JVC VR-609 - Manual (Page 29)

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VR-609
3.4.2 External Product Connection of ALARM OUT and Application
Supports up to 4 separate alarms for motion control or alarms.
Possible to install output-events to each out terminal from the menu.
■ OUTPUT EVENTS
・Digital inputs to alarm 1~ 9, Disk Full, Video Loss, Power Off, Admin. PW Changed,
Motion Detect.
・When connecting to an external device, it is better to connect with the interface
circuit.
Alarm output terminals are 5V TTL output. !
Connection Diagram
GND 1 2 3 4
Circuit Diagram
Alarm Output
47kΩ
5V
ALARM OUT
Terminal
Inside DVR Circuit