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[Noam]

I think the time is wrong on the interface. A macro that should have ran today did not.
Anyway to check?
CM19A - Power House TM751 or IBM Home Director HD501... (Or should I buy a different interface?)
AH Hardware configuration shows 01/01/1601 12 am and can't be changed.
My drop down tools menu also shows CM11 Configuration while I'm using CM19A.

Any info?

Well, there is no "interface time" on the CM19A. It has no internal memory or battery, so the time is run off the computer.
As for the AHP menu showing "CM11A configuration" - Mine does too, and I'm running a CM15A. That option is still there even if you don't have a CM11A.

[Brian H]

The Configure CM11A Tab is where you would turn on a serial port for CM11A use. It shows with any of the three interfaces. CM15A,CM19A and CM11A. With the CM15A and CM19A just make sure it is set to disabled.

As Noam pointed out. The CM19A has no clock in it and it can't be set. I just checked and with a CM19A mine is also stuck at 01/01/1601.

Since it uses the computers clock you can't store any timers and macros in a CM19A and the computer has to be On.

Discontinued CM15A has a RTC in it and memory to store timers and macros so the computer can be turned off.

The CM11A has a very small memory in it and a RTC. From what I have seen. Adding CM11A support to AHP was a band aid and it doesn't function very well.

[gg4000]

What's the CM17A about? Just saw them on E-Bay.

[Brian H]

CM17A Firecracker interface. RF transmissions only. Serial interface. No memory for downloads or RTC.
http://kbase.x10.com/wiki/CM17A

CM19A USB connection. RF send and receive. USB interface. No memory for downloads or RTC.
http://kbase.x10.com/wiki/CM19A

The CM15A is what works best with AHP and unfortunately is discontinued. Send and receive both X10 power line and X10 RF type signals. USB interface.
Battery backup, RTC, memory for downloading timers and simple macros.
http://kbase.x10.com/wiki/CM15A

Later AHP versions will work with a CM11A but most report it is a real rough and poor combination. Power line send and receive. Serial interface.
Battery backup, very small amount of memory for timers and macros, RTC that need a refresh if the power blips off.
http://kbase.x10.com/wiki/CM11A

[gg4000]

I see the CM15A on E-bay. 50 to 90 bucks. Any reason I should not get one?

[Brian H]

If the seller verified it is in good working condition you should be OK.

Only thing you may want to ask is the Date Code on the small round white sticker.
I know there where a few firmware updates from my original 04J41 CM15A.
04J41: P10792E.
04J44: P10792F.
All the units I have looked at after 05C10 had P10792M.

$49.99 was the original price for a CM15A and they through in AHP for free.