3External and internal structureFront panelThe illustration below shows the system front panel.Item Icon Component1 Power button/indicator2 LAN activity indicator3 Status/fault indicator4 System ID button/indicator5 Three 3.5-inch hot-plug drive bays (A0 to A2) for node A6 Three 3.5-inch hot-plug drive bays (B0 to B2) for node B7 Three 3.5-inch hot-plug drive bays (C0 to C2) for node C8 Three 3.5-inch hot-plug drive bays (D0 to D2) for node D9 Hot-plug HDD activity indicator10 Hot-plug HDD status indicator11 Server node D control panel12 Server node C control panel
