In telecommunication, the term facsimile converter has the following meanings:
1. In a facsimile receiver, a device that changes the signal modulation from frequency-shift keying (FSK) to amplitude modulation (AM).
2. In a facsimile transmitter, a device that changes the signal modulation from amplitude modulation (AM) to frequency-shift keying (FSK).
References
Facsimile converter Wikipedia(Text) CC BY-SA