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Command
&Cn
&Dn
&V
&W
&Zn=x
*
Manufacturer default
Extended "AT\" (Back Slash) Command Set
Command
\Jn
\Nn
Options
Function & Description
Data carrier detect option
&C0
State of carrier from remote modem is
ignored. DCD circuit is always on
&C1 *
DCD turns on when the remote modem's
carrier signal is detected, and off when the
carrier signal is not detected.
Data Terminal Ready (DTR) option.
&D0
DTR ignored
&D1
Go to command mode on on-to-off DTR
transition
&D2 *
Hang up and go to command mode on on-
to-off DTR transition. Auto-answer is
disabled if DTR is low
&T3
Local digital loopback (LDL) test
&T6
Remote digital loopback test, in normal
mode
View active file and stored phone numbers
Store
modem's NVRAM
Store telephone number
The max. number of digits per string is 40.
Options
Function & Description
Constant DTE speed option
\J0 *
DCE and DTE rates are independent
\J1
Force the DTE interface speed to the DCE
connection rate (line speed) after on-line
Error control mode options
\N0
Buffered mode, no error control (flow
control is allowed).
\N1
Direct mode, no error control (no flow
control is allowed).
\N2
MNP reliable mode. If MNP 2-4 error
control establishment fails, the modem
disconnects.
\N3 *
V.42, MNP or buffer mode. The modem
attempts to connect in V.42 mode. If this
fails, the modem attempts to connect in
MNP mode. If this fails, the modem
connects in buffer mode.
\N4
V.42 or disconnect. The modem attempts
active
configuration
n=0 to 3
x=<string> see also the dial modifier
in "ATDn" command
- 32 -
into
the
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