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02 CONNECTING WITH OTHER DEVICES
connecting with other devices _07
SENSOR (ALARM-IN) CONNECTION
Your DVR system is capable of transmitting electrical signals to external devices when an event occurs. Mechanical
or electrical switches can be connected to the Alarm-In and Ground (GND) ports. The individual Alarm-In ports can
be configured from the System Setup menu as either NC (Normal Close) or NO (Normal Open).
Alarm-In Connection
1. Connect one of the external device’s signal lines to the desired Alarm-In port.
2. Connect the remaining line to the Ground port (GND).
GNDNo.9 Sensor
(Alarm-In)
GNDNo.1 Sensor
(Alarm-In)
SPR-9816-9716.indb 7 2008-07-03 오후 2:46:23