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TROUBLESHOOTING
PROBLEM
No Power
No Live Video
Live Video Very Bright
DVR has stopped recording
DVR displays an error
message stating that the last
recorded image date and time
is later than the current date
and time setting of the DVR.
CONNECTOR PIN OUTS
I/O Connector
Input
RS485 Connector
Ÿ
Check power cord connections.
Ÿ
Confirm that there is power at the outlet.
Ÿ
Check camera video cable and connections.
Ÿ
Check monitor video cable and connections.
Ÿ
Confirm that the camera has power.
Ÿ
Check camera lens settings.
If a cable is attached to the "Loop" connector, make certain it is connected to a
properly terminated device.
If hard disk drive is full, you will either need to delete video or set the DVR to
the Overwrite Mode.
The DVR will automatically reset the time and date of the unit, according to the
time and date of the last recorded image. If this is not the correct time and date,
reset the time and date manually. If the correct time and date is earlier than the
last recorded image, any video with a later time and date will be lost when
resetting the correct time and date.
AI (1 to 4)
Output
Four-Channel Digital Video Recorder
POSSIBLE SOLUTION
Alarm Inputs 1 to 4
GND
Chassis Ground
NC
Normally Closed
C
Common
NO
Normally Open
Master Unit
à
To à
+
à
To à
-
à
To à
+
à
To à
-
Slave Unit
TX+
TX-
RX+
RX-
21
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