Dahua L Series

User's Manual
53
Figure 2-71 Rear panel
The NVR52-8P-I/NVR52-8P-I/L series rear panel is shown as below.
Figure 2-72 Rear panel
The NVR4216-16P-I series rear panel is shown as below.
Figure 2-73 Rear panel
No. Port Name Function
1 Power input port Input power of 100V-240V and 50Hz-60Hz.
2 Power button Turns on/off the NVR.
3 PoE port
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 150W total power.
8 PoE ports: 1-8 are ePoE ports (support 300m @ 100M. 800m
@ 10M). The device supports 48V, 120W total power.
4
Alarm input/output
of NVR52-16P-
I/NVR52-16P-I/L and
NVR52-8P-I/NVR52-
8P-I/L
Alarm input
port (1-4)
●
They receive signals from external
alarm source. Alarm input includes two
types; NO (normal open) and NC
(normal close).
●
When your alarm input device is using
external power, make sure the device
and the NVR have the same GND.