Data Addendum Host-Based Controller Modem
June 15, 1998 AT Command Set
AT Command Reference (continued)
Version 1.0 Lucent Technologies Inc.
13
Yn Long Space Disconnect
Long space disconnect is always disabled.
Y0: Disable long space disconnect (default).
Y1: Enable long space disconnect (NOT SUPPORTED).
Result Codes:
OK n = 0
ERROR Otherwise
Zn Recall Stored Profile
This command instructs the modem chip set to go on-hook and restore the profile saved by the last &W
command. Either Z0 or Z1 restores the same single profile.
Result Codes:
OK n = 0, 1
ERROR Otherwise
&Bn V.32 Auto Retrain
This modem always auto retrains.
&B0: Disable V.32 auto retrain (NOT SUPPORTED).
&B1: Enable V.32 auto retrain (default).
Result Codes:
OK n = 1
ERROR Otherwise
&Cn Data Carrier Detect (DCD) Control
Data Carrier Detect is a signal from the modem to your computer indicating that the 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