User's Manual

Result Codes:

OK n = 0, 1, 2, 3, 4, 5, 6, 7

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.

Z0 Reset modem and retrieve active configuration profit from stored profit 0.

Z1 Reset modem and retrieve active configuration profit from stored profit 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 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.

Result Codes:

OK n = 0, 1

ERROR Otherwise

&Dn DTR Control (Data Terminal Ready)

This command interprets how the modem responds to the state of the DTR

signal and changes to the DTR signal.

&D0 Ignore.

&D1 If the DTR signal is not detected while in online data mode, the modem

enters command mode, issues OK result code, and remains connected.

&D2* If the DTR signal is not detected while in online data mode, the modem

disconnects.

&D3 Monitor DTR signal when an on-to-off transition occurs, the modem

performs a soft reset as if the ATZ command was received.

Result Codes:

OK n = 0, 1, 2, 3

ERROR Otherwise