181. As shown by callout 1 in Figure 3-12, loosen the M3 screws on the fan tray filler panel.2. As shown by callout 2 in Figure 3-12, put your fingers into the holes of the filler panel, and thenpull the filler panel out.Keep the removed filler panel secure for future use.Figure 3-12 Removing the filler panel from a fan tray slotInstalling power supplies and power traysPower trays and power suppliesThe power supplies are installed in the power trays. Power supplies at the front correspond to thepower input ends at the rear as shown in Figure 3-13.

H3C S12508CR Installation, Quick Start