Supero A+ 122TG-H6IBQRF User Manual page 82

A+ SERVER 2122TG-H6IBQRF/H6RF USER'S MANUAL
5. Place the replacement fan into the vacant space in the housing while making
sure the arrows on the top of the fan (indicating air direction) point in the
same direction as the arrows on the other fans (see Figure 6-4).
Figure 6-4. Replacing a System Fan in the Fan Housing
6-6