Dahua NVR21-4KS3 Series User Manual page 83

The NVR52-8P-I/NVR52-8P-I/L series rear panel is shown as below.
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-
4
I/NVR52-16P-I/L
and NVR52-8P-
I/NVR52-8P-I/L
Figure 2-97 Rear panel
Figure 2-98 Rear panel
Figure 2-99 Rear panel
Table 2-40 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
Alarm input
port (1-4)
● When your alarm input device is using
63
source. Alarm input includes two types; NO
(normal open) and NC (normal close).
external power, make sure the device and
the NVR have the same GND.
User's Manual