Ampersand (&) Command Set - 3Com 56K Command Reference Manual

Ampersand (&)
Command Set
Command Function
X3
X4
X7
Z Software 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
&$ Display help for the ampersand (&) command set.
&An Enable or disable the display of additional result code subsets.
(Also, see the Xn command.)
&A0
&A1
&A2
&A3
&Bn Set the serial port rate to variable or fixed.
&B0
&B1
&B2
The serial port rate MUST be equal to or higher than the &Nn rate.
.
Command Function
&Cn Controls how the modem sends a Carrier Detect (CD) signal to
your computer.
&C0
Ampersand (&) Command Set
Ignore Dial Tone
Microsoft default
Business Modem default
Do not display ARQ result codes.
Display ARQ result codes.
In addition to ARQ result codes, display HST, V.32,
V.FC, or V.34 modulation indicator.
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).
Variable: The serial port rate adapts to match the
speed of the connection.
Fixed: The modem always communicates with your
computer at the rate at which you have set,
regardless of the connection rate.
When answering calls, use the fixed rate for ARQ
calls and variable rates for non-ARQ calls.
CD always ON, even if the modem is not on line.
B-5