Have two DC 07G27. Both act the same.
On or Off: No ramp fast on or off.
Dim; if off; goes to 100% fast; then down from there.
Dimmed to 50%; then off. Then back on; full on
All Lights ON: responds
All Lights Off: Does not respond
All Units Off: Responds.
I don't have a way to do X10 Extended; so that I could not test.
Date Code: 07G27 Date Code: 02F23
IC H78561 F78651
45713571 0614 [maybe date code] 70196019 0131
PCB: H10004A H10004
Those are the characteristics of the original LM465. If you've got AHP running, you can drag in the icon for the LM14A; then running the brightness slider up and down will send extended code preset commands, but I doubt you'll see any response from the module.
Comparing the redesign LM465 (date code 07D17) with an original LM465 (date code 04D15), the major difference I see is that the controller chip on the redesign is a much smaller surface mount chip on the
bottom side of the board, whereas the original has a DIP chip on the top side with the rest of the components. The original PCB is marked H10004A A (the second A is smaller). The DIP is marked H78561 / 21061106 0344.
Based on what you've seen and the location of the controller chip, it appears X-10 is mixing old and new product.
Good show X-10!!! Now you've really screwed up the works!