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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
Force Data Carrier Detect signal high.
&C1
Let Data Carrier Detect follow carrier signal.
Command:
&Dn
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 on-line data mode, the modem enters command mode, issues an OK,
and remains connected.
&D2
When DTR drops while in on-line data mode, the modem hangs up.
&D3
When DTR drops, the modem hangs up and resets as if an ATZ command were issued.
Command:
&Fn
Load Factory Default Settings
Values:
n = 0
Default:
None
Description: &F0
Load factory settings as active configuration.
Command:
&Gn
V.22bis Guard Tone Control
Values:
n = 0, 1, or 2
Default:
0
Description: &G0
Disable guard tone.
&G1
Enable 550 Hz guard tone.
&G2
Enable 1800 Hz guard tone.
*:
The &G command is not used in North America.
Command:
&Jn
Auxiliary Relay Control
Values:
n = 0
Default:
0
Description: &J0
The auxiliary relay is never closed.
&J1
Not supported—responds ERROR.
Command:
&Kn
Local Flow Control Selection
Values:
n = 0, 3, or 4
Defaults:
3
Description: &K0
Flow control disabled.
&K3
Enable CTS/RTS hardware flow control.
&K4
Enable XON/XOFF software flow control.
MTPSR3-200
Appendices
105
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