acoustic coupler

An acoustic coupler is a hardware device that enables a modem (a device that converts signals from analog to digital and from digital back to analog) to connect to a voice circuit.

An acoustic coupler is a hardware device that enables a modem (a device that converts signals from analog to digital and from digital back to analog) to connect to a voice circuit. A handset adapter is used to receive modem tones through the handset's mouthpiece, and the earpiece is used to transmit these tones to the modem.

This was first published in August 2006

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