I've been trying some commands and here is what I've found:
41 - Power Toggle
47 - Power Toggle
I tried all the non-listed functions up to 100.
This is just my opinion, but I think 41 is supposed to be discrete power off, and 42 discrete power on. I only say this because the function numbers for everything else lines up with the Xbox 360:
[Link: remotecentral.com]