User`s manual

\Gn
\Jn
\Kn
\C0
\C1
\C2
Does not buffer data. (default)
Buffers data for four seconds until 200 characters
have been buffered or SYN character is detected,
then switches to reliable mode. If the buffer fills,
data is passed to the serial port.
Doe
S not buffer data. Switches to normal mode
upon receipt of auto-reliable fallback character and
passes it to serial port. This feature is used to allow
non-v.42 modems to connect immediately to a V.42
modem without data loss.
Modem to Modem Flow Control (XON/XOFF)
\G0 Disable flow control. (default)
\G1
Enable flow control.
Enable/Disable DTE Auto Rate Adjustment
\J0 Disable adjustment of DTE speed to match
line speed. (default)
\J1 Enable adjustment of DTE speed to match line
speed.
Break Control
Defines what action the modem takes when a break (Attention signal) is sent or
received, as described below.
In Connect State, if reliable mode then transmit break to remote:
n =
0,2,4
Enter command state, but do not send a break.
18
COMMAND REFERENCE - 2