twinplex

twinplex: A frequency-shift-keyed (FSK) carrier telegraphy system in which four unique tones, i.e., two pairs of tones, are transmitted over a single transmission channel, such as one twisted pair. Note: One tone of each pair represents a "mark" and the other a "space."

This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996