Multi-Tech Systems BL-Series User Manual

Page 133

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133

Appendix D - AT Command Summary

Command

Values

Description

&En

n = 0 thru 15

&E0 means no error correction.

*

&E1 means V.42 Auto-reliable Mode.
&E2 means V.42 Reliable Mode.
&E3 means no modem-initiated flow control.

*

&E4 means CTS modem-initiated flow control.
&E5 means Xon/Xoff modem-initiated flow control.

*

&E6 means Xon/Xoff not passed through.
&E7 means Xon/Xoff passed through.

*

&E8 means Enq/Ack pacing off.
&E9 means Enq/Ack pacing on.

*

&E10 means Normal Mode flow control off.
&E11 means Normal Mode flow control on.
&E12 means Pacing off.

*

&E13 means Pacing on.
&E14 means data compression disabled.

*

&E15 means data compression enabled.

$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 +++

#Fn

n = 0 thru 2

#F0 means no fallback when on-line.
#F1 means fallbackwhen on-line (increments of
2400 bps).

*

#F2 means fallback to 4800 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.

***&Gn

n = 0, 1 or 2

*

&G0 turns off CCITT guard tones.
&G1 turns on CCITT 550 Hz guard tone.
&G2 turns on CCITT 1800 Hz guard tone.

Hn

n = 0 or 1

H0 means Hang Up (go on hook).
H1 means Go Off Hook.

* Factory Default Setting
*** Not applicable in BLK models

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