Changing the position of the rack mounting brackets
The rack mounting bracket attached to the chassis is a flat type that fixes the rack column to the front of the chassis. By changing the position of the rack mount brackets, the main unit can be retracted 50 mm to the rear.
You can change the position of the rack mount brackets by remove the rack mounting hardware attached to the chassis and installing them using the second set of screw holes 50mm to the rear of the chassis.