Alarm Input And Output Details - Dahua Smart Box Series User Manual

4. Please make sure the front-end device has soundly earthed.
Improper grounding may result in chip damage.

3.7.1 Alarm Input and Output Details

Important
Please refer to the specifications for the alarm input and output channel amount.
Do not merely count the alarm input and out channel amount according to the ports
on the rear panel.
3.7.1.1 2HDD 1U Entry-level Series
The interface is shown as below. See Figure 3-2.
Please refer to the following sheet and Figure 3-2 for detailed information.
1 2 3 4 5 6
， ， ， ， ， ，
7 ， 8 ， 9 ， 1 0 ， 1 1 ，
12 1 3 1 4 1 5 1 6
， ， ， ，
NO1 C1 ，
NO2 C2
，
NO3 C3
3.7.1.2 2HDD 2CIF 1.5U Series
The 2HDD 2CIF 1.5U series product interface is shown as in Figure 3-3.
You can refer to the following sheet for detailed information
1 2 3 4 5 6
， ， ， ， ， ，
7 ， 8 ， 9 ， 1 0 ， 1 1 ，
12 1 3 1 4 1 5 1 6
， ， ， ，
1-NO C 2 -NO C,
，
Figure 3-2
ALARM 1 to ALARM 8. The alarm becomes active in low voltage.
There are three groups of normal open activation output (on/off
button)
Earth cable.
Figure 3-3
ALARM 1 to ALARM 16. The alarm becomes active in low voltage.
There are three groups of normal open activation output (on/off
Standalone DVR User's Manual
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