User's Manual
52
Figure 2-73 Rear panel
Table 2-39 Rear panel description
No. Port Name Function
1 Power input port Input power of 100-240 V and 50-60 Hz.
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 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.
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.
Alarm
output port
(NO1-NO2,
C1-C2)
●
Two groups of alarm output ports (Group 1:
NO1-C1, Group 2: NO2-C2). Output alarm
signal to the external alarm device. Make
sure power supply is available for the
external alarm device.
●
NO: Normal open alarm output port.
●
C: Alarm output public end.
GND. Alarm input ground port.
RS-485 port
(A, B)
●
RS485_A port. Control cable A of the 485
device. It connects external devices such as
speed dome and PTZ.
●
RS485_B port. Control cable B of the 485
device. It connects external devices such as
speed dome and PTZ.
Alarm
input/output of
NVR4216-16P-I
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.
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