Multitech MultiModem DID MT5634ZBA-DID User Manual page 18

MultiModemDID User Guide
Command:
Values:
Default:
Description:
Command:
Values:
Default:
Description:
Note: &E13 has no effect if hardware control (&K3) is selected.
Command:
Values:
Default:
Description:
Note: See also the Z command.
Command:
Values:
Default:
Description:
Note: The &G command is not used in North America.
Command:
Values:
Defaults:
Description:
Command:
Values:
Default:
Description:
Chapter 4 - AT Commands, S-Registers, Result Codes
&D n Data Terminal Ready (DTR) Control
n = 0, 1, 2, or 3
2
&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.
&E n XON/XOFF Pacing Control
n = 12 or 13
12
&E12 Disables XON/XOFF pacing.
&E13 Enables XON/XOFF pacing. (&K4 must also be set.)
&F n Load Factory Settings
n = 0
None
&F0 Loads factory settings as active configuration.
&G n V.22bis Guard Tone Control
n = 0, 1, or 2
0
&G0 Disables guard tone.
&G1 Sets guard tone to 550 Hz.
&G2 Sets guard tone to 1800 Hz.
&K n Flow Control Selection
n = 0, 3, or 4
3
&K0 Disables flow control.
&K3 Enables CTS/RTS hardware flow control.
&K4 Enables XON/XOFF software flow control.
&Q n Asynchronous Communications Mode
n = 0, 5, 6, 8, or 9
5
&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
established, the modem falls back according to the setting in
S36.
&Q9 V.42 or MNP error control mode. If neither error control is
established, the modem falls back according to the setting in
S36.
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