Facsimile converter

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).

Source: from Federal Standard 1037C and from MIL-STD-188