No.
Port Name
Function
16
eSATA port
External SATA port which connects to the device with SATA port.
Perform the jumper configuration when connecting HDD.
3.2.3
2U
Figure 3-5
Table 3-5
No.
Port Name
Function
1
Audio output port
Outputs the analog audio signal to the devices such as the sound
box.
2
Video output port
Connect to video output devices such as TV.
3
Audio input port
(MIC IN)
Tow-way talk input port which receives the analog audio signal
output from the devices such as microphone, pickup.
4
Audio output port
(MIC OUT)
Tow-way talk output port which outputs the analog audio signal to
the devices such as the sound box.
5
Audio input port
Receives the analog audio signal output from the devices such as
microphone.
6
Alarm input port
1–16
⚫
Four groups of alarm output 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 device and the NVR have the same ground.
Alarm output port
1–5 (NO1–NO5;
C1–C5; NC5)
⚫
Five groups of alarm output ports. (Group 1: port NO1–
C1,Group 2:port NO2–C2,Group 3:port NO3–C3, Group 4
：
port NO4–C4, Group 5: port NO5, C5, NC5). These ports
output alarm signal to the alarm device. Please make sure
power supply to the external alarm device.
⚫
NO: Normally open alarm output port.
⚫
C: Alarm output public end.
⚫
NC: Normally closed alarm output port.
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