Ques. Sir, i am having a LAN port in the in my room. I am not having any laptop or PC. I want to surf net in my mobile using WiFi router. Please sir give me instruction regarding connecting router to the LAN port.
Ans. If you have an Internet connection from an ISP and that connection terminates at that LAN port.
Then yes you can connect your Router's WAN port to The LAN socket in your wall using a Ethernet cable.