I apologize for lack of professionalism in the discussion and for my english.
In general the problem is as follows. I have problem with meteorological station installation under OS Lubuntu (Linux), but the station itself has a connector for LAN software that (I mean with the specified requirements) can not be associated with Linux. However, there is a solution: Converter Serial to TCP. The link below that is ideal for this purpose:
However, in the arsenal of available Arduino UNO / Ethernet board, which also based on W5100. Actually this is my question. Is it possible to assemble such convertor?
I ask you to give a detailed answer to the question.