41
Figure 4-4
Parameter
4-channel 4K high definition series
AB
A/B cable of the control device.
GND port
1-4
Alarm input port
C1-C4
；
NO1-NO4
Alarm output port (NO)
4.1
Alarm Input Port
There are 16-ch alarm inputs and the input type can be NO or NC.
Connect the NC port of alarm detector to the
HDMI-WALL
alarm input port (ALARM)
When using external power to provide power to the alarm device, please make it has
the same ground with the
HDMI-WALL
.
Please refer to the following figure for more information. See Figure 4-5.
Figure 4-5
4.2
Alarm Output Port
8-ch alarm output (normal open contact). The external alarm device needs the battery
supported.
