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mDVR304
USERS MANUAL
12
2.2.2.
CAMERA 1-4 CONNECTORS
The mDVR304 supports a maximum of 3 cameras. These Micro-fit connectors are used to connect the
camera inputs to the mDVR304 system (video and audio) using a gang plug adapter for the cameras. Also
included in each camera connection is DV12V Out to power the camera. You can refer to the cover of the DVR for
the PIN assignments of each connector. If any of these cameras are not connected properly (for instance loose
cables, unplugged etc…) than the mDVR304 intelligently notifies the end-users with “NO VIDEO” on the preview
screen. Camera inputs are labeled CAMERA 1, CAMERA 2 and CAMERA 3
Pin Number
Signal
Description
Pin out
1
MIC-IN
Microphone In
2
GND
Ground
3
Video+
Video In (+)
4
Video-
Video In (-)
5
+12VDC
+12VDC OUT
6
GND
Ground
2.2.3.
GENERAL PURPOSE INPUT / OUTPUT CONNECTOR #1
This connector provides 5 digital inputs and 1 digital output. The digital inputs are labeled as DI_1, DI_2,
DI_3, DI_4, DI_5. The digital output is labeled as DO_3. End-users can assign any sensors to one of these digital
input signals. Up to 5 sensors can be wired to this connector. Alternatively, one alarm (LED, Siren, etc.) is available
on the digital output.
Pin Number
Signal Description
Pin out
1
Input DI_1
2
Input DI_2
3
Input DI_3
4
Input DI_4
5
Input DI_5
6
Output DO_3
7
GND
8
GND
9
+10V Standby
10
+10V Standby
2.2.4.
GENERAL PURPOSE INPUT / OUTPUT CONNECTOR #2
This connector provides 3 digital inputs. The digital inputs are labeled as DI_6, DI_7, DI_8. End-users can
assign any sensors to one of these digital input signals, up to 3 sensors can be wired to this connector. This
connector also pr12VDC OUT on pin 4 with a built-in 0.75A fuse.
Pin Number
Signal Description
Pin out
1
Input DI_6
2
1
2
Input DI_7
3
Input DI_8
4
+12VDC OUT
