Shown: balanced normally-closed switching jacks.
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Only a plug inserted into the lower jack will break the circuit. A plug inserted into the upper jack will receive the source signal (a source only listen jack). Any signal on a plug inserted into the lower jack well be fed to the input of the destination. |
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Inserting a jack in either jack breaks the circuit. A plug inserted into the upper jack will receive the source signal. Any signal on a plug inserted into the lower jack will be fed to the input of the destination. |