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Raw TCP Connection Mode
( Link to Serial Device Using TCP Raw Port )

This page explains how to link to a serial device using a TCP Raw Port.


1. What is Raw TCP Connection Mode?

2. Before You Begin

3. Link to Serial Device


1. What is Raw TCP Connection Mode?

Raw TCP Connection Mode is a feature used to send or receive serial port data transparently over TCP/IP.
Using this feature, you can directly communicate with a serial device using an application program that runs on the TCP Socket API.


2. Before You Begin

Change the settings to use SD-300/SD-310AN in Raw TCP Connection Mode.

Access the Web page of SD-300/SD-310AN.


In the left pane of the Web page, click General.


Select OFF for SX Virtual Link compatibility.

When completed, click the Submit button.


In the left pane of the Web page, click Serial Conf.


In the page displayed, configure the following settings at General Configuration as appropriate for your serial device.

  • Baud Rate
  • Bits per character
  • Stop Bits
  • Parity
  • Flow Control

When completed, click the Submit button.


In the left pane of the Web page, click Serial Service.


For TCP Port, enter the TCP port number that you wish to use for your application.

When completed, click the Submit button.


The configuration has been completed.



3. Link to Serial Device

Power on the serial devices and then SD-300/SD-310AN.
Start an application that runs on the TCP Socket API from your PC and bidirectional communication with the serial device will be active when a link is established.


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