8
&D1
Modem returns to Command Mode after DTR
toggle
&D2
Modem hangs up, returns to the Command
Mode after DTR toggle
&D3
Resets modem after DTR toggle
&F_
&F0
Recall factory default configuration
&F3
Reset for extended responses
&G_
&G0
Guard tone disabled
&G1
550 Hz guard tone
&G2
1800 Hz guard tone
&K_
&K0
Disable DTE flow control
&K3
RTS/CTS flow control
&K4
XON/XOFF flow control
&K5
Transparent XON/XOFF flow control
&L_
&L0
Dialup telephone line
&L1
Leased Line
&M_
&M0 Asynchronous operation
&N_
&N0
Special echo canceller training sequence not
required
&N1
Special echo canceller training sequence
required
&P_
&P0
United States setting for off-hook (make) -
to-on-hook (break) ratio
&P1
UK and Hong Kong off-hook (make)-to-on-
hook (break) ratio
&Q_
&Q0
Asynchronous operation
&Q5
Modem connects using MNP or V.42
&Q6
Modem connects in Normal mode
&S_
&S0
Force DSR Signal High (ON)
&S1
DSR is off in command mode, on in on-line
mode
&T_
&T0
Ends test in progress
&T1
Perform Local Analog Loopback Test
&T3
Perform Local Digital Loopback Test
&T4
Grant Remote Digital Loopback Test
request by remote modem
&T5
Deny Remote Digital Loopback Test request
by remote modem
&T6
Perform a Remote Digital Loopback Test
&T7
Perform a Remote Digital Loopback Test and
Self-Test
