Ampersand (&) Command Set B-5
Ampersand (&) Command Set
The serial port rate MUST be equal to or higher than the &Nn rate.
.
X3 Ignore Dial Tone
X4 Microsoft default
X7 Business Modem default
ZSoftware reset. Pressing the RESET button on the rear panel of
the modem resets the modem to the &F0 configuration
template (no flow control).
Command Function
Command Function
&$ Display help for the ampersand (&) command set.
&An Enable or disable the display of additional result code subsets.
(Also, see the Xn command.)
&A0 Do not display ARQ result codes.
&A1 Display ARQ result codes.
&A2 In addition to ARQ result codes, display HST, V.32,
V.FC, or V.34 modulation indicator.
&A3 In addition to ARQ and modulation indicators,
display an error control indicator (LAPM, HST, MNP,
or NONE) and a data compression type (V42bis or
MNP5).
&Bn Set the serial port rate to variable or fixed.
&B0 Variable: The serial port rate adapts to match the
speed of the connection.
&B1 Fixed: The modem always communicates with your
computer at the rate at which you have set,
regardless of the connection rate.
&B2 When answering calls, use the fixed rate for ARQ
calls and variable rates for non-ARQ calls.
Command Function
&Cn Controls how the modem sends a Carrier Detect (CD) signal to
your computer.
&C0 CD always ON, even if the modem is not on line.