Active Low / High is up to how you are making that signal work so can be either
Normally Pin 11 is used to Enable the drive JP3-11=5v Enable, it will disable the drive when turned off
You could jumper Pin-12 to Pin-11 for the 5v to activate the drive, this should only be for a test though
If you have more than (1) drive, you can use a SSR to Enable all drives, using the (1) output from the control