Avalue Technology OFT-21W01 Quick Reference Manual page 21

Step6. Fasten 12 screws to secure Panel mount kit brackets and insert it into Panel Mount Brackets.
9 Panel mount Screw
8 Panel Mount Kit Bracket
6 Panel Mount Bracket
Item
(Inside of the wall)
Part Name
6-1
12
12
6
Quantity
OFT-21W01 Quick Reference Guide 21
Quick Reference Guide