Dahua NVR4416-16P-I - Page 19

Front Panel and Rear Panel 10
Figure 2-7 NVR4216-16P-I
Table 2-4
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
and 52-8P-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.
Alarm
output
port
(NO1-NO
2, 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.
RS485
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.