RIGOL DG5000 Series - Manual (Page 45)

Chapter 1 Quick Start RIGOL
User’s Guide for DG5000 1-21
6. Load into the machine cabinet: mount the rack fixed with instrument into a
standard 19-inch machine cabinet with four M6 screws and square nuts.
7. Post-installation notice: the rack occupies a height of 3U. The holes pointed out
by the arrows are the installation holes. Note that they are aligned while
installing.