Dahua Mobile DVR Series - Bidirectional Talk Port

9
SN
Name
Function
3
RS485
Reserved port
4
GPS
GPS antenna port
Note
Only the device of GPS module supports this function.
5
Wi-Fi 1
Wi-Fi antenna port
Note
Only the device of Wi-Fi module supports this function.
6
Wi-Fi 2
Reserved port.
7
3G/4G
3G/4G antenna port
Note
Only the device of 3G/4G module supports this function.
8
Bidirectional talk input
and output port.
Bidirectional input and output port. Refer to chapter 2.2.2
Bidirectional talk port for detailed information.
9
Bidirectional talk input
and output port 2.
Connect to pickup. Refer to chapter 2.2.3 Peripheral
pickup for detailed information.
10
EXTEND
Extension port. Each port has specified function. Refer to
chapter 2.2.4 Extension port for detailed information.
11
ALARM/CAN/485
 Alarm input/output port. It includes alarm input port,
alarm output port, GND cable and 12V output/
 CAN BUS port: Reserved port. It is to exchange data
with the vehicle CAN network and other devices of
CAN port.
 A,B：Control PTZ.
12
CH1-4
Connect to HDCVI mobile camera or analog mobile
camera.
CH5-8
DC 6V-36V
Power input port
IPC CH1-4
Reserved function. Connect to network camera.
Note
The following contents (chapter 2.2.2 Bidirectional Talk Port to chapter 2.2.4 Extension Port) are
to introduce function of each port. You can make connection cable by yourself or you can contact
your local retailer to purchase.
2.2.2 Bidirectional Talk Port
The bidirectional talk port is shown as in Figure 2-3.