Powering On And Off; Switching On And Off The Main Line Switch On The Power Distribution Unit (For Regions Other Than The Emeia, Central American, And Caribbean Regions); Figure 49 On Position (Marked "|") Of The Main Line Switches On A 1U Power Distribution Unit; Figure 50 On Position Of The Main Line Switches On A 1U Power Distribution Unit - Fujitsu ETERNUS DX500 S4 Operation Manual