AT Commands

65

AT command formats

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.

Z0

Reset and restore stored profile 0.

Z1

Reset and restore stored profile 1.

Result Codes:

OK n=0,1

ERROR Otherwise

&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.

&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).

Result Codes:

OK n=0,1

ERROR Otherwise