5x FEMALE 5.5X2.5MM DC JACK CONNECTOR SURFACE MOUNT REF2254. 5 x FEMALE 5.5X2.5MM DC JACK CONNECTOR SURFACE MOUNT REF2254. Includes nut to hold on the panel. Pin 1 is the outside of the connector, pin 2 is the one that switches (it is connected to pin 1 if no connector is plugged in), and pin 3 is the inside.
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