Instruction manual

4. Installation of the Components
151
(2) Power Off
Turn off all power switches on the back face of the device.
For devices with redundant power supplies, turning off either power switch does not
shut off the power to the device.
Turn off the switches of all power units mounted on the device to shut it off.
The device is accessing the memory card whenever the ACC LED is lit it. Do not remove the
memory card or turn off the device. Otherwise, the memory card might be damaged.
In addition, some commands take a long time to access the memory card after being executed.
Confirm that access has ended before removing the memory card or turning the power supply
off.
In the following situations, do not switch off the device until the blinking ST1 LED in green turns
to lighting continuously in green. Otherwise, the device might break down.
• Updating software