Instruction manual

4. Installation of the Components
176
CAUTION
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
4.12.2 DC model
(1) Power on
Turn on the power switch on the back face of the device.
Figure 4-56 Power on (DC model)
(1) Power switch
NOTE
If the switch has not been turned on for a long time (a month or more), the switch
might not start up with the red ST1 LED staying on (for the first try only).
In this case, turn off the switch, and then turn it on again.
(2) Power off
Turn off the power switch on the back face of the device.
CAUTION
The device is accessing the memory card whenever the ACC LED is lit. Do not
remove the memory card or turn off the device. Otherwise, the memory card might
be damaged.
In addition, some commands take 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 unit off.
CAUTION
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
4.12.3 Redundant power model (AX3630S, AX3640S)
NOTE
The description below is about powering the device on and off with a PS-A01. The
same procedures are applicable to the device with PS-D01.