User's Manual
58
Icon Name Function
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.
GND Ground end.
2.3 Alarm Connection
2.3.1 Alarm Port
The alarm port is shown as below. The following figure is for reference only.
Figure 2-81 Alarm port
Table 2-43 Alarm port description
Icon Function
1–16 ALARM1–ALARM16. The alarm becomes activated in the low level.
NO1 C1, NO2 C2, NO3
C3, NO4 C4
Four NO activation output groups. (On-off button).
NO5 C5 NC5 One NO/NC activation output group. (On-off button).
CTRL (CTRL 12 V)
Control power output. Disable power output when alarm is canceled.
Current is 500 mA.
P (+12 V) Rated current output. Current is 500 mA.
GND.
A/B
485 communication port. They are used to control devices such as
PTZ. Please parallel connect 120 TΩ between A/B cables if there are
too many PTZ decoders.
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