Installation And Configuration; Cable Connections; Alarm I/O Connections - Dahua NK8BB7Z Quick Start Manual

3 Installation and Configuration

3.1 Cable Connections

Ref Port Name
1 AUDIO OUT
2 AUDIO IN
3 LAN
4 I/O
5 Power

3.2 Alarm I/O Connections

Refer to the following table for detailed Alarm I/O pin information:
Pin Name
1 ALARM_NO
2 ALARM_COM
3 ALARM_IN1
4 ALARM_IN2
5 ALARM_OUT_GND
Figure 3-1
Function Connector
Audio Output Port RCA
Audio Input Port RCA
Network Port RJ-45
I/O port -
Power Input Port -
Note
Alarm output port. Outputs the alarm signal to the alarm device.
NO: normal open alarm output port.
It must be used with ALARM_COM.
Alarm output public port.
Alarm input port 1. Receives the on-off signal from the external alarm
source.
Alarm input port 2. Receives the on-off signal from the external alarm
source.
Ground port
Notes
Audio out from the device to an external speaker.
Audio in to receive an analog audio signal from
an external pickup.
Connect to standard Ethernet cable.
Note: Certain devices support Power over
Ethernet. Check the specific device to determine
if the device accepts PoE and use an appropriate
Ethernet cable and network to supply power.
Alarm signal input/output. Refer to the table
below more details.
Power port. Input 12 VDC power supply.
Use in accordance with device label instructions.
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