Multi-Tech Systems MultiModem USB MT5634ZBA-USB - Manual (Page 26)

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MultiModemUSB User Guide
Command: Vn Result Code Format
Values: n = 0 or 1
Default: 1
Description: V0 Displays result codes as digits (terse response).
V1 Displays result codes as words (verbose response).
Command: Wn 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: Xn Result Code Selection
Values: n = 0–7
Default: 4
Description: X0 Basic result codes (e.g., CONNECT); does not look for dial tone or busy signal.
X1 Extended result codes (e.g., CONNECT 46000 V42bis); does not look for dial tone or busy sig-
nal.
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: Yn Long Space Disconnect
Values: n = 0
Default: 0
Description: Y0 Disable sending or responding to long space break signal on disconnect.
Y1 Enable sending or responding to long space break signal on disconnect. (Not supported.)
Command: Zn 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: &Bn V.32 Auto Retrain
Values:
n = 1
Default: 1
Description: &B0 Disable V.32 auto retrain. (Not supported.)
&B1 Enable V.32 auto retrain.
Command: &Cn Data Carrier Detect (DCD) Control
Values:
n = 0 or 1
Default: 1
Description: &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 briefly following disconnect, then goes high again. Register S18 defines how long
DCD signal remains low after disconnect.