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AC Terminal
DC Terminal
Power Terminal Block Pin Assignment
Terminal
Number
Description Note
1
PWR1
Line/DC+
PWR1 Line/DC+
is connected to the positive
(+) terminal if the power source is DC, or to
the Line terminal if the power source is AC.
2
PWR1
Neutral/DC-
PWR1 Neutral/DC-
is connected to the
negative (-) terminal if the power source is
DC, or to the Neutral terminal if the power
source is AC.
3
NC
Reserved for future customization.
4
Signal Ground
Signal Ground
should be connected to the
ground terminal for AC power source 1.
5
NC
Reserved for future customization.
6
NC
Reserved for future customization.
7
Signal Ground
Signal Ground
should be connected to the
ground terminal for AC power source 2.
8
NC
Reserved for future customization.
9
PWR2
Line/DC+
PWR2 Line/DC+
is connected to the positive
(+) terminal if the power source is DC, or to
the Line terminal if the power source is AC.
10
PWR2
Neutral/DC-
PWR2 Neutral/DC-
is connected to the
negative (-) terminal if the power source is
DC, or to the Neutral terminal if the power
source is AC.
After you have connected the power cords to the power input unit, the
system will automatically boot up. Depending on the operating system
installed, the boot-up process will take about 30 to 60 seconds.
Front Panel LEDs
There are 60 LED indicators on the front panel of the DA-720-DPP.
Information about each LED is given in the following table:
LED
Color
Description
Power
Green
Power is on
Off
No power input or a problem in the
power supply
Storage
Yellow/Blinking Data is being written to or read from
the storage unit
Off
Storage unit is idle
Power Input 1
Status
Red
Power Input 1 has failed
Off
Power is being properly supplied to
Power Input 1