Instruction manual

4. Installation of the Components
181
Figure 4-62 Power on (power supply module)
(1) Power switch
(2) Power off
[Step 1]
Turn off the power supply modules.
NOTE
Check the cable connection on the back face of the EPU and switch off the power
supply module to stop.
[Step 2]
When all power supply modules are switched off, turn off the main switch on the back face
of the EPU.
When the main switch of the EPU is turned off, all backup power supply units 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.