5
X0
Report basic call progress result codes, i.e., OK, CONNECT, RING, NO CARRIER, NO ANSWER
and ERROR.
X1
Report basic call progress result codes and connections speeds, i.e., OK, CONNECT, RING, NO
CARRIER, NO ANSWER, CONNECT XXXX, and ERROR.
X2
Report basic call progress result codes and connections speeds, i.e., OK, CONNECT, RING, NO
CARRIER, 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.
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.
&G0
Disable guard tone.
&G1
Disable guard tone.
&G2
Enable 1800 Hz guard tone.
&J0
Set S-Register response only for compatibility.
&J1
Set S-Register response only for compatibility.
&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.
&L0
Select dial up line operation.
&L1
Select leased line operation.
&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.
&P1
Set 10 pps pulse dial with 33%/67% make/break.
&P2
Set 20 pps pulse dial with 39%/61% make/break.
&P3
Set 20 pps pulse dial with 33%/67% make/break.
&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; enable DTR dialing of directory zero.
&Q3
Select sync connect with async off-line command mode; enable DTR to act as Talk/Data switch.
&Q4
Select Hayes AutoSync mode.
&Q5
Modem negotiates an error corrected link.
&Q6
Select asynchronous operation in normal mode.
&R0
CTS tracks RTS (async) or acts per V.25 (sync).
&R1
CTS is always active.
&S0
DSR is always active.
&S1
DSR acts per V.25.