AT
Command Set
INSYS Modem 336/56k 4.1 (UL)
Command
Description
AT&K<n>
Select data flow control between the PC and the modem (handshake)
Fax operation default is RTS/CTS.
AT&K0
No data flow control
AT&K3
Select data flow control RTS/CTS (default)
AT&K4
Select data flow control XON/XOFF
AT&K5
Select transparent data flow control XON/XOFF
AT&K6
Select RTS/CTS and XON/XOFF data flow control
AT&K8
Activates the controlled half duplex operation on the serial interface for
RS485. In this mode, the CTS signal is deactivated (high), while the INSYS
modem sends data at the serial interface. Thus, the CTS signal can be
used as driver release signal for a RS485 driver. The polarity can be set
with
AT&R
.
AT-K<n>
Extended MNP functions (MNP 10)
This command determines if a V.42LAP-M connection can be switched to a MNP 10 con-
nection
AT-K0
Disables switching from V.42 LAP-M to MNP 10 (default)
AT-K1
Enables switching from V.42 LAP-M to MNP 10
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July 06
