The XPORT is a versatile ETHernet shield which allows an easy way of connecting almost any microprocessor (UART) to the internet. As memory or clock stability is nowadays a self-evidence, we dropped that handshaking stuff. Only RX and TX are used. And they are used therefore, as the microprocessor would call them. The used 6-pin header has always the same pin assignment, so they (RS232,USB,XPORT,...) are all interchangeable. The DC/DC converter (TSR1-2433) has proven to be the better choice, as linear regulators (may) cause huge current spikes, interferring with other devices in your system.

This device needs some setup, which can be easily done with the xport device installer. Backup is here. Dont forget to click the 'OK' button each time.




Step 1 : Find your device with the MAC-address




Step 2 : Click on the corresponding IP to see the details




Step 3 : Proceed to 'Web Configuration'




Step 4 : Network Settings




Step 5 : Server Settings




Step 6 : Serial Settings




Step 7 : Connection Settings




Step 8 : Configurable Pin Settings




Step 9 : Apply Settings - The device will reboot

Note the IP, as it will be necessary to establish a connection in the next step.

The device may easily be tested using the telnet command from the command shell. (cmd.exe). It may be necessary to install/activate the Telnet-Client. (Windows 7). After done so, open a command shell and type telnet IP port. An oscilloscope connected to the RX port is useful. The current consumption was approx. 150 mA at 5 V.





After pressing ENTER, a connection will be established. What you type now in this window, will be send to the xport and shows up at the RX pin (oscilloscope). You may create a loopback in connecting the RX to the TX. Every character will then be send back to your command shell. (You will see every charcter twice).

With HTerm it is also possible to send files. This may be useful if your parameters (like baudrate) are chosen to cause some errors. You may use this when investigating in BER (bit error rate).

The picture below is an ascii-fied image, send from my notebook via the UART-RS232 Adapter to the UART-XPORT Adapter and back to my notebook :-)

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