Sierra Wireless 300 manual Basic AT Commands Dart, Sn=x, Sn?, AT & Commands Dart

DART 300 Migration Guide		Comparative AT Command Reference
Table 4-1: Basic AT Commands (continued)
Command	DART 200	DART 300
Q[n]	Quiet – Result Code Display Option	Quiet – Result Code Display Option
	Suppress result codes to the DTE.	Same behaviour.
S[n]=[x]	S-Register Write	S-Register Write
	Sets the contents of the specified S-register (n)	Same behaviour.
	to the new value (x).
S[n]?	S-Register Read	S-Register Read
	The contents of the specified S-register (n) are	Same behaviour.
	returned to the host (DTE) as ASCII decimal
	digits.
V[n]	Verbose – Result Code Form	Verbose – Result Code Form
	Specifies whether the modem displays the	Same behaviour.
	result codes in numeric format or as words
	(verbose).
X[n]	Result Code Select	Result Code Select
	Selects extended result codes (0 to 10) or only	The DART 300 modem takes no action. This
	the set from 0 to 4.	command is acknowledged with OK and
		ignored. All result codes are always enabled.
Z	Reset to Stored Profile	Reset to Stored Profile
	The modem loads the profile from permanent	Same behaviour.
	storage into the active memory.
Table 4-2: AT [&] Commands
Command	DART 200	DART 300
&C[n]	Data Carrier Detect Control	Data Carrier Detect Control
	Selects meaning of DCD control signal.	The DART 300 modem takes no action. This
	Consult DART 200 reference for details of	is acknowledged with OK and ignored. DCD
	options.	always indicates session status; on = open, off
		= closed. This is equivalent to the
		DART 200’s default option &C1.
&D[n]	Data Terminal Ready Options	Data Terminal Ready Options
	Controls action taken on an on-to-off transition	Same behaviour. (See Section 3.1.1 above if
	of DTR. See the DART 200 User Guide for	hardware flow control is not provided by your
	details.	local host device.)
	Default is &D0	Default is &D2

2110291 Rev 1.0 Page 22