Design suggestion for serial to ethernet bidirectional connection

arduinoethernetrs232

I am working on a project.My requirement is to enable communication between one serial interface(DB9-RS232) with an Ethernet interface(RJ45), via a microcontroller. after searching a lot, the most economical way I ve found is using an Freeduino board(which uses an avr328 ) alongwith accessory boards for ethernet and RS232 implementation.

http://www.embeddedmarket.com/products/Freeduino-UNO-With-Female-Headers/

or

http://www.embeddedmarket.com/products/Arduino-Compatible-Freeduino-DU/

http://www.embeddedmarket.com/products/ENC28J60-Ethernet-Module/

http://www.embeddedmarket.com/products/RS232-to-TTL-Converter/

I am not sure if it is possible, kindly advise/guide if this is the right way to go? or some better way is possible?

link to origin question

Ethernet RJ45 interfacing with microcontroller

Best Answer

I think this (or similar) is the shortest way:

http://www.lantronix.com/device-networking/embedded-device-servers/xport-direct-plus.html

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