Vega 56 PC2
Users manual
07/06/1999
Bausch Datacom
43
Appendix 1 Command Summary
Basic AT Commands
Command Function
A/
Re-execute the last command.
A
Go off-hook and attempt to answer a call
Dn
Dial modifier.
E0
Turn off command echo
E1
Turn on command echo
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 the firmware version
I4
Report defined identifier string
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 and turn speaker on during
answering.
N0
Turn off Auto mode detection
N1
Turn on Auto mode 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.
Sn = v
Set default S-Register to value v.
S = ?
Return the value of default S-Register
T
Force DTMF dialing
V0
Report short from (terse) result codes
V1
Report long from (verbose) result codes.
W0
Report DTE speed in Error Correction mode
Vega 56 PC2
Users manual
07/06/1999
Bausch Datacom
44
W1
Report line speed, Error Correction protocol and DTE speed
W2
Report DCE speed in Error Correction mode
X0
Report basic call progress result codes, i.e. OK, CONNECT, RING, NO
CARRIER (also , for busy, if enabled, and dial tone not detected), NO ANSWER
and ERROR
X1
Report basic call progress result codes and connections speeds (OK,
CONNECT, RING, NO CARRIER (also, for busy, if enabled, and dial tone not
detected), NO ANSWER, CONNECT, XXXX, and ERROR
X2
Report basic call progress result codes and connections speeds, i.e,, OK,
CONNECT, RING, NO CARRIER (also, for busy, if enabled, and dial tone not
detected), NO ANSWER, CONNECT, XXXX, and ERROR
X3
Report basic call progress result codes and connection rate, i.e., OK,
CONNECT, RING, NO CARRIER, NO ANSWER, CONNECT, XXXX, BUSY, and
ERROR
X4
Report all call progress result codes and connection rate, i.e., OK, CONNECT,
RING, NO CARRIER, NO ANSWER, CONNECT XXXX, BUSY, NO DIAL TONE
and ERROR
Z0
Restore stored profile 0 after warm reset
&C0
Force RLSD(DCD) active regardless of the carrier state
&C1
Allow RLSD(DCD) to follow the carrier state
&D0
Interpret DTR ON – to – OFF transition per &Qn
&D1
Interpret DTR ON – to – OFF transition per &Qn
&D2
Interpret DTR ON - to – OFF transition per &Qn
&D3
Interpret DTR ON - to – OFF transition per &Qn
&F0
Restore factory configuration 0
&F1
Restore factory configuration 1
&G0
Disable guard tone
&G1
Disable guard tone
&G2
Enable 1800 Hz guard tone
&K0
Disable DTE/DCE flow control
&K3
Enable RTS/CTS DTE/DCE flow control
&K4
Enable XON/XOFF DTE/DCE flow control
&K5
Enable transparent XON/XOFF flow control
&K6
Enable both RTS/CTS and XON/XOFF flow control
&M0
Select direct asynchronous mode
&M1
Select sync connect with async off-line command mode *
&M2
Select sync connect with async off-line command mode and Enable DTR dialing
of directory zero*
&M3
Select sync connect with async off-line command mode and Enable DTR to act
as Talk/Data switch *
&P0
Set 10 pps pulse dial with 39% 61% make/break. (country dependent)
&P1
Set 10 pps pulse dial with 33%67% make/break. (country dependent)
&P2
Set 20 pps pulse dial with 39% 61% make/break. (country dependent)
&P3
Set 20 pps pulse dial with 33% 67% make/break. (country dependent)
&Q0
Select direct asynchronous mode
&Q1
Select sync connect with async off-line command mode *
&Q2
Select sync connect with async off-line command mode and Enable DTR dialing
of directory zero *
&Q3
Select sync connect with async off-line command mode and Enable DTR to act
