Toshiba V.92 - Manual (Page 65)

65 AT Commands
AT command formats
5.375 x 8.375 ver 2.4.0
Zn Recall stored profile
The modem performs a soft reset and restores (recalls) a
configuration profile according to the parameter supplied.
You can store two configuration profiles. If no parameter is
specified, zero is assumed.
Result Codes:
&Cn Data Carrier Detect (DCD) control
Data Carrier Detect is a signal from the modem to the
computer indicating that a carrier signal is being received
from a remote modem. DCD normally turns off when the
modem no longer detects the carrier signal.
Result Codes:
Z0 Reset and restore stored profile 0.
Z1 Reset and restore stored profile 1.
OK n=0,1
ERROR Otherwise
&C0 The state of the carrier from the remote modem
is ignored. DCD circuit is always on.
&C1 DCD turns on when the remote modem’s carrier
signal is detected, and off when the carrier
signal is not detected (default).
OK n=0,1
ERROR Otherwise