Originally Posted by kwikbreaks

As the PSU is only rated at 18w (12v 1.5A) then I really doubt it uses 17w.

The modem and router need to be on. The machine needs to be wired using an ethernet adaptor that supports WoL. I use LogMeIn Free to remotely access my machines at home and that has a WoL function. It lists all the machines which have connected with the LogMeIn software on them set up for your account with the option to power up any that are off.

There are other ways to do this if you prefer to use different remote desktop software and google should give some answers on those.

With the Superhub and no piggyback modem WoL can be made to work on one machine by forwarding UDP port 9 to that machine's (fixed) IP. With something that works properly you should be able to wake any machine on your network that support the feature without any special router settings.