Dahua NVR52-4KS2 Series User Manual page 85

The NVR4216-16P-I series rear panel is shown as below.
No. Port Name
1 Power input port
2 Power button
3 PoE port
Alarm input/output
of NVR52-16P-I/
4 NVR52-16P-I/L and
NVR52-8P-I/
NVR52-8P-I/L
Figure 2-104 Rear panel
Figure 2-105 Rear panel
Table 2-42 Rear panel description
Function
Input power of 100-240 V and 50-60 Hz.
Turns on/off the NVR.
Built-in switch. It can provide power for IPC.
16 PoE ports: 1-8 are ePoE ports (support 300m @ 100M. 800m @
10M). 9-16 are regular PoE ports. The device supports 150 W total
power.
8 PoE ports: 1-8 are ePoE ports (support 300m @ 100M. 800m @
10M). The device supports 48 V, 120 W total power.
They receive signals from external alarm
●
source. Alarm input includes two types; NO
(normal open) and NC (normal close).
Alarm input
port (1-4)
When your alarm input device is using external
●
power, make sure the device and the NVR have
the same GND.
Two groups of alarm output ports (Group 1:
●
NO1-C1, Group 2: NO2-C2). Output alarm
signal to the external alarm device. Make sure
Alarm output
power supply is available for the external alarm
port (NO1-
device.
NO2, C1-C2)
NO: Normal open alarm output port.
●
C: Alarm output public end.
●
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User's Manual