Date Code 20010518 Appendix B B-3
SEL-2020 Instruction Manual
Table B.1: AT Command Set Description – Radicom Part # 336MM-T-SEL
Basic
Commands
Function
A Automatically answer call
A/ Repeat previous command
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)
I0 Reports product code
I3 Reports firmware version
L0 Lowest speaker volume
L1 Low speaker volume
L2 Moderate speaker volume*
L3 High speaker volume
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*
W0 Modem reports DTE speed*
W1 Modem reports DTE speed and error correction protocol
W2 Modem reports the DCE speed
* Modem factory default settings
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