WTI MT5634, User Manual

Page: 13 / 36

3-5
AT Commands
Command: W n Result Code Options
Values:
n
= 0, 1, or 2
Default: 2
Description: W0 CONNECT result code reports serial port speed, disables
protocol result codes.
W1 CONNECT result code reports serial port speed, enables
protocol result codes.
W2 CONNECT result code reports line speed, enables
protocol result codes.
Command: X n Result Code Selection
Values:
n
= 0–7
Default: 4
Description: X0 Basic result codes (CONNECT); does not look for dial
tone or busy signal.
X1 Extended result codes (CONNECT 46000 V42bis); does
not look for dial tone or busy signal.
X2 Extended result codes with NO DIALTONE; does not
look for busy signal.
X3 Extended result codes with BUSY; does not look for
dial tone.
X4 Extended result codes with NO DIALTONE and BUSY.
X5 Extended result codes with NO DIALTONE and BUSY.
X6 Extended result codes with NO DIALTONE and BUSY.
X7 Basic result codes with NO DIALTONE and BUSY.
Command: Z n Modem Reset
Values:
n
= 0 or 1
Default: None
Description: Z0 Reset modem to profile saved by the last &W command.
Z1 Same as
Z0
.
Command: &C n Data Carrier Detect (DCD) Control
Values: n = 0, 1, 2
Default: 1
Description: &C0 Forces the DCD circuit to be always ON.
&C1 DCD goes ON when the remote modem’s carrier signal
is detected, and goes OFF when the carrier signal is
not detected.
&C2 DCD turns OFF upon disconnect for time set by S18. It
then goes high again (for some PBX phone systems).