User`s manual

AT Command Set Summaries 75
Output
Parameter
Output Value Description
Security check
ATH command
D/V hang up
Inactivity
Extended AT& Command Set
Command Options Function & Description Ref.
&Bn Data rate, terminal-to-modem.
(DTE/DCE)
S28.6
&B0 DTE rate follows connection rate.
(See also S44.6)
&B1 * DTE/DCE rate fixed at DTE setting
(See also S18, S20, and S44.6)
&Cn Carrier Detect (CD) options S21.4
&C0 CD always ON (See also S42.7)
&C1 * CD tracks presence of carrier (See
also S38.3, S42.7)
&Dn Data Terminal Ready (DTR)
options. (See also S25)
S21.6-7
&D0 Ignore DTR signal, assume DTR is
always ON.
&D1 108.1, DTR OFF-ON transition
causes dial of the default number.
(See also 'AT*Dn' and S48.4)
&D2 * 108.2, Data Terminal Ready, DTR
OFF causes the modem to hang up.
&D3 Same as &D2 but DTR OFF causes
the modem to hang up and reset
from profile 0.
&F Load factory settings to RAM as
active configuration.
&Gn Guard tone options S28.4-5