14
MIC OUT
Audio output
port
Audio output port. This is used to output the
analog audio signal to devices such as an
amplifier.
Bidirectional talk output.
Audio output on 1-window video
monitoring.
Audio output on 1-window video playback.
PoE PORT
PoE port
Built-in switch. Supports PoE.
For PoE series products, you can use this port to
provide power to the network cameras.
2.3 Alarm Connection
2.3.1
Alarm Port
The alarm port is shown as below. See Figure 2-6. The following figure is based on the 78 series.
Figure 2-6
Icon
Function
1, 2
ALARM1, ALARM2. The alarm becomes activated in the low
level.
NO C
NO activation output. (On-off button).
+
12V
Rated current output. Current is 500mA.
GND
Summary of Contents for NV21 Series
Page 1: ...Network Video Recorder User Manual Version 1 0 4 Revised November 21st 2018 ...
Page 201: ...201 Figure 5 39 5 9 2 7 Email The email interface is shown as in Figure 5 40 ...
Page 214: ...214 Figure 5 58 ...
Page 227: ...227 Figure 5 77 Figure 5 78 ...
Page 245: ...245 Figure 5 102 5 10 2 Log Here you can view system log See Figure 5 103 Figure 5 103 ...