Instruction manual

4. Installation of the Components
154
[Step 2]
Turn on the power supply modules.
Figure 4-53 Power On (Power Supply Module)
(1) Power switch
(2) Power Off
[Step 1]
Turn off the power supply modules.
[Step 2]
When all power supply modules are switched off, turn off the main switch on the back face of the EPU.
Check the cable connection on the back face of the EPU and switch off the power supply
module to stop.
When the main switch of the EPU is turned off, all backup power supply to the device is
shut off. When backup power is still supplied to the device, do not turn off the main switch
of the EPU.