Extended At& Command Sets; Table 12. Extended At& Command Set - ZyXEL Communications Omni 56K User Manual

User's Guide for ZyXEL Omni 56K USB Modem
5.1.2 Extended AT& Command Sets
COMMAND OPTIONS
&Bn
&Cn
&Dn
&F
&Gn
&Hn
&Kn
5-4
Table 12. Extended AT& Command Set
FUNCTION AND DESCRIPTION
Data rate, terminal-to-modem (DTE/DCE): S28.6
&B0 DTE rate follows connection rate. (See
also S44.6).
&B1 * DTE (data terminal equipment)/DCE (data
circuit-terminating equipment) rate fixed at
DTE setting (See also S18, S20, and
S44.6).
Carrier Detect (CD) options:
&C0 CD always ON (See also S42.7).
&C1 * CD tracks presence of carrier (See also
S38.3, S42.7).
Data Terminal Ready (DTR) options. (See
also S25):
&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.
Load factory settings to RAM as active
configuration.
Guard tone options:
&G0 * No guard tone (within USA, Canada).
&G2 1800 Hz guard tone.
Data flow control, DTE/DCE:
&H0 Flow control disabled.
&H3 * Hardware (CTS/RTS) flow control.
&H4 Software (XON/XOFF) flow control.
Modem error control and data
compression:
&K0 No error control. (Same as AT&K).
&K1 MNP4 (See also S41.0), (include MNP3).
Ref.
S21.4
S21.6-7
S28.4-5
S27.3-5
S27.0-2