Quick Start Guide
10
No.
Port name
Description
4
12 VDC power
input
Inputs 12 VDC power. Be sure to supply power as instructed in
the manual.
Device abnormity or damage might occur if power is not
supplied correctly.
5
Audio input/output
Connects to sound pickups to receive audio signal, or connect
to speaker to output audio signal
Audio input/output is available on select models.
For more information about I/O port, see Table 1-2.
Table 2-3
Alarm information
Port
Port Name
Description
Alarm I/O
ALARM_IN
Receives the switch signal of external alarm source.
Connect different alarm input devices to the same
ALARM_IN_GND port.
ALARM_GND
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
2.3.2
Connecting the Alarm Cable
Alarm input/output is available on select models.
Connect alarm input device to the alarm input end of the I/O port.
Step 1
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 +3V to +5V or idling.
Device collects logic "0" when input signal is grounded.