Dahua Mobile DVR Series - Features and Specifications

Mobile DVR Installation Instruction Guide
8
Figure 2-3
Please refer to the following sheet for detailed information.
SN
Function
+5
+5V Output (The bottom line)
+5
USB 5V (The top line)
IR
IR receiver port
-
USB data
+12
+12V output
+
USB data+
VO
AV video output
GND
RX
RS232 RX
TX
RS232 TX
2.1.4 Bidirectional talk port
The following contents are to introduce function of each port. You can make connection cable by
yourself or you can contact your local retailer to purchase.
The bidirectional talk port is shown as in Figure 2-4.
Figure 2-4
Please refer to the following sheet for detailed information.
SN
Function