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Receiver
Abbre-
Signal
viation
Modified
ANSam 2100-Hz tone signal
answer tone
Joint menu
JM
signal
*1 V.21(L): Low-frequency channel defined by V.21 recommendation
1080±100 Hz (980 Hz:1, 1180 Hz:0)
Transmission speed: 300bps
V.21(H): High-frequency channel defined by V.21 recommendation
1750±100 Hz (1650 Hz:1, 1850 Hz:0)
Transmission speed: 300bps
G3 FACSIMILE COMMUNICATIONS
Meaning
amplitude-modulated
by 15 Hz.
Indicate the terminal
type, such as a fax
machine, and an avail-
able modulation
scheme in response to
the available modula-
tion scheme reported
by the CM from the
transmitter.
1
Remarks
Equivalent to
CED for previous
2
models.
Modulated by
*1
V.21(H)
.
3
4
5
6
ït
çi
5–77
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