Ruterboard RB1016 retrieving system by serial cable ?

Hi guys good morning,
I have a RouterBoard 1016 12s 1S + , the same after a power outage has not started more! the front panel displays the image Starting Kernel . I put a DB9 serial cable in the same and began by PUTTY , but it has no ethernet port for installation by netinstall . how we should proceed in this case? already I tried putting sfp and already tried with S- RJ01 adapter , but both without success.