EXP Computer ThinCom PCMCIA Ethernet Modem Adapter User Manual
Page 38
APPENDIX A
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Basic AT command for 2400, 9600 and 14,400 modem.
Command Function
A/
Re-execute command.
A
Go off-hook and attempt to answer a call.
B0
Select V.22 connection at 1200 bps.
B1
Select Bell 212A connection at 1200 bps.
C1
Return OK message.
Dn
Dial modifier.
E0
Turn off command echo.
E1
Turn on command echo.
F0
Select auto-detect mode (equivalent to N1).
F1
Select V.21 or Bell 103.
F2
Reserved.
F3
Select V.23 line modulation.
F4
Select V.22 or Bell 212A 1200 bps line speed.
F5
Select V.22 bis line modulation.
F6
Select V.32 bis or V.32 4800 line modulation.
F7
Select V.32 bis 7200 line modulation.
F8
Select V.32 bis or V.32 9600 line modulation.
F9
Select V.32 bis 12000 line modulation.
F10
Select V.32 bis 14400 line modulation.
H0
Initiate a hang-up sequence.
H1
If on-hook, go off-hook and enter command mode.
I0
Report product code.
I1
Report pre-computed checksum from ROM.
I2
Compute checksum and report status.
I3
Report firmware revision, model, and interface type.
I4
Report response programmed by an OEM.
I5
Report the country code number.
I6
Report modem data pump model.
L0
Set low speaker volume.
L1
Set low speaker volume.
L2
Set medium speaker volume.
L3
Set high speaker volume.
M0
Turn speaker off.
M1
Turn speaker on during handshaking and turn speaker off while receiving carrier.
M2
Turn speaker on during handshaking and while receiving carrier.
M3
Turn speaker off during dialing and receiving carrier speaker on during answering.
N0
Turn off automode detection.
N1
Turn on automode detection.
O0
Go on-line.
O1
Go on-line and initiate a retrain sequence.
P
Force pulse dialing.
Q0
Allow result codes to DTE.
Q1
Inhibit result codes to DTE.
Sn
Select S register as default.
Sn?
Return the value of S register n.
=v
Set default S register to value v.