NETGEAR XM128 ISDN manual ATX1, ATX2 ATX3 ATX4

Reference Guide for the Model XM128 ISDN Digital Modem

Table D-4.	Extended S-registers ATSn=x (continued)
Command	Bit	Decimal	Hexadecimal	Function and				Default or
				description				reference
S21=	6-7	0	0	Assumes that Data Terminal				&D0
(continued)				Ready (DTR) is always on.
		64	40	108.1, DTR off-on transition				&D1
				causes dial of the default number.
		128	80	108.2, DTR off causes the Model				&D2
				XM128 modem to hang up and
				return to command state.
		192	C0	108.2, DTR off causes the Model				&D3
				XM128 modem to hang up and
				resets the Model XM128 modem
				to profile #0 after DTR dropped.
S23=				Bitmapped register				+105
	0	0	0	Command echo is disabled.				E0
		1	1	Command echo is enabled.				E1
	2	0	0	Insertion is not allowed during a
				PHONE call.
		4	4	Insertion is allowed during a
				PHONE call.
	3-5	0	0	ATX0 (see result code table)
		8	8	ATX1	dec	hex	AT
		16	10	ATX2	40	28	X5
		24	18	ATX3	48	30	X6
		32	20	ATX4	56	38	X7
	6	0	0	Displays result code in numeric				V0
				format. See also S-register S35.7.
		64	40	Displays result code in verbose				V1
				format.

Status Registers and Result Codes D-7