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Thanks for the info!
I was not aware that the URM-15T has a settable period of time after
which it wakes up. I've put investigations into and support for this
feature on the ToDo-list (=> not a promise, as I may not be able to
get hold of a URM-15T here in Germany, but that makes sure I won't
forget looking into it).
Regarding limiting the wakeup functionality to a certain remote: I
don't think that'll be possible. The Keyspan receiver does not do any
parsing/decoding of the raw IR signals it receives on its own. That's
entirely done in the software on your computer.
Opposed to that, receivers like the one Apple builds into Macs limit
wake up to specific remotes (here: the Apple Remote), but also do
parsing/decoding of the raw IR signals in hardware. That's the
positive aspect. The negative aspect here is that these receivers are
limited in hardware to a limited set of remotes using the same
protocol and thus lack the flexibility a "stupid" receiver like the
Keyspan has.
Best regards,
Felix Schwarz