Samsung SCQ-041AP User Manual page 23

Chapter 2
After you have attached both mounting adaptor to the SCQ-041P, align
the SCQ-041P within the appropriate space in the rack and attach it
firmly to the rack.
Warning
Install the SCQ-041P on the Rack with a minimum distance between the
SCQ-041P and the other system of at least 22mm(a half of the SCQ-041P
height)
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