Epson ESC/VP21 User Manual page 28

\N3
\N4
NOTE: 300 bps does not support synchronous operation. The mode will
automatically fall back to MNP asynchronous operation.
\O Originate Reliable Link
in normal mode (\N0), the modem will attempt to originate an MNP link, regardless
of whether the modem originated or answered the telephone call (physical
tion). The remote modem must answer the MNP link request for the link to be
established (refer to the
\Qn Set Serial Port Flow Control
This command specifies the DTE-to-modem flow control. Software flow control uses
the (13 hex) and XON (11 hex) characters to stop and start data transmis-
XOFF
sion, respectively, both to and from the DTE. Unidirectional hardware flow control
uses the CTS control line to stop/start data from the DTE only, while bidirectional
hardware flow control also uses the RTS control to stop/start data from the modem.
20
V.42 Auto-reliable Mode * - If V.42 detection
is enabled (-Jn), a LAPM or MNP link can be
detected and negotiated, otherwise only LAPM
will be attempted. If configured for -J0 and a
protocol connection is not made, the modem
will hang up. If configured for -J1 and a protocol
connection is not made, the modem will fall back
to speed buffering mode. (default)
V.42 Reliable - The modem attempts to negotiate
LAPM error correction, hanging up if it fails.
command).
\U
COMMAND REFERENCE - 2
connec-