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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.