Appendix C - AT Command Summary
&Fn | n = 0, 8 or 9 |
$Fn | n = 0 or 1 |
&Gn | n = 0, 1 or 2 |
Hn | n = 0 or 1 |
$Hn | n = 1 thru 3 |
In | n = 0,1or 2 |
I9 | Read Only |
L |
|
L5 |
|
L6 |
|
L7 |
|
L8 |
|
L9 |
|
L10 |
|
L11 ( |
|
#Ln | n = 0 thru 3 |
Mn | n = 0 thru 3 |
&F loads factory default values from ROM.
*&F8 reads factory default values and switch settings when &F is issued.
&F9 reads parameters stored in
$F0 means do not fall back to normal connect if CR received.
*$F1 means fall back to normal connect if CR received.
*&G0 turns off CCITT guard tones.
&G1 turns on CCITT 550 Hz guard tone. &G2 turns on CCITT 1800 Hz guard tone.
H0 means Hang Up (go on hook).
H1 means Go Off Hook.
$H1 brings up Help Screen #1. $H2 brings up Help Screen #2. $H3 brings up Help Screen #3.
I0 requests modem ID #.
I1 requests firmware revision #.
I2 for MTS internal use.
Command enables display of Windows 95 Autodetect characteristics
Lists all stored telephone numbers in memory.
L5 lists all current operating parameters.
L6 lists all current
L7 lists additional parameters.
L8 lists
L9 Displays Signal Strength Information.
L10 Displays Signal to Noise Ratio Information.
L11 Displays Noise Information.
*#L0 means modems negotiate V.42 Mode. #L1 means MNP on and
#L2 means
#L3 means no detection phase but go directly to
M0 means Monitor speaker always Off.
*M1 means Monitor speaker On until carrier detected
M2 means Monitor speaker always On.
M3 Monitor speaker on during dialing/off during handshaking.
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