I am using the Voltage power sensing module on my current project for the Comcast Motorolla box. I am using a Xantech 12v power supply (Cut off the connector). What I have noticed is that after the power is switch off on the box it takes about 10+ seconds for the red led to fade out and the power to be discharged on the voltage sensing module. Is this normal or is there a particular transformer one should use?

The only issue I can see is that if a customer powers off and then forgot he wanted to tape something and hits the button to power back on the system, it skips the power on command, for the cable box, since it still thinks its powered up during that window.

I know the chances of this happening are slim but wanted to get any other thoughts.