Multi-Tech Systems MT3334SMI manual Nn Error Correction Mode Selection, Qn Flow Control Selection

ModemModule Developer’s Guide

Command:	\Nn	Error Correction Mode Selection
Values:		n = 0–5, or 7
Default:		3
Description:	\N0	Non-error correction mode with data buffering (buffer mode; same as &Q6).
	\N1	Direct mode.
	\N2	MNP reliable mode. If the modem cannot make an MNP connection, it disconnects.
	\N3	V.42/MNP auto-reliable mode. The modem attempts first to connect in V.42 error correction mode,
		then in MNP mode, and finally in non-error-correction (buffer) mode with continued operation.
	\N4	V.42 reliable mode.If the modem cannot make a V.42 connection, it disconnects.
	\N5	V.42, MNP, or non-error correction (same as \N3).
	\N7	V.42, MNP, or non-error correction (same as \N3).
Command:	\Qn	Flow Control Selection
Values:		n = 0, 1, or 3
Default:		3
Description:	\Q0	Disable flow control (same as &K0).
	\Q1	XON/XOFF software flow control (same as &K4).
	\Q2	CTS-only flow control. Not supported.
	\Q3	RTS/CTS hardware flow control (same as &K3).
Command:	\Tn	Inactivity Timer
Values:		n = 0, 1–255
Default:		0
Description:	\Tn	Sets the time (in minutes) after the last character is sent or received that the modem waits before
		disconnecting. A value of zero disables the timer. Applies only in buffer mode.

Note: You can also set the inactivity timer by changing the value of S30.

Command:	\Vn	Protocol Result Code
Values:		n = 0, 1, or 2
Default:		1
Description:	\V0	Disable the appending of the protocol result code to the DCE speed.
	\V1	Enable the appending of the protocol result code to the DCE speed.
	\V2	Same as \V1.
Command:	\Xn	XON/XOFF Pass-Through
Values:		n = 0 or 1
Defaults:		0
Description:	\X0	Modem responds to and discards XON/XOFF characters.
	\X1	Modem responds to and passes XON/XOFF characters.
Command:	-Cn	Data Calling Tone
Values:		n = 0 or 1
Defaults:		0
Description: -C0 Disable V.25 data calling tone to deny remote data/fax/voice discrimination.
	-C1	Enable V.25 data calling tone to allow remote data/fax/voice discrimination.
Command:	%B	View Numbers in Blacklist
Values:		n/a
Description:		If blacklisting is in effect, AT%B displays the numbers for which the last call attempted in the
		previous two hours failed. In countries that do not require blacklisting, the ERROR result code
		appears.
Command:	%Cn	Data Compression Control
Values:		n = 0 or 1
Default:		1
Description:	%C0	Disable V.42bis/MNP 5 data compression.
	%C1	Enable V.42bis/MNP 5 data compression.

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