Fujitsu Stylistic 3500 Technical Reference Manual page 91

Command
N 0 When originating or answering, this is for handshake only at the
communication standard specified by S7 and the ATB command.
1 When originating or answering, begin the handshake only at the
communication standard specified by S7 and the ATB command. During
handshake, fallback to a lower speed may occur.
O 0 Instructs the modem to exit online command mode and return to data mode
(see AT Escape Sequence, +++).
P Select Pulse Dialing.
Q 0 Enables modem to send result codes to the computer.
1 Disables modem from sending result codes to the computer.
T Select Tone Dialing.
V 0 Displays results codes as digits.
1 Displays results codes as text.
X Result Code Selection and Call Progress Monitoring
Dialing
0 After S6
1 After S6
2 Wait Dial Tone
(S6)
3 After S6
4 Wait Dial Tone
(S6)
Z Reset and recall stored user profile.
&C 0 State of the carrier from remote modem is ignored. DCD circuit is always on.
1 DCD turns on when the remote modem's carrier signal is detected, and off
when the carrier signal is not detected.
&D 0 Ignores status of DTR signal.
1 Enters command state upon On-to-Off transition of DTR.
2 Goes on hook upon On-to-Off transition of DTR.
3 Goes on hook and resets upon On-to-Off transition of DTR.
&F Recall factory setting as active configuration.
&K 0 Disable flow control.
3 Enable RTS/CTS (hardware) flow control.
4 Enable XON/XOFF flow control.
Specification
Result Code No Dialtone
Displays Not displays
"CONNECT"
Displays Not displays
"CONNECTXXX"
Displays Displays
"CONNECTXXX"
Displays Not displays
"CONNECTXXX"
Displays Displays
"CONNECTXXX"
Busy Code
Not displays
Not displays
Not displays
Displays
Displays
AT Commands Table
Default
3
3
3
3
3
3
3
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