Arduino Ethernet

Hello,

I start a project with arduino ethernet, how i know the function of the pins?

And What is the number of the pins? because in my board for example says A0,Vin, GND... not the number.

Where i can find this reference?

Thanks.

see attached.
Good bye and Good luck...

. :grin:

DOOOH....(why didn't I think of that ?)