Multi-Tech Systems MT2834ZDX $En V.42 Error Correction at 300 bps, $EBn Asynchronous Word Length

		Chapter 3 – AT Commands, S-Registers, and Results Codes
Command:	$En V.42 Error Correction at 300 bps
Values:	n = 0 or 1
Default:	0
Description:	$E0 V.42 error correction at 300 bps disabled.
	$E1 V.42 error correction at 300 bps enabled.
Command:	$EBn	Asynchronous Word Length
Values:	n = 0 or 1
Default:	0
Description:	$EB0 10-bit mode enabled.
	$EB1 11-bit mode enabled.
Command:	%En	Escape Sequence Options
Values:	n = 0–5
Defaults:	1 and 4
Description:	%E0 Modem won’t escape.
	%E1 +++AT<CR> method.
	%E2 <BREAK>AT<CR> method.
	%E3 Both +++AT<CR> and <BREAK>AT<CR> methods.
	%E4 No OK response to +++AT<CR>.
	%E5 OK response to +++AT<CR>.
Command:	&Fn	Load Default Configurations
Values:	n = 0, 8, or 9
Default:	8
Description:	&F0 Load factory default values from ROM if &F8 was previously stored; load user default values
	from non-volatile memory if &F9 was previously stored.
	&F8 Read factory default values when &F is issued (effective only if you store &F8 using &W0).
	&F9 Read values stored in non-volatile memory when &F is issued (effective only if you store &F9
	using &W0).
Command:	$Fn Enable/Disable Auto-Reliable Fallback Character
Values:	n = 0 or 1
Default:	0
Description:	$F0 Do not fall back to non-error correction mode connect if <CR> is received during handshake.
	$F1 Fall back to non-error correction mode connect if <CR> is received during handshake.
Command:	%Fn Echo Frequency Canceller Offset Compensation
Values:	n = 0 or 1
Default:	0
Description:	%F0 Disable echo canceller frequency offset compensation.
	%F1 Enable echo canceller frequency offset compensation.
Command:	#Fn Fallback Modes When Online
Values:	n = 0, 1, or 2
Default:	2
Description:	#F0 No fallback when on line.
	#F1 Fallback decrementally from maximum speed to 4800 bps as line conditions deteriorate.
	#F2 Fallback decrementally to 4800 bps; fall forward when line conditions improve.
Command:	&Gn	Guard Tones
Values:	n = 0, 1, or 2
Default:	0
Description:	&G0 Turn off ITU-T guard tones.
	&G1 Turn on ITU-T 550 Hz guard tone.
	&G2 Turn on ITU-T 1800 Hz guard tone.
	Note: The ZDXK is locked to the ITU-T 1800 Hz guard tone (&G2).
Command:	Hn On Hook/Off Hook
Values:	n = 0 or 1
Default:	None
Description:	H0 Go on hook (hang up).
	H1 Go off hook.

Multi-Tech Systems, Inc. MT2834ZDX User's Guide 11