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Audio interface

Image Number 3 for United States Patent #8175237.

An audio interface includes interface circuitry configured to translate audio signals received from a military handset to audio signals compatible with a plain old telephone system (POTS) network. The interface circuitry presents a 6-pin (or 5-pin) audio port configured to couple the military handset to the interface circuitry. The interface circuitry further features a 2-wire POTS connector configured to couple the interface circuitry to the POTS network.

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