my Insert hardware - invert the phase of my signals .

Hi i as said ,
I Don’t understand , cubase calculate perfectly the delai on my interface .
But the signal comme back in perfect phase opposition .

What i miss ?
thank’s !!!

ok ,
Sorry i need to slip my chanel strip was out of phase …

So it work perfectely for the phase .

But what i don’t understand is that’s if i turn off my chanel strip with the insert on cubase . The sound continue play from the cubase track ? any idea ? is it normal ?

i got bad sound when I activate the insert