Sun Microsystems Fire V490 Setup And Rackmounting Manual page 57

4. Locate the large oval cutout in the center section of the cable management arm.
The fingers, oval cutout, and straps enable you to route the cables and cords and
secure them to the cable management arm. A single power cord is shown in the
figure below to indicate a routing path.
Two
fingers
Oval
cutout
Three
fingers
Chapter 3 Setup Procedures 47