Networking MQA 7005 with PC

The operating system (Windows XP) of our computer attached with NMR Oxford MQA 7005 has been corrupted and installed new Windows XP. Please let me know how to connect MQA 7005 with computer through networking cable. Which TCP/IP should I use and where is it located in software? when installing software shows message, "keep existing ini" replace it with new one. Kindly tell me which option should I use which will help in networking.