User Manual

User’s Manual
22
No. Port Name Function
2 Audio input port Receives audio signal output from the devices such as microphone.
3 Audio output port Outputs audio signal to the devices such as the sound box.
4 HDMI port
High definition audio and video signal output port.
The port outputs the uncompressed high definition video and multi-
channel audio data to the connected display with HDMI port.
5 Network port Connects to Ethernet port.
6
RS-485
communication
port
Connects to the control devices such as speed dome PTZ. RS-485_A
port is connected by the cable A and RS-485_B is connected to the
cable B.
7 VGA port Outputs analog video data to the connected display with VGA port.
8 USB port
Connects to external devices such as USB storage device, keyboard and
mouse.
9 Power input port Inputs 12V DC power.
10
Power cable
fastener
Use clamp to secure the power cable on the DVR in case there is any
loss.
11 Ground terminal.
3.2.3 DH-XVR7208A-4KL-I/DH-XVR7216A-4KL-I/DH-XVR52xxAN-
I2/DH-XVR52xxA-I2/DH-XVR52xxAN-4KL-I2/DH-XVR-52xxA-4KL-
I2/DH-XVR72xxA-4K-I2/DH-XVR7216AN-4K-I2/DH-XVR4216AN-I
No. Port Name Function
1 Ground terminal.
2
Alarm input port 1–
16
Four 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 DVR connect to the same ground.