3-3
3.2
Rear View
(1) Power supply (PS0)
(2) Controller (CONT0)
(2) Controller (CONT1)
(1) Power supply (PS1)
(4) Fan
(4) Fan
(5) Power control mechanism (PCC) or dummy assembly
(3) Battery backup unit (standard configuration)
(1) Power supply
(3) Battery backup unit (option)