You’re in the wrong forum, for one thing.
The HUB forum is here:
http://community.wdc.com/t5/WD-TV-Live-Hub-Media-Player/ct-p/live_hub
But to answer your question:
If you’re using WIRED LAN, go look at the port’s LEDs. If they’re OFF, you’re not putting it in standby, it’s being turned OFF.