Quick Start Guide
2
No.
Port name
Description
4
Alarm I/O
Includes alarm signal input and output ports, and the number
of I/O ports might vary on different devices. For detailed
information, see Table 1-3.
5
Power input
Inputs 12 VDC power. Be sure to supply power as instructed in
the manual.
Device damage might occur if power is not supplied correctly.
Table 1-3 Alarm information
Port
Port Name
Description
Alarm I/O
ALARM_OUT
Outputs alarm signal to alarm device.
When connecting to alarm device, only the
ALARM_OUT port and ALARM_OUT_GND port with
the same number can be used together.
ALARM_OUT_GND
ALARM_IN
Receives the switch signal of external alarm source.
Connect different alarm input devices to the same
ALARM_IN_GND port.
ALARM_IN_GND
1.2 Connecting Alarm Input/Output
The camera can connect to external alarm input/output device through digital input/output port.
Alarm input/output is available on select models.
Step 1
Connect alarm input device to the alarm input end of the I/O port.
Device collects different states of alarm input port when the input signal is idling and
being grounded.
●
Device collects logic "1" when input signal is connected to +3 V to +5 V or idling.
●
Device collects logic "0" when input signal is grounded.
Figure 1-2 Alarm input
Step 2
Connect alarm output device to the alarm output end of the I/O port. The alarm output is
open-drain output, which works in the following modes.