Samsung SRD-450 DVR User Manual


 
14_ connecting with other device
CONNECTING THE AUDIO, SPEAKER, MOUSE, AND POWER CABLE
CONNECTING THE ALARM I/O
Connecting the alarm Input signal
Connection port for the alarm input signal.
Connect one strand of the sensor signal line (two
strands) to the alarm input port and connect the
other to the [G] port.
Connecting the alarm output signal
Connection port for the alarm output signal.
NO (Normal Open) : Sensor is open in normal
condition, it generates alarm if the sensor is closed.
COM : Connect the grounding cable.
NC (Normal Close) : Sensor is closed in normal
condition, it generates alarm if the sensor is open
by interruption.
connecting with other device
Network