Extended at& command set – ZyXEL Communications 2864 User Manual
Page 116

9–6
+++
Escape sequence code, entered in data state, wait for modem to
return to command state.
$
Basic command summary help.
&$
Extended
AT&
command summary help.
*$
Extended
AT*
command summary help.
Extended AT& Command Set
&B0
DTE/DCE rate follows link rate. (If the communication software
package has auto baud rate detection, please turn it ON.) (See also
S44b6
)
+
&B1
Fixes the DTE/DCE to the DTE setting, range from 300 bps to
460.8 Kbps. (Default) (See also
S18
,
S20
,
S44b6
)
&C0
Assumes that the carrier is always present; forces CD to always
remain ON.
+
&C1
CD tracks presence of carrier. (Default) (See also
S38b3
and
S42b7
)
&D0
Ignores DTR signal, assumes DTR to always remain ON.
&D1
108.1, DTR OFF-ON transition causes dial of the default number.
(See also
*Dn
)
+
&D2
108.2, Data Terminal Ready, DTR OFF causes the modem to hang
up and return to command state. (Default)
&D3
Same as
&D2
, but DTR OFF also causes the loading of and reset
with data from profile 0.
&F
Loads factory settings to RAM as active configuration.
+
&G0
No guard tone (within the USA, Canada). (Default)
&G1
Reserved.
&G2
1800 Hz guard tone.
&H0
Disables flow control.
&H1
Reserved.
&H2
Reserved.
+
&H3
Hardware CTS/RTS flow control. (Default)
&H4
Software XON/XOFF flow control.
&H5
Reserved.
+
&J0
Single phone line RJ11 phone jack. (Default)
&J1
Multiple-phone/modem line RJ12/RJ13 phone jack.