What is Acoustic Coupler?

 What is Acoustic Coupler? Acoustic Coupler Modem Phone Line
Acoustic Coupler Modem

     This is a special cradle in which you place the handset of a phone. This is connected to a modem, and the modem accesses the phone line through this coupler. Modern modems connect directly to the phone line.
     A kind of modem that uses a standard telephone handset to transmit data over the telephone network. Acoustic couplers are best used in transmitting data at lower speeds (300 Baud) due to the environmental noises present in many office environments, and the acoustic couplers inability to block out the resulting interference.

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 What is Acoustic Coupler? Acoustic Coupler Modem Phone Line