Multitech MultiModem
MT5634ZBA-V-V92 User Manual page 29

MultiModemZBA-V-V92 User Guide
Command:
Values:
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Description:
Command:
Values:
Default:
Description:
Command:
Values:
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Description:
Command:
Values:
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Description:
Command:
Values:
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Command:
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Description:
4 AT Commands, S-Registers, & Result Codes
T Tone Dialing
P, T
T
Configures the modem for DTMF (touch-tone) dialing. Dialed
digits are tone dialed until a P command or dial modifier is re-
ceived.
V n Result Code Format
n = 0 or 1
1
V0 Displays result codes as digits (terse response).
V1 Displays result codes as words (verbose response).
W n Result Code Options
n = 0, 1, 2
2
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.
X n Result Code Selection
n = 0–7
4
Basic result codes ( e.g., CONNECT ); does not look for dial
X0
tone or busy signal.
X1 Extended result codes ( e.g., 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.
Extended result codes with NO DIALTONE and BUSY .
X4
X5 Extended result codes with NO DIALTONE and BUSY .
Extended result codes with NO DIALTONE and BUSY .
X6
X7 Basic result codes with NO DIALTONE and BUSY .
Z n Modem Reset
n = 0 or 1
None
Z0 Resets modem to profile saved by the last &W command.
Z1 Same as Z0.
&C n Data Carrier Detect (DCD) Control
n = 0, 1, or 2
1
&C0 Forces the DCD circuit to be always high.
&C1 DCD goes high when the remote modem's carrier signal is
detected, and goes low when the carrier signal is not detected.
&C2 DCD drops on disconnect for time set by S18, then goes high
again (for some CBX phone systems).
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