Shown: balanced normally-closed switching jacks.
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. |
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. |