VIKING COMPONENTS 56K USB MODEM USER’S GUIDE
Basic AT Command Set (Continued)
Command Function
X1 Report basic call progress result codes and connections speeds (OK,CON
NECT,RING, NO CARRIER (also,for busy, if enabled,and dial tone 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,NO DIAL
TONE 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.
Y0 Disable long space disconnect before on-hook.
Y1 Enable long space disconnect before on-hook.
Z0 Restore stored profile 0 after warm reset.
Z1 Restore stored profile 1 after warm reset.
&C0 Force RLSD active regardless of the carrier state.
&C1 Allow RLSD to follow the carrier state.
&D0 Interpret DTR ON-to-OFF transition per &Qn:
&Q0,&Q5, &Q6 The modem ignores DTR.
&Q1,&Q4 The modem hangs up.
&Q2,&Q3 The modem hangs up.
&D1 Interpret DTR ON-to-OFF transition per &Qn:
&Q0,&Q1, &Q4,.
&Q5,&Q6 Asynchronous escape.
&Q2,&Q3 The modem hangs up.
&D2 Interpret DTR ON-to-OFF transition per &Qn:
&Q0 through &Q6 The modem hangs up.
&D3 Interpret DTR ON-to-OFF transition per &Qn:
&Q0,&Q1, &Q4,.
&Q5,&Q6 The modem performs soft reset.
&Q2,&Q3 The modem hangs up.
&F0 Restore factory configuration 0.
&F1 Restore factory configuration 1.
Chapter 7
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