Fran.
Can i ask, Will D423 come with just blanking plates, on the front, that we can fit.
Its just so if you did want 1 with the /MU jumpers you could fit them your self from the little plastic bag.
But then begs the question, you would have to do MU jumpers in both colours ( ie orange & dark grey)
the question being did D423 operate with orange or grey boxes, in the early days.