Arduino Mega 2560 + Ethernet Shield

Good Morning,
I'm trying to use Arduino Mega 2560 + Ethernet Shield.

Reading the references here :

what i see is : "Arduino communicates with the shield using the SPI bus. This is on digital pins 11, 12, and 13 on the Uno and pins 50, 51, and 52 on the Mega ". Ok now the pin 50,51,52 are put in different manner respect the other.

How I can do ?
Is necessary to use PoE ? (so, I've played a few moments with Uno a couple of Years ago but i didn't remeber :blush:)

Reading the topic should be very simple use the basic example, i thinks that are necessary to a simply steps ...

Could you help kindly me ?
Thanks Gnux

arduino ethernet shield was broken ...