Instruction manual

4. Installation of the Components
148
4.12 Powering the Main Device On and Off
4.12.1 AC Power and AC (PoE) Models
(1) Power On
Turn on the power switch on the back face of the device.
Figure 4-47 Power On (AC Power Model)
(1) Power switch
(2) Power Off
Turn off the power switch on the back face of the device.
The description below is about powering the AC power model on and off. The same procedures
are applicable to the AC (PoE) models.
To supply backup power from the EPU, also turn on the EPU and the power supply module. To
turn on the EPU and the power supply module, see 4.13 Powering the External Power Unit
(EPU) On or Off.
When backup power is supplied from the EPU, turning off the power switch of the device
does not shut off the power supply to the device.
Turn off the power supply module which supplies backup power as well as the main
device.
The device is accessing the memory card while the ACC LED is lighting. Do not remove the
memory card or turn off the device. Otherwise, the memory card may be damaged.
In addition, some commands take long time to complete accessing the memory card after
entered. Confirm the access has ended before removing the memory card or turning the power
supply off.