Date Code 20010518 Appendix B B-17
SEL-2020 Instruction Manual
Table B.5: AT Command Set Description - Part # XE1414V
Basic
Commands
Function
A Automatically answer call
B0 Operate under CCITT communication standard
B1 Operate under Bell communication standard*
E0 Command characters not echoed
E1 Command characters are echoed*
H0 On hook (hang up)*
H1 Off hook (busy line)
L0 Lowest speaker volume
L1 Low speaker volume
L2 Moderate speaker volume*
L3 High speaker volume
M0 Speaker off
M1 Speaker on until carrier received*
M2 Speaker remains on
M3 Speaker on after dialing until carrier is detected
N0 Handshake only at DTE rate
N1 Initiate handshaking at DTE rate; fallback if unsuccessful*
O0 Go on line*
O1 Initiate retrain returning On Line
Q0 Enable result codes
Q1 Disable result codes
Sr? Read S register
Sr=n Write n to S register
V0 Send numeric result codes
V1 Send word result codes*
X0 Basic response set, blind dialing
X1 Extended response set, blind dialing
* Modem factory default settings
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