Speco Technologies DVR-X1 - Manual (Page 5)

DVR-X1 User Manual
3. Installation
Rear panel
Power Supply ： 12V DC，4A.
VIDEO IN ： Image signal input, connected to the video source.
VIDEO OUT ：“VIDEO OUT” is connected to monitor ”VIDEO IN”.
VCR OUT ：“VCR OUT” can be connected to the ”VIDEO IN” of a VCR.
AUDIO IN ：For a MIC connection.
AUDIO OUT ：Line Level for live and Audio playback.
SENSOR/ALARM ： There is a DB9 connector on the right side of the rear
panel, which is connected to any external sensors and
alarm output (Relay).
FAN ：To radiate hot air
The DVR-X1 automatically detects NTSC/PAL, please connect the
video source before turning on the DVR.
DB9 PIN CONFIGURATION:
3 GND Ground
5 Sensor Trigger Input – 1 External sensor input
7 Relay Out – COM Replay output COM terminal
8 Relay Out – N.O. Replay output normally open
9 Relay Out – N.C. Replay output normally closed
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