Epson ESC/VP21 User Manual page 26

\C0
\C1
\C2
\Gn Modem to Modem Flow Control (XON/XOFF)
\G0
\G1
\Jn Enable/Disable DTE Auto Rate Adjustment
\J0
\J1
\Kn 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
18
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 not buffer data. Switches to normal mode
S
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.
Disable flow control. (default)
Enable flow control.
Disable adjustment of DTE speed to match
line speed. (default)
Enable adjustment of DTE speed to match line
speed.
Enter command state, but do not send a break.
COMMAND REFERENCE - 2