Standard login then SET the IP you want on the antminer after that re-loign then set WAN to DHCP, login in to router IP and done same IP, easy.
i did a little check on them, i unplug one PCIE and the fans then really kick in loud, of course i assuming that the ant-miner presumed it was over heating itself and kicked them in.
I will also say one thing, the s3 isn't really sold out from bitmain.... their is a B4 but you have to pay by $ not BTC.... bitmainantminer.com
a little higher priced, but i assume that's to cover costs for them self's.