Method and apparatus of testing a POTS circuit and DSL circuit through a splitter
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United States of America Patent
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Nov 16, 2004
Grant Date -
Dec 26, 2002
app pub date -
May 30, 2002
filing date -
May 30, 2001
priority date (Note) -
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Abstract
A simple means is provided to test the cross connect wiring of a communications system which uses a POTS splitter to separate broadband and narrow band signals. A suitable frequency test signal such as 1 KHz tone is fed at sufficient amplitude to the broadband port of the POTS splitter, so that even after attenuation by both the POTS splitter capacitance and inductance filters, it is detectable by suitably sensitive detectors connected to the narrow band port of the POTS splitter. The test signal may be applied intermittently to enable its detection even in low signal to noise situations.
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