ZyXEL Communications U-336R/RE manual AT Command Set Summaries, Options, Function & Description

Command	Options	Function & Description	Ref.
	&T6	Initiate Remote Digital Loop-back
		(RDL) test.
	&T7	Initiate Remote Digital Loop-back
		with self test (RDL+ST).
	&T8	Initiate Analog Loop-back with self
		test. (ALB+ST).
&Vn		View profile settings.
	&V0	View current active settings.
	&Vn	View the (n-1) user profile settings
		(n=1-4).
	&V5	View factory default settings.
&Wn	n=0-3	Write current settings to user profile
		n in non-volatile RAM. (See also
		S35.6)
&Xn		Synchronous mode timing (clock)	S14.4-5
		source selection.
	&X0 *	Modem provides synchronous
		transmit clock signal (Internal clock
		to pin 15 of EIA-232D).
	&X1	Terminal provides synchronous
		transmit clock signal (External clock
		from pin 24 of EIA-232D).
	&X2	Received carrier provides
		synchronous transmit clock signal
		(Remote or Slave clock to pin 15 of
		EIA-232D).
&Yn		Break handling. Destructive Break	S28.2-3
		clears the buffer. Expedited Break is
		sent immediately to the remote
		system. (For internal modem only.)
	&Y0	Destructive, expedited.
	&Y1 *	Nondestructive, expedited.

88 AT Command Set Summaries