I´m trying to do a ping between W5100 and my computer. I use a PIC18F with SPI communication with W5100.
My comunication between PIC and W5100 is right: I send and receive the right values. But, when I connect the plug RJ45 is the same as not plug: nothing happens! The lights not turn on, nothing.
Any suggestion? My plug is connected how this document: wiznet.co.kr/UpLoad_Files/Re … otcamp.pdf