StarTech.com SV831SUN - Manual (Page 10)

8
Figure 8 shows how to assemble rack cable support then screw it to
the back and inside the rack cabinet vertical post.
Figure 8: Assembling rack cable support
Now, route the keyboard, mouse and monitor cable over the cable
support bar. Then, use plastic ties to bundle the cables in pairs
through the holes on the bar for each computer.