<standard> The ITU-T standard defining interchange
circuits between DTE and DCE. V.24 is the ITU-T
equivalent of EIA standard EIA-232C, though V.24 only
specifies the meaning of the signals, not the connector or the
voltages used.
V.24 recommends 12 modem carrier frequencies that will not
interfere with Dual Tone Multi-Frequency or other telephone
control tones. These are:
GROUP A = 920 Hz, 1000 Hz, 1080 Hz, 1160 Hz
GROUP B = 1320 Hz, 1400 Hz, 1480 Hz, 1560 Hz
Group C = 1720 Hz, 1800 Hz, 1880 Hz, 1960 Hz
(2004-08-02)
Nearby terms:
V.22 « V.22bis « V.23 « V.24 » V.25 » V.25 bis » V.27 ter
