Instruction manual

4. Installation of the Components
152
4.13 Powering the External Power Unit (EPU) On or Off
4.13.1 EPU-A
(1) Power On
[Step 1]
Turn on the main power switch on the back face of the EPU.
Figure 4-50 Power On (Main Body of the EPU)
(1) Main power switch
[Step 2]
Turn on the power supply modules.
Figure 4-51 Power On (Power Supply Module)
(1) Power switch
Prior to turning on the main switch of the EPU, make sure all power switches of the mounted
power supply modules are turned off.