how i know whent my rj45 inside the dreambox is working i not see ligth ?

others reciber come we ligth whent i prug in the wire b my dreambox is dead no ligths is this normal in dream 100 box or how i check? if is good?

Check for IP under DHCP. You will not get the lights for dreambox. Enable DHCP and go there multiple times (2 times in expert setup) and you should see an IP there. Then your connection is good.