Users Manual Part 1

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26
Figure 2-45 Rear panel
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The 4K 1U (S2) with 16 PoE ports series rear panel is shown as below.
Figure 2-46 Rear panel
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Table 2-20 Rear panel description
Name
Function
Power switch
Power on/off
button.
Power input port
Input 12 VDC/4 A.
For general 4K 1U (S2) series product only.
Switch power port. Input 48 VDC/96 W.
For 4K 1U (S2) with 4 PoE ports series product only.
Input 90~264
-12 VAC 5 A/52 V 2.5 A-190 W.
For 4K 1U (S2) with
8 PoE ports/ 4K 1U (S2) with 16
PoE ports series product only.
MIC IN
Audio input port
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such as
microphone, pickup.
MIC OUT
Audio output port
Audio output
port. It is to output the analog audio
signal to the devices such as the sound box.
●
Bidirectional talk output.
●
Audio output on 1-window video monitor.
●
Audio output on 1-window video playback.
1
–4
Alarm input port 1–
4
●
There are two types; NO (normal open)/NC
(normal close).
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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.
N1, N2
Alarm output port
1
–2
●
2 groups of alarm output ports. (Group 1: port
NO1–C1,Group 2: port NO2–
C2).Output alarm
signal to the alarm device. Please make sure
there is power to the external alarm device.
●
NO: Normal open alarm output port.
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C:Alarm output public end.
C1, C2
A
RS
-485
communication
RS485_A port.
It is the cable A. You can connect to
the control devices such as speed dome PTZ.