Epson ActionNote 880C User Manual - Fax/Data Modem - Page 28

established refer to the, tion. The remote modem must answer the MNP link request for the link to

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\N3 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) \N4 V.42 Reliable - The modem attempts to negotiate LAPM error correction, hanging up if it fails. 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 connection). The remote modem must answer the MNP link request for the link to be established (refer to the \U command). \Qn Set Serial Port Flow Control This command specifies the DTE-to-modem flow control. Software flow control uses the XOFF (13 hex) and XON (11 hex) characters to stop and start data transmission, 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 COMMAND REFERENCE - 2

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\N3
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)
\N4
V.42 Reliable - The modem attempts to negotiate
LAPM error correction, hanging up if it fails.
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
connec-
tion). The remote modem must answer the MNP link request for the link to be
established (refer to the
\U
command).
\Qn
Set Serial Port Flow Control
This command specifies the DTE-to-modem flow control. Software flow control uses
the
XOFF
(13 hex) and XON (11 hex) characters to stop and start data transmis-
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
COMMAND REFERENCE - 2