4 Configuring the Serial Port Settings Ether232Plus User Guide
28 Precidia Technologies Inc. 02-CML000057
2 Choose
Port Mode
from the Serial Port Settings sub-menu.
You are prompted to choose a new mode, as shown below.
3 Type the letter that corresponds to the desired mode, and press
Enter
.
4.4 Connection Control
Connection Control specifies the method of connection between the Ether232Plus and
the remote serial device. The options are described in Table 4.4 .
A. RS-232 B. RS-422 C. RS-485
Choose new mode (letter) or press ESC to cancel:
Choosing the Port Configuration
Table 4.4: Connection Control Options
Option Description
Automatic
Default setting. Useful for most setups. Initiates a connection as soon
as there is data to send (except in tcp-server mode).
Net-Linked
Links the protocol connection to the status of the network (Ethernet).
Attempts to keep the connection permanently open.
DTR/DSR
Control
Uses the DTR/DSR lines to open and close connections. In tcp-client
mode, the Ether232Plus establishes an IP connection to the remote
host when DSR is asserted and terminates a connection when DSR is
negated.
In tcp-server mode, the Ether232Plus asserts DTR when there is a
valid incoming connection attempt and accepts the connection as soon
as DSR is asserted.
In tcp(tunnel) mode the Ether232Plus both accepts and establishes
connections to the host.
RTS/CTS
Control
Uses the RTS/CTS lines to open and close connections. In tcp-client
or tcp(tunnel) mode, the Ether232Plus establishes an IP connection
to the remote host when CTS is asserted and terminates a connection
when CTS is negated.
In tcp-server or tcp(tunnel) mode, the Ether232Plus asserts RTS
when there is a valid incoming connection attempt and accepts the
connection if CTS is currently asserted.
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