Black Box MD1641A, MD1640A manual $En, $EBn, #Fn, $FCn, $Fn

SERIES II INTELLIGENT DATA/FAX MODEMS

$En		*$E0 disables error correction at 300 bps.
		$E1 enables Autoreliable Mode at 300 bps.
		$E2 enables Reliable Mode at 300 bps.
$EBn**	n = 0 or 1	*$EB0 enables 10 bit mode.
		$EB1 enables 11 bit mode.
%En	n=0 thru 5	% E0 = Modem Won’t Escape.
		*% E1 = +++ Method (default setting).
		% E2	= Break Method.
		% E3	= Either +++ or Break Method.
		% E4	= No "OK" Response to +++
		% E5	= "OK" Response to +++

*Factory Default Setting

**336 Model (MD1641A) Only

Command	Values	Description
#Fn	n = 0 thru 2	#F0 means no fallback when on-line.
		#F1 means fallback from 33600 to 4800 bps
		when on-line (increments of 2400 bps).
		*#F2 means fallback to 4800 bps from 33.6K
		bps/fall forward if line improves
		(increments of 2400 bps).
&Fn	n = 0, 8 or 9	&F loads factory default values from ROM.
		*&F8 reads factory default values and switch
		settings when &F is issued.
		&F9 reads parameters stored in non-volatile
		memory when &F is issued.
$FCn**	n = 0 or 1	$FC0 means no transmit of 5 second
		2100Hz signal.
		*$FC1 transmits 5 second 2100Hz signal.
$Fn	n = 0 or 1	$F0 means do not fall back to normal
		connect if CR received.
		*$F1 means fall back to normal connect if
		CR received.

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