Quick Start Guide
2
No.
Port Name
Description
8
Video output
Connects to monitors to output analog video signals.
Video output is available on select models.
9
RS-485
Controls external devices, such as PTZ.
RS-485 is available on select models.
10
Power output
Supplies 12 VDC power for external devices.
Power output is available on select models.
Table 1-2 Description of Alarm I/O port
Port Name
Description
ALARM_IN
Receives the switch signals of external alarm source.
Connect different alarm input devices to the same
ALARM_IN_GND port.
ALARM_IN_GND
ALARM_OUT
Outputs alarm signals to alarm devices.
When connecting to the alarm device, only the ALARM_OUT port
and ALARM_OUT_GND port with the same number can be used
together.
ALARM_OUT_GND
1.2 Connecting Alarm Input/Output
Background Information
The camera can connect to external alarm input/output devices through digital input/output.
Alarm input/output is available on select models.
Procedure
Step 1
Connect the alarm input device to the alarm input end of the I/O port.
Device collects different status of alarm input port while the input signal is idling and
being grounded.
●
Device collects logic "1" when the input signal is connected to +3 V to +5 V or idling.
●
Device collects logic "0" when the input signal is grounded.
