Multi-Tech Systems MT5634ZPX-PCI-V92 manual Data Set Ready DSR Control, Test Commands

MultiModemZPX User Guide		4 AT Commands, S-Registers, and Result Codes
Command:	&Sn	Data Set Ready (DSR) Control
Values:		n = 0 or 1
Default:		0
Description:	&S0	DSR is always high (on).
	&S1	DSR goes high only during a connection.
Command:	&Tn	V.54 Test Commands
Values:		n = 0, 1, 3 or 6
Default:		None
Description:	&T0	Abort. Stops any test in progress.
	&T1	Initiates local analog loopback test.
	&T3	Initiates local digital loopback test.
	&T6	Initiates remote digital loopback test.

Note: To stop a test, you must use the escape sequence (+++AT) before typing &T0.

Command:	&V	Display Current Settings
Values:		n/a
Description:		Displays the active modem settings.
Command:	&Wn	Store Current Configuration
Values:		n = 0, 1
Default:		None
Description:	&W0	Stores current modem settings in nonvolatile memory and
		causes them to be loaded in place of the factory defaults at
		power-on or following the ATZ command. See also the &F
		command.
	&W1	Clears user default settings from nonvolatile memory and
		causes the factory defaults to be loaded at power-on or follow-
		ing the ATZ command.
Command: &Zn=x		Store Dialing Command
Values:		n = 0, 1
		x = Dialing command string
Default:		None
Description:		Stores dialing command x in memory location y. Dial the
		stored number using the command ATDS=n.
Command:	&&S	Speaker Codec Loopback
Values:		n/a
Description:		Provides a loopback from the microphone to the speaker. For
		testing and debugging only.
Command:	\An	Select Maximum MNP Block Size
Values:		n = 0, 1, 2, or 3
Default:		3
Description:	\A0	64-character maximum.
	\A1	128-character maximum.
	\A2	192-character maximum.
	\A3	256-character maximum.

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