User's Manual
22
10
RS-485
communication port
RS485_A port. It is the cable A. You can connect to the control
devices such as speed dome PTZ.
RS485_B.It is the cable B. You can connect to the control
devices such as speed dome PTZ.
11 Power input port Input 12 VDC.
12 Power cable fastener
Use clamp to secure the power cable on the device in case
there is any loss.
13 Video output port Connect to output devices such as TV.
3.2.6 DHI-XVR7108HE-4KL/DHI-XVR7116HE-4KL
Rear panel
Table 3-11 Rear panel
1
Alarm input port
1–16
4 groups of alarm input ports (Group 1: port 1 to port 4; Group 2:
port 5 to port 8; Group 3: port 9 to port 12; Group 4: port 13 to
port 16). These ports receive the signal from the external alarm
source. There are two types: NO (normally open) and NC (normally
closed).
When your alarm input device is using external power, please make
sure the alarm input device and the Device have the same ground.
Alarm output port
1–3 (NO1–NO3;
C1–C3)
3 groups of alarm output ports (Group 1: port NO1–C1, Group
2: port NO2–C2, Group 3: port NO3–C3). These ports output
alarm signal to the alarm device. Please make sure power
supply to the external alarm device.
NO: Normal open alarm output port.
C: Alarm output public end.
Ground.
2 Video input port Connects to analog camera to input video signal.
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