an "RJ11" or "RJ14" type cord is supposed to have a natural reversal built in, but I have encountered off-shore cords that do not reverse the pairs. I have a pile of them here that I bought for about a penny apiece on Ebay.
However, getting back to this mind-numbing thread, it seems incredible to me that a smart, educated, IT person cannot figure out the simplest polarity problem, if that's what's causing this.
Step one: find the last place along the circuit that the phone works correctly.
Step two: extend the pair to the next point and test again.
My goodness, it's like trying to get water to run down hill. It's not rocket surgery, gentlemen.
Arthur P. Bloom
"30 years of faithful service...15 years on hold"
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Joined: Dec 2007
Posts: 908
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Joined: Dec 2007
Posts: 908 |
bump no answers yet? :bang: :bang:
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Joined: Dec 2002
Posts: 9,428 Likes: 1
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Posts: 9,428 Likes: 1 |
Jeff Moss
Moss Communications
Computer Repair-Networking-Cabling
MBSWWYPBX, JGAE
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Joined: Sep 2006
Posts: 3,290
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Joined: Sep 2006
Posts: 3,290 |
It must be my kind and gentle approach. Every time I offer some down-to-earth advice, along with questions that need to be answered, I get ignored.
It's just like talking to my first wife.
Arthur P. Bloom
"30 years of faithful service...15 years on hold"
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Joined: May 2009
Posts: 1,198
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Joined: May 2009
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The OP is involved with porting numbers at 9 sites - his plate is pretty full this week.
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