Multi-Tech Systems MT3334ZDXV AT Commands, S-Registers Result Codes Command Summary

3 - AT Commands, S-Registers and Result Codes

Chapter 3 - AT Commands, S-Registers and

Result Codes

Command Summary

This section summarizes your modem’s AT commands, S-Registers and Result codes.

Command:	AT	Attention Code
Values:	n/a
Description:		The attention code precedes all command lines
		except A/ and the escape sequence.
Command:	ENTER or Carriage Return <CR> Key
Values:	n/a
Description:		Press the ENTER or Carriage Return key to execute
		most commands.
Command:	A	Answer
Values:	n/a
Description:		Answer an incoming call before the final ring.
Command:	A/	Repeat Last Command
Values:	n/a
Description:		Repeat the last command string. Do not precede
		this command with AT. Do not press ENTER to
		execute.
Command:	Bn	Communication Standard Setting
Values:	n = 0 or 1
Default:	1
Description:	B0	Select ITU-T V.22 mode when modem is at 1200
		bps.
	B1	Select Bell 212A when modem is at 1200 bps.
Command:	Cn	Carrier Control
Values:	n = 1
Default:	1
Description:	C1	Normal transmit carrier switching (included for
		backward compatibility with some software).

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