Dahua Mobile DVR Series - Peripheral Pickup; Extension Port

10
Figure 2-3
Please refer to the following sheet for detailed information.
Name
Function
+12
+12V output
GND
Mic In. Connect to speaker.
Mic Out. Connect to earphone.
SPK+
Speak positive.
SPK-
Speak negative.
2.2.3 Peripheral Pickup
The peripheral pickup is shown as below. See Figure 2-4.
Figure 2-4
Please refer to the following sheet for detailed information.
Name
Function
+12
+12V output.
GND.
Mic In. Connect to peripheral pickup.
NC
2.2.4 Extension Port
The extension port1 is shown as in Figure 2-5.