Multitech MultiModem MT5634ZPW-PCI Owner's Manual page 43

&C n
Command:
Values:
Default:
Description: &C0
&C1
Command: &D n
Values:
Default:
Description: &D0
&D1
&D2
&D3
Command: &F n
Values:
Default:
Description: &F0
&G n
Command:
Values:
Default:
Description: &G0
&G1
&G2
*:
The &G command is not used in North America.
Command: &J n
Values:
Default:
Description: &J0
&J1
MT5634ZPW-PCI
3 AT Commands, S-Registers and Result Codes
Data Carrier Detect (DCD) Control
n = 0 or 1
1
Force Data Carrier Detect signal high.
Let Data Carrier Detect follow carrier signal.
Data Terminal Ready (DTR) Control
n = 0, 1, 2, or 3
2
Modem ignores DTR signal.
When DTR drops while in online data mode, the
modem enters command mode, issues an OK, and
remains connected.
When DTR drops while in online data mode, the
modem hangs up.
When DTR drops, the modem hangs up and resets
as if an ATZ command were issued.
Load Factory Default Settings
n = 0
None
Load factory settings as active configuration.
V.22bis Guard Tone Control
n = 0, 1, or 2
0
Disable guard tone.
Enable 550 Hz guard tone.
Enable 1800 Hz guard tone.
Auxiliary Relay Control
n = 0
0
The auxiliary relay is never closed.
Not supported—responds ERROR.
43