So have had couple of ASM's fail due to bad power supply. So found a a power supply online and am going to play with replacing. So today went to open up ASM8 today and I'm stumped. Found the screw on front next to fiber. Can see on back there appears to be couple of screws towards top and one in middle that are probably causing to not open but I have no idea how to access. Front piece is single piece. Don't want to force open as probably will break.