Multitech MultiModem ZPX MT5634ZPX-PCI Series, Owner'S Manual

Page: 39 / 88

3 AT Commands, Result Codes, and S-Registers
MT5634ZPX-PCI 39
Command: Y n 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: 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: &B n 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: &C n Data Carrier Detect (DCD) Control
Values: n = 0 or 1
Default: 1
Description: &C0 Force Data Carrier Detect signal high.
&C1 Let Data Carrier Detect follow carrier signal.
Command: &D n Data Terminal Ready (DTR) Control
Values: n = 0, 1, 2, or 3
Default: 2
Description: &D0 Modem ignores DTR signal.
&D1 When DTR drops while in online data mode, the modem
enters command mode, issues an OK, and remains
connected.
&D2 When DTR drops while in online data mode, the modem
hangs up.
&D3 When DTR drops, the modem hangs up and resets as if an
ATZ command were issued.