Multi Tech Equipment MT5634ZBA-V-V92 ユーザーズマニュアル
4 AT Commands, S-Registers, & Result Codes
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MultiModemZBA-V-V92 User Guide
Command:
&D
n Data Terminal Ready (DTR) Control
Values:
n = 0, 1, 2, or 3
Default:
2
Description:
&D0
Modem ignores the true status of the DTR signal and responds
as if it is always on.
&D1
If DTR drops while in online data mode, the modem enters
command mode, issues an
command mode, issues an
OK, and remains connected.
&D2
If DTR drops while in online data mode, the modem hangs up.
If the signal is not present, the modem will not answer or dial.
If the signal is not present, the modem will not answer or dial.
&D3
If DTR drops, the modem hangs up and resets as if an ATZ
command were issued.
command were issued.
Command:
&E
n
XON/XOFF Pacing Control
Values:
n = 12 or 13
Default:
12
Description:
&E12 Disables XON/XOFF pacing.
&E13 Enables XON/XOFF pacing. (&K4 must also be set.)
&E13 Enables XON/XOFF pacing. (&K4 must also be set.)
Note: &E13 has no effect if hardware control (&K3) is selected.
Command:
&F
n
Load Factory Settings
Values:
n = 0
Default:
None
Description:
&F0
Loads factory settings as active configuration.
Note: See also the Z
command.
Command:
&G
n V.22bis Guard Tone Control
Values:
n = 0, 1, or 2
Default:
0
Description:
&G0
Disables guard tone.
&G1
Sets guard tone to 550 Hz.
&G2
Sets guard tone to 1800 Hz.
Note: The
&G command is not used in North America.
Command:
&K
n Flow Control Selection
Values:
n = 0, 3, or 4
Defaults:
3
Description:
&K0
Disables flow control.
&K3
Enables CTS/RTS hardware flow control.
&K4
Enables XON/XOFF software flow control.
Command:
&Q
n Asynchronous Communications Mode
Values:
n = 0, 5, 6, 8, or 9
Default:
5
Description:
&Q0
Asynchronous with data buffering. Same as \N0.
&Q5
Error control with data buffering. Same as \N3.
&Q6
Asynchronous with data buffering. Same as \N0.
&Q8
MNP error control mode. If MNP error control is not estab-
lished, the modem falls back according to the setting in S36.
lished, the modem falls back according to the setting in S36.
&Q9
V.42 or MNP error control mode. If neither error control is es-
tablished, the modem falls back according to the setting in S36.
tablished, the modem falls back according to the setting in S36.