4 AT Commands, S-Registers, & Result Codes
25
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
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.
&D3
If DTR drops, the modem hangs up and resets as if an ATZ
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.)
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.
&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.
Summary of Contents for MultiModem MT5634ZBA-V-V92
Page 1: ...MT5634ZBA V V92 User Guide Modem with Voice V 92 Data and Super G3 Fax...
Page 6: ...Chapter 1 Introduction...
Page 9: ...Chapter 2 Installation...
Page 18: ...Chapter 3 Operation...
Page 24: ...Chapter 4 AT Commands S Registers Result Codes...
Page 50: ...Chapter 5 Remote Configuration...
Page 53: ...Callback Security Chapter6...
Page 64: ...Chapter 7 Modem on Hold Operation...
Page 70: ...Solving Problems Chapter 8...
Page 98: ...Index...