IC Realtime 1U POE NVR Series, User Manual, Page: 19 / 291

2.2.3 2U NVR Series (NVR-EL16, NVR-EL32, NVR-EL64)
The NVR-EL16, NVR-EL32, NVR-EL64 rear panel is shown on Figure 2-7.
Figure 2-7
Name Function
Power switch / Power on-off button.
Power input port / Power socket. Input AC 100~240V
MIC IN Audio input port
Bidirectional talk input port. Receives the
analog audio signal output from the devices
such as a microphone or pickup.
MIC OUT Audio output port
Outputs the analog audio signal to the devices
such as a speaker box.
● Bidirectional talk output.
● Audio output on a 1-window video monitor.
● Audio output on 1-window video playback.
Network Port (x2) Network Ports NiC1 for local network, NiC2 for IP cam network
1–16
Alarm input port
1–16
● The first group is from port 1 to port 4, the
second group is from port 5 to port 8, the
third group is from 9 to 12, and the fourth
group is from 13 to
16. Receives the signal from the external
alarm source. There are two types; NO
(normal open)/NC (normal close).
● When your alarm input device is using
external power, please make sure the device
and the NVR have the same ground.
GND Alarm input ground port.
NO1–NO5
Alarm output port
1–5
● 5 groups of alarm output ports. (Group
1:port NO1–C1,Group 2:port
NO2–C2,Group 3:port NO3–C3, Group
4:port NO4–C4, Group 5: port NO5, C5,
NC5).Output alarm signal to the alarm
device. Please make sure there is power to
the external alarm device.
C1–C5
NC5
8