ZyXEL Communications U-336R/RE manual ATX1 ATX2 ATX3 ATX4

Command	bit	dec	hex	Function and description	Ref.
		32	20	Ignore RTS (CTS always	&D2
				ON) in synchronous mode.
				(Default).
	6-7	0	0	Assume DTR always On.	&D0
		64	40	108.1, DTR OFF-ON	&D1
				transition causes dial of the
				default number.
		128	80	108.2 Data Terminal Ready,	&D2
				DTR OFF causes the
				modem to hang up and
				return to command state.
		192	C0	108.2, DTR OFF causes the	&D3
				modem to hang up and reset
				the modem to profile 0 after
				DTR dropped.
S23=	bit	dec	hex	Bit mapped register.	+105
	0	0	0	Command echo disabled.	E0
		1	1	Command echo enabled.	E1
	1	0	0	Tone dial. (Default).	T
		2	2	Tone dial.	P
	2	0	0	Pulse dial make/break ratio	&P0
				= 39% / 61%.
		4	4	Pulse dial make/break ratio	&P1
				= 33% / 67% (Default).
	3-5	0	0	ATX0 (See result code	X0
				table.)
		8	8	ATX1	X1
		16	10	ATX2	X2
		24	18	ATX3	X3
		32	20	ATX4	X4
		40	28	ATX5, error control result	X5
				code enabled (Default).

98 Status Registers & Result Codes