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Polarity of the Telephone line

Posted on 1999-01-11
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Last Modified: 2013-12-27
Could the polarity of tha A and B legs of a line have an impact on the transmit speed of a modem.

For example I rune my modem with A leg 0v and B leg -48v would there be a difference if the legs were reversed
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Question by:baileync
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vikiing earned 100 total points
ID: 1146458
Polarity can not alter communication speed, because the signal modem handles is an alternate sound-wave. Moreover, modem has a transformer at the very first point of connection to the line, making "polarity" a meaningless word.

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