Patton electronic 2190 user manual DTR Option, DTR. Default, Restore Factory Configuration Profile

		AT Command Sets (continued)
Command		Description
T		Set Tone Dial
		This command forces DTMF dialing until the next P dial
		modifier or P command is received.
Vn		Result Code From
	ATV0	Enables short-form (terse) result code.
	ATV1	Enables long-form (verbose) result code (default)
Wn		Connect Message Control
	ATW0	Upon connection, the modem only reports the DTE
		speed (e.g., CONNECT 19200). (Default)
	ATW1	Upon connection, the modem reports the line speed,
		the error correction protocol, and the DTE speed,
		respectively.
	ATW2	Upon connection, the modem reports the DCE speed
		(e.g., CONNECT 14400).
Xn		Extended Result Codes
	ATX0	The modem ignores dialtone and busy tone when
		dialing. Sends standard result codes when a
		connection is completed regardless of connection
		speed.
	ATX1	The modem ignores dialtone and busy tone. Sends
		extended result codes when a connection is mode.
	ATX2	The mode ignores busy tone. Sends "NO DIALTONE" if
		no dialtone is detected in 5 seconds of a dial attempt.
		Sends extended result codes when a connection is
		made.
	ATX3	The mode ignores dial tone. Sends "BUSY" if busy tone
		is detected. Sends extended result codes when a
		connection is made.
	ATX4	The modem sends "NO DIALTONE" if no dialtone is
		detected in 5 seconds of a dial attempt. Sends "BUSY"
		if busy tone is detected. Sends extended result codes
		when a connection is made, (default)
Yn		Long Space Disconnect
	ATY0	Disables long space disconnect. (Default)
	ATY1	Enables long space disconnect.
Zn		Soft Reset and Restore Profile
	ATZ0	Soft reset and restore profile 0.
	ATZ1	Soft reset and restore stored profile 1.
&Cn		DCD Option
	AT&C0	DCD remains ON at all times.
	AT&C1	DCD follows the state of the carrier. (Default)

		AT Command Sets (continued)
Command		Description
&Dn		DTR Option
	AT&D0	Assumes DTR ON.
	AT&D1	Enters command mode on detecting ON-to-OFF
		transition of DTR.
	AT&D2	Goes ON-HOOK on detecting ON-to-OFF transition of
		DTR. (Default)
	AT&D3	Resets the modem on detecting ON-to-OFF transition of
		DTR.
&Fn		Restore Factory Configuration (Profile)
	AT&F0	Restore factory configuration 0.
	AT&F1	Restore factory configuration 1.
&Gn		Select Guard Tone
	AT&G0	Disables guard tone (Default)
	AT&G1	Disables guard tone
	AT&G2	Selects 1800 Hz guard tone
&Kn		Flow Control
	AT&K0	Disables flow control.
	AT&K3	Enables RTS/CTS flow control. (Default)
	AT&K4	Enables XON/XOFF flow control.
	AT&K5	Enables transparent XON/XOFF flow control.
	AT&K6	Enables both RTS/CTS and XON/XOFF flow control.
&Pn		Select Pulse Dial Make/Break Ratio
	AT&P0	Selects 39%-61% Make/Break ratio at 10 pulses per
		second. (Default)
	AT&P1	Selects 33%-67% Make/Break ratio at 10 pulses per
		second.
	AT&P2	Selects 39%-61% Make/Break ratio at 20 pulses per
		second.
	AT&P3	Selects 33%-67% Make/Break ratio at 20 pulses per
		second.
&Qn		Select Sync/Async Mode
	AT&Q0	Selects direct asynchronous operation.
	AT&Q5	The modem will try to negotiate an error-corrected link.
		(Default)
	AT&Q6	Selects asynchronous operation in normal mode.
&Sn		Serial Port DSR Control Command
	AT&S0	DSR will remains ON at all time (Default)
	AT&S1	DSR will become active after answer tone has been
		detected and inactive after the carrier has been lost.

9 10