Multi-Tech Systems MT2834ZDX $BAn Baud Adjust, Carrier Detect Control, Ds Dial, ATDT9,5551212N1

		Chapter 3 – AT Commands, S-Registers, and Results Codes
Command:	$BAn	Baud Adjust
Values:	n = 0 or 1
Default:	0
Description:	$BA0 Set baud adjust off, speed conversion on. (Serial port speed is independent of modem data
	rate.)
	$BA1 Set baud adjust on, speed conversion off. (Serial port speed is same as modem data rate.)
Command:	&Cn	Carrier Detect Control
Values:	n = 0, 1, 2, or 4
Default:	1
Description:	&C0 Force Carrier Detect high.
	&C1 Let Carrier Detect follow carrier signal.
	&C2 Let Carrier Detect drop on disconnect, then go high again (for some CBX phone systems).
	&C4 Reset modem when Carrier Detect drops.
Command:	&CDn	Cleardown at Disconnect
Values:	n = 0, 1
Default:	0
Description:	&CD0 Execute a cleardown at disconnect.
	&CD1 Do not execute a cleardown at disconnect.
Command:	Ds Dial
Values:	s = dial string (phone number and dial modifiers)
Default:	none
Description:	Dial telephone number s, where s may include up to 60 digits and T, P, R, comma, colon, and
	semicolon characters.
Command:	DsNd Store Telephone Number
Values:	s = dial string (phone number and dial modifiers)
	d = 0 or 1
Default:	none
Description:	To store, enter D followed by dial string s, then N followed by directory number d.
Example:	ATDT9,5551212N1.
Command:	&Dn	Data Terminal Ready Control
Values:	n = 0–3
Default:	2
Description:	&D0 Modem ignores DTR signal.
	&D1 When DTR drops, the modem hangs up. While DTR is low, the modem accepts commands
	but will not dial or auto-answer until DTR goes high again.
	&D2 Same as &D1.
	&D3 When DTR drops, the modem hangs up and resets as if an ATZ command were issued.
Command:	$Dn	DTR Dialing
Values:	n = 0 or 1
Default:	0
Description:	$D0 Do not dial when DTR goes high.
	$D1 Dial stored number N0 when DTR goes high.
Command:	%DCn	AT Command Control
Values:	n = 0 or 1
Default:	0
Description:	%DC0 The modem responds to AT commands.
	%DC1 The modem ignores AT commands.
	Note: The modem will respond to AT%DC for 10 seconds after power-up.
Command:	%DFn Format Line Probe Data
Values:	n = 0 or 1
Default:	0
Description:	%DF0 Display data in graph format. Y axis is gain shown in dBm.
	%DF1 Display data in table format. Gain is shown numerically in dBm at 75Hz increments from
	150Hz to 3750Hz.

Multi-Tech Systems, Inc. MT2834ZDX User's Guide 9