4 Configuring the Serial Port Settings Ether232Plus User Guide
22 Precidia Technologies Inc. 02-CML000057
4.1 Protocol
The Protocol setting defines how the Ether232Plus communicates with the remote
server. The Protocol setting has two parts: Data formatting an Session Mode.
The first part of the Protocol setting, data formatting, indicates how to parse or
process the data stream to provide compatibility with the remote server. Table 4.1
describes the data formatting options.
Table 4.1: Data Formatting Options
Menu Item Description
disabled
Default setting. The unit will not accept any host initiated or local
sessions. You must choose a protocol for the unit to become active.
ComPort
Control
Extends a serial link to allow remote configuration and control of a
serial port. Upon receipt of a message containing Com Port Control
commands, the Ether232Plus extracts the command information
from the message and sets the following parameters of the serial
port: baud rate, data length, parity bits, stop bits, DTR signal (often
used to disconnect a call), and flow control.
Once the serial port is set, the Ether232Plus forwards the data to the
serial device unchanged. If any changes to the Com Port or modem
line occur, the Ether232Plus will automatically send a notification
packet to the host.
Once the transaction/transmission is complete, the Ether232Plus
automatically resets to the Port Setting defined in the Serial Port
Settings
sub-menu until the next message is received.
Telnet Com Port Control is defined in RFC2217. Refer to the Help
Guide Com Port Control Compliance at http://www.precidia.com/
products/documentation.html for a list of the Com Port Control
commands supported by the Ether232Plus.
If you are connecting only one Ether232Plus to a PC and the appli-
cation requires COM port connection, you can use Com Port Redi-
rector software. You can find more information and purchase this
software on the Precidia Web site at http://www.precidia.com/prod-
ucts/request_software.html.
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